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Mercedes-Benz M-Class repairs by problem area

Engine (36%)

Transmission and Drivetrain (6%)

Brakes and Traction Control (4%)

Suspension and Steering (16%)

Electrical and Air Conditioning (29%)

Paint, Rust, Leaks, Rattles, and Trim (5%)

Other (5%)

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Chart based on 869 repairs.

See TSBs and recalls for the Mercedes-Benz M-Class.

Mercedes-Benz M-Class repair cost distribution

$2500+ (7%)

$1000 - $2499 (17%)

$500 - $999 (20%)

$100 - $499 (26%)

< $100 (30%)

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Chart based on 574 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

See repairs for all Mercedes-Benz M-Class model years.

Mercedes-Benz M-Class in Florida, United States Jun 2018 - Jul 2022
Jun 2018 50000 mi	Tilt wheel stuck in full up position.

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Mercedes-Benz M-Class in Illinois, United States Feb 2022 - Jun 2022
Apr 2022 80000 mi US $900	Replace rear pads and rotore

Mercedes-Benz M-Class in California, United States Oct 2021 - Jan 2022
Dec 2021 71000 mi US $2100	Failed [ignition] coil

Mercedes-Benz M-Class in California, United States - Jul 2022
Jul 2022 53600 mi US $1700	All coils and spark plugs replaced to deal with sensor warning for misfire on #5. Frustrating that there was no reasonable path to debug this one part at a time, because too expensive to get in an out to the coils, unlike on a BMW. This is very young to have such problems. Only going to buy toyota from now on ...

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Mercedes-Benz M-Class in Ontario, Canada May 2016 - Jun 2022
Oct 2016 52140 mi	Left Front cup Warmer/refridgerator "holding device" protruding upwards preventing cover closure. Would not seat in proper location.
Feb 2017 58900 mi	Engine code error. Dealership replaced both NOX sensors. Extended Warranty covered $2400+ repair cost. Fuel consumption dropped from 10.2 to 8.2 l/100 km on everyday driving.
Apr 2018 93620 mi	Engine code. High carbon in cyl. Sensor replaced. Running good

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Mercedes-Benz M-Class in Virginia, United States Nov 2013 - May 2024
Sep 2015 26000 mi	One of the diesel fuel injectors was not working right, so the dealer replaced it. When they tried to update the software in the cars computer system, they messed up and it took another day to straighten that out.
Mar 2018 59000 mi	Headlight bulb was replaced by my Mercedes dealer-- no charge.
Aug 2018 65000 mi	Steering wheel would not adjust upward and downward. Dealer replaced the steering column up/down adjustment mechanism.
Sep 2018 65000 mi	Check engine light came on. Problem was in exhaust system. Dealer replaced both NOX sensors, ADBLUE preheater and pump control system, and M.E. control module. List price for parts replaced alone was $4,324. Fortunately, I had an extended warranty from MBusa, so this cost me nothing but the inconvenience, and the dealer gave me a loaner vehicle for the entire time.
Apr 2021 89000 mi	Brought car in for replacement of parts as part of Mercedes diesel settlement. After parts were replaced, they checked the car and found a bad fuel injector. The injector was then replaced for free under the extended warrantee that was part of the diesel settlement.
Mar 2024 118000 mi US $1200	Oil leak repair
May 2024 120000 mi US $8000	Major work to replace oil cooler and seals and other work on engine to allow the car to be in tip-top condition to allow me to keep the car going for another 50,000 miles.

Mercedes-Benz M-Class in New York, United States Jan 2014 - Sep 2016
Feb 2015 7700 mi	Roof Liner loose. Mechanic removed liner and glued interior sub-roof.

Mercedes-Benz M-Class in New York, United States Mar 2014 - Jun 2022
Nov 2017 40000 mi	Turbo sensor replaced under warranty

Mercedes-Benz M-Class in Texas, United States Jun 2017 - Jun 2022
Feb 2022 102000 mi US $1280	Oil leaks from oil cooler, intercooler hoses

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Mercedes-Benz M-Class in Texas, United States Jul 2015 - Feb 2023
Nov 2017 50000 mi US $350	Front Driver Daytime Running Lamp needed to be replaced after stopped working. One lamp plus labor was almost $400.
Dec 2021 108000 mi US $200	Battery had intermiitent issues with providing enough current to start car. Battery was replaced.
Mar 2022 109000 mi US $645	Battery wasn't holding full charge and was at risk of not having enough cranking amps to start. Replaced to ensure battery was good and that we won't be stranded somewhere.

Mercedes-Benz M-Class in Texas, United States Sep 2016 - Jun 2022
Sep 2016 31000 mi	LED running board lights not working. Easy entry/exit not working. Steering wheel not moving as it should.

Mercedes-Benz M-Class in Texas, United States Mar 2022 - Jun 2022
May 2022 14000 mi	Replaced blown strut. Rear wiper motor.

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Mercedes-Benz M-Class in New York, United States Oct 2013 - Jun 2018
Nov 2013	Loud noise from engine during cold start up for a few minutes. The right and left timing chain tensioners needed to be replaced. Turns out there is a bulletin already existing about this issue. I noted repair successful but I still hear it.
Sep 2014 3000 mi	The fuse for my cigarette needed to be replaced.

Mercedes-Benz M-Class in Minnesota, United States Jun 2014 - Jul 2018
Nov 2014 5000 mi	Pre-safe sensor malfunction
Dec 2014 7000 mi	Power rear hatch had intermittent problems closing. Sensors were replaced.
Jan 2018 41000 mi US $100	Bad injector. Also leaky valve stem on tire

Mercedes-Benz M-Class in Colorado, United States Dec 2013 - Jan 2015
Dec 2014 10000 mi	Car went into "limp-home" mode and was very sluggish. Roadside towed vehicle to dealer. Replaced crankshaft position sensor. Also had 10k mile service performed which was almost due anyway.

Mercedes-Benz M-Class in California, United States Mar 2017 - Jul 2018
Dec 2017 49000 mi US $600	rear brakes worn.
Jan 2018 48000 mi	Door handle had to be replaced. Under warranty
Feb 2018 48700 mi	Worn seatbelt replaced under warranty. Everything that gets daily use wears out inside this car in about 50,000 miles. Otherwise the car drives beautifully, and handles beautifully, and looks really good, too.

Mercedes-Benz M-Class in Maryland, United States Sep 2013 - Jul 2022
Jul 2022 110000 mi	rotors were vibrating when braking at high speed. Warrantee repair

Mercedes-Benz M-Class in Maryland, United States Nov 2014 - Dec 2014
Nov 2014 9000 mi US $20	low coolant

Mercedes-Benz M-Class in Louisiana, United States May 2017 - Jul 2020
Sep 2017 40000 mi	Cylinder 3 missing Ck done , told no problem, poss bad gas Has worked fine since/ they possibly added fuel additive No 3 cyclinder continued missing- took in 4 weeks ago, “car computer “ reset and updated. Prob worsened, took in again(3 rd time) , finally, spark plug 3 cylinders removed, found to be fouled , replaced. So far, ????

Mercedes-Benz M-Class in New York, United States Jun 2014 - Jun 2022
Apr 2017 7500 mi	Check engine light popped up. Took it to the dealer. I was told that a software update was needed. 0.0 cost due to warranty
May 2018 15000 mi	The brake light bulb was out on the driver side. It did take more than 10 minutes, only because they provided complimentary inspection of the vehicle.

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Mercedes-Benz M-Class in California, United States Dec 2013 - Dec 2013
Dec 2013 13000 mi	Strange noise at startup tailgate won't open

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Mercedes-Benz M-Class in Alberta, Canada Oct 2013 - Sep 2015
Jun 2014 8060 mi	Sunroof rattle. Dealer removed headliner and tightened two screws.

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Mercedes-Benz M-Class in Pennsylvania, United States Mar 2017 - Jun 2022
Jan 2018 80000 mi US $500	Fluid change.
Feb 2022 147000 mi US $3000	New water pump hoses thermostat belts pulleys valves and cam shaft gaskets

Mercedes-Benz M-Class in New Jersey, United States Dec 2015 - Sep 2016
Feb 2016 56000 mi	Engine idling low and running roughly after stopping from highway speed.
Sep 2016 61000 mi	Problem with low, rough idle was intermittent and could never be duplicated by the dealer.

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Mercedes-Benz M-Class in Victoria, Australia Dec 2012 - Apr 2017
Jun 2013 7440 mi	Headlight high beam operation faulty
Aug 2013 9540 mi	Headlamp not dipping correctly or going to high beam.
Feb 2015 25420 mi	Oil seal leak

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Mercedes-Benz M-Class in Western Australia, Australia Nov 2013 - Jun 2022
Feb 2016 18600 mi	Squeaks and rattle in the driver's seat.
Jun 2016 21700 mi	Car went into limp mode and car had to be towed in for inspection. No fault found after several days of testing.
Jan 2022 62000 mi A $2500	EGR Valve replaced
May 2022 65100 mi A $1800	Nox Sensors faulty and replaced under goodwill arrangement.

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Mercedes-Benz M-Class in Ontario, Canada Dec 2012 - Jun 2018
Jul 2013 23320 mi	keyless go malfunction quickly got worse not starting once not shut off replace ingnition switch value $1200 length of repair caused sunroof to need resetting on second visit
Mar 2014 39680 mi	Engine light on for preheater in DEF system. Corrected replaced, then needed pressure hose.
Jul 2015 71880 mi	Oil cooler system leak Soot sensor defective serpentine belt broke and pully's worn. Long wait for parts
Dec 2015 85560 mi C $250	Rear Wheel bearing
Jul 2016 97340 mi C $2500	Replace both rear radar sensors for blind spot system
Jan 2017 103540 mi C $2500	2- Oxygen sensors
Sep 2017 120280 mi	Leaking oil again
Jun 2018 140120 mi C $1202	Replace MAF sensor

Mercedes-Benz M-Class in Texas, United States Sep 2015 - Aug 2018
Aug 2018 98000 mi	Bad valve associated with Diesel engine

Mercedes-Benz M-Class in Washington, United States Dec 2012 - Jan 2014
Feb 2013	Would not recognize the key fob

Mercedes-Benz M-Class in Pennsylvania, United States Jan 2013 - Jan 2022
Jan 2016	Check engine code indicated problem with torque converter. Torque converter was replaced under warranty.
Sep 2020 39400 mi US $1300	Bad balking or hesitation at every shift point. Replaced oil cooler seal and resulting Mass Air Flow assembly

Mercedes-Benz M-Class in New York, United States Dec 2015 - May 2017
Apr 2016 43000 mi	LED running board out Engine Light Wiper fluid level sensor Trunk latch
Aug 2016 47000 mi	Sunroof wind deflector became loose. Burnt right side brake light
Sep 2016 48000 mi	Engine Light, bad NOx sensors, both front and back. Replace by dealer
Jan 2017 42500 mi	Air inlet to turbo gasket causing oil leak Moonroof did not close properly. Need cleaning and grease.

Mercedes-Benz M-Class in Florida, United States Feb 2014 - Jun 2018
Jun 2017 40000 mi	Replaced NOx sensors. Replaced soot sensor.

Mercedes-Benz M-Class in Alberta, Canada Sep 2015 - Jun 2017
Feb 2017 39000 mi	The urea tank heater had to be replaced at 62,000 km of which MB paid for half (total bill $1500). Urea tank heaters are not considered part of the fuel system and are often exempted from 3rd party warranty programs....just FYI.

Mercedes-Benz M-Class in New York, United States Apr 2016 - Dec 2017
Dec 2017 94000 mi US $972	EGR replaced

Mercedes-Benz M-Class in Ontario, Canada Nov 2016 - Mar 2017
Dec 2016 39680 mi	Left front wheel bearing replacement

Mercedes-Benz M-Class in Texas, United States Mar 2013 - Sep 2015
Feb 2013 300 mi	Repaired chafed wiring related to the parking brake switch.
Oct 2014 21700 mi	Air bladder in driver's seat bottom inoperative. Seat bottom replaced.
May 2015 29000 mi	Clunking noise in front end, right front strut replaced.
Jul 2015 31800 mi	Steering wheel height adjustment not working. They said it's temporarily fixed, but will re-occur. New part on order.

Mercedes-Benz M-Class in Texas, United States Jun 2013 - Feb 2016
Oct 2014 19500 mi	The AC had a "musty" smell when first turned on.

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Mercedes-Benz M-Class in Florida, United States Apr 2013 - Apr 2015
Nov 2013 14000 mi	Fixed air conditioner
Dec 2014 22000 mi	Passengers seat torn.

Mercedes-Benz M-Class in California, United States Sep 2015 - Jun 2018
Oct 2015 45800 mi	Car would not start, when it eventually did start the engine died immediately. Sent to Mercedes of San Diego, computer software updated.

Mercedes-Benz M-Class in Georgia, United States Feb 2016 - Apr 2017
Mar 2016 18000 mi	replaced computer. Door locks would not work . start button would not work, several electrical items would not work. First dealer could not diagnose. 2nd dealer diagnose and repair in one day
Feb 2017 22000 mi US $1400	Upper front strut mounts worn out, major rattling noise. Dealer diagnosis and refused to repair under warranty at only 22,000 miles. Called MBUSA and no help there. MB sucks and we had repair done at local shop for less than 50% of dealer. Out of warranty by three months. Mercedes after much insisting offered to pay 40%.
Mar 2017 22000 mi	Sensor on emission control.
Apr 2017 22000 mi	Never repaired a rattling in the steering column that had a TSB on it. This MB was totally unreliable and we were afraid to drive it to our Florida winter home as something always went wrong from sensors and it seemed like we always got at least one I warning light each trip.

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Mercedes-Benz M-Class in Virginia, United States Dec 2012 - Dec 2015
Mar 2015 46000 mi	Nav system hard drive failed...replaced under warranty.

Mercedes-Benz M-Class in Maryland, United States Dec 2012 - Apr 2014
May 2013 6000 mi	Rattle/clicking sound in front seat. Seat frame was defective and needed to be replaced. Warranty item.

Mercedes-Benz M-Class in Kentucky, United States Sep 2013 - Jun 2017
Sep 2013 1000 mi	Keyless-GO exterior door handle non-responsive, passenger side
Jul 2014 9500 mi	Windshield washer reservoir sensor did not report empty reservoir. Loose connection fixed.
Jun 2017 40000 mi	Timing chain noise at startup. Known service bulletin

Mercedes-Benz M-Class in California, United States Sep 2015 - Dec 2015
Nov 2015 33400 mi	Leaky front differential

Mercedes-Benz M-Class in Virginia, United States Nov 2013 - Oct 2015
Jan 2014	Updated NAV unit Firmware

Mercedes-Benz M-Class in New Hampshire, United States Dec 2012 - Jun 2018
May 2017 65000 mi US $500	Broken Windshield Wiper arm assembly.Arm synchronizing hardware failed , resulting in broken windshield, as well as the repair of the arm assembly
Sep 2017 72000 mi US $600	Cam shaft sensors

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Mercedes-Benz M-Class in Ontario, Canada Feb 2017 - Mar 2017
Feb 2017 60760 mi C $1400	NOx censors replacement

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Mercedes-Benz M-Class in Texas, United States Jan 2013 - Apr 2013
Apr 2013 17000 mi	Interior door panel creaks, apparently there was a TSB to add felt tape behind the panels (b pillars) which fixed the issue.

Mercedes-Benz M-Class in Pennsylvania, United States Oct 2013 - Oct 2015
Nov 2014 33700 mi	Blown gasket; plus a second transmission oil leak

Mercedes-Benz M-Class in Quebec, Canada Feb 2013 - Mar 2014
Mar 2014 26040 mi	The 2 lighted M-B sign on passenger and driver floor Part of the emission system had to be replace

Mercedes-Benz M-Class in Virginia, United States Jun 2015 - Jul 2015
Jul 2015 60000 mi	Shorted harness resulted in destruction of computer and messed up Adblue system

Mercedes-Benz M-Class in Washington, United States Mar 2012 - Dec 2014
Jan 2013 41300 mi	Total COMMAND system failure. Service technician indicated replacement component would have cost approx $5000 if out of warranty.
Feb 2013 17400 mi	Tailgate actuator failed

Mercedes-Benz M-Class in Washington, United States Nov 2011 - Jun 2022
May 2012 7500 mi	Clamp holding boot came loose and leaked grease on nearby parts. Clamp re-installed and repaired as warranty item. No apparent damage to C-V joint assembly from loss of grease.
Jul 2014 38000 mi	Window seal noise repaired on driver/passenger front doors.
Aug 2014 38500 mi	Seeping Oil pan gasket was replaced under warranty before it developed into significant problem.
May 2016 55000 mi US $350	Replaced rear pads due to wear at customer expense. First change since new. Replaced computer/circuit board for "pre-safe" seatbelt tightening/collision avoidance under warranty (extended).
Feb 2017 63000 mi	DEF heater in DEF tank failed and was replaced.
Jun 2017 66000 mi	Window replacement through insurance. Rock chip.
Jun 2018 66000 mi	02 sensor in exhaust.
Apr 2021 100000 mi	Diesel exhaust system replacement under Mercedes Benz legal settlement
May 2022 110000 mi	Seals to intake, oil cooler replaced.

Mercedes-Benz M-Class in Ohio, United States Nov 2017 - Jun 2022
Jun 2018 56000 mi US $170	Power rear door drive made horrible noises and wouldn't engage to lift the door. Purchased replacement part from dealer and replaced it.
Sep 2021 114850 mi US $450	The dreaded oil cooler seals were leaking. Removed everything from the engine above the block to replace the oil cooler seals. Many consumables replaced on other systems. Also cleaned out a large amount of built up oil soot from the air intake system downstream of the throttle body.

Mercedes-Benz M-Class in Washington, United States Sep 2016 - Jun 2022
Oct 2017 99000 mi US $400	Battery replacement in addition to a standard B3 service
May 2022 103000 mi US $850	Massive water leak that filled up the spare tire space and throughout the chassis (couple of gallons of water from behind each wheel well and boot of suv). Water shorted out the fuel pump control module and the battery required replacing. Not clear where the water leak originated. No evidence inside the vehicle. Drain vents were cleaned and drain plug in rear was removed to ensure flooding would not happen again.

Mercedes-Benz M-Class in Ohio, United States Aug 2015 - Aug 2016
Dec 2015 68000 mi	Turbo seal replaced. Then oil cooler oil leak discovered. Out of warranty but paid $0 (goodwill).
May 2016 69300 mi US $1500	air suspension failed. Dealer had car in twice to complete repair.
Aug 2016 70000 mi US $1800	Oil leak at turbo repaired, leak continued. Ultimately determined the problem was with the intercooler. All told dealer had Mercedes for 3 months on and off. Dealer did complete the repair and covered it under warranty even though I was out of warranty.

Mercedes-Benz M-Class in New York, United States Oct 2014 - Jun 2018
Feb 2016 52100 mi	Oil leak

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Mercedes-Benz M-Class in Alberta, Canada Dec 2015 - Jun 2017
Feb 2016 48100 mi	Leak through top of windshield.
Jan 2017 47900 mi C $800	Main fuel pump replacement

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Mercedes-Benz M-Class in Virginia, United States Dec 2015 - Jun 2022
Dec 2017 49000 mi US $890	Replaced rear brake pads and rotors Driver’s shoulder harness adjustment was not moving out of the lowest position and was successfully repaired by dealer under warranty

Mercedes-Benz M-Class in California, United States Oct 2011 - Dec 2014
Mar 2013 15000 mi	Creaking noise when turning. Wheel bearings repaired on right front.
Jan 2014 22000 mi	Cv Joint repair for the 2nd time

Mercedes-Benz M-Class in New York, United States Oct 2011 - Apr 2013
Oct 2012 10500 mi	Low coolant Warning Came on. Added half an inch of coolant to the reservoir, said common. Seat insert on back of front seat has to be replaced. Ordered.
Apr 2013 15000 mi	Seat material still on order. Pigment loss. Power tailgate would not go up intermittently and get stuck.

Mercedes-Benz M-Class in Florida, United States Oct 2011 - Jun 2017
Jan 2013 13000 mi	Replaced washer pump motor
Sep 2013 17000 mi	Had no turn indicators and no blind spot assist. They replaced the steering wheel module.
Sep 2014 24000 mi	Replaced drivers seat cover. P-Tex was delaminating.
Jun 2015 28000 mi	A/C had a bad smell when started. They needed to install drain plugs so water does not accumulate in the vents.

Mercedes-Benz M-Class in Texas, United States Jan 2012 - Jun 2022
Sep 2015 73000 mi US $604	replace drive shaft rear flex disc - parts $206.25, labor $256.37 Anti-microbial treatment to A/C evaporator due to persistent bad smell - $140.95 - this smell issue seems to affect many MLs, and our service advisor told us MB will try to fix it under warranty only during the first year of ownership.
Apr 2016 86200 mi US $325	replaced suspension links to cure clunking noise replace hub and bearing
Nov 2016 104600 mi US $325	Replaced worn cover on drivers bottom seat. Purchased OEM cover on line, had local trim shop install it.
Nov 2017 133000 mi US $700	Lock on rear tail gate failed, lock replaced, which require disassembly of entire tail gate $600.00 Another attempt to remove bad smell from A/C, still not completely successful $90.00 Another attempt to remove bad smell from A/C, still not completely successful $90.00
Apr 2018 143000 mi US $930	Passenger seat cover worn, MB only sells cover as part of complete lower seat assembly due to airbag weight sensors imbedded in seat so repair was much more expensive than expected. Bought OEM seat assembly on internet from a MB dealer for $830 (local MB dealer wanted MSRP of $1200 for the part only!), had trim shop install for $95. Car computer had to be reset by MB dealer ($260).
Jul 2018 149000 mi US $1200	Replace rear struts due to rough ride with occasional bottoming, also did 4 wheel alignment at same time
Jan 2022 233000 mi US $1875	The original alternator failed after 233,000 miles. Replaced alternator
Mar 2022 236000 mi US $1500	replace right side catalytic converter due to persistent check engine light

Mercedes-Benz M-Class in New Jersey, United States May 2012 - Jun 2015
Dec 2012 5000 mi	Rough idle, occasional stall on cold start.

Mercedes-Benz M-Class in North Carolina, United States Nov 2012 - Dec 2014
Dec 2013 26000 mi	Driver seatcover replacement

Mercedes-Benz M-Class in North Carolina, United States Aug 2014 - Jun 2018
Sep 2015 37000 mi	Creaking noise from front strut. Car sometimes turns on and then shuts off right after pushing the start button. There was a software update to fix.
Feb 2016 39600 mi US $450	Transmission and locks were acting up. A new battery solved the issues.
Mar 2018 60000 mi US $1200	Cable was severed leading to a fuel pressure sensor. First replaced sensor and then found damaged wire. Heat shield under car was responsible.

Mercedes-Benz M-Class in Connecticut, United States Apr 2014 - Feb 2016
Nov 2014 29000 mi	Smart Key failed to start car. Smart Key replaced by dealer under warranty.
Jan 2015 36000 mi	Rattle coming from under passenger seat. Dealer had to disassemble passenger/seat area, and remove a foreign object from the under seat heating ducts.
Jul 2015 34000 mi	Power sunroof does not autoclose to the proper position. Computer reprogrammed, which solved the problem for two weeks. After two weeks, original failure reoccurred. Power sunroof does not autoclose to proper position, failure reoccurred after computer reprogramming. Closed detected position not being stored properly in sunroof motor. Sunroof motor and related sensors replaced.
Feb 2016 37000 mi	Rear Window switch not working. Dealer replaced switch.

Mercedes-Benz M-Class in Massachusetts, United States Feb 2014 - May 2018
Jul 2014 28800 mi	Back up camera lens scratched needed to be replaced
Jan 2015	Rear vent broken, needed to be replaced.
Aug 2016 60000 mi US $400	replaced spark plugs and engine light came on for an emission leak. shop claimed not related but I believe it was and they caused it by not replacing intake resonator seals. had to pay to replace seals.

Mercedes-Benz M-Class in Illinois, United States Dec 2012 - Dec 2015
Apr 2014 6000 mi	Fuses igniting cylinders blown twice. Replaced ignition coils. Fixed after second attempt.

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Mercedes-Benz M-Class in Ontario, Canada Dec 2014 - Jun 2018
Apr 2015 37180 mi C $2000	replace ignition switch
Jan 2016 37580 mi C $500	Radio reporting that it detected theft and is shutting down. Lane assist stop working after the vehicle was used for towing. Two radar sensors were replaced.
Apr 2016 58480 mi C $600	Check engine light went on. Determine that is air intake sensor and that either the sensor is faulty or intake control valve does not function correctly.
Jun 2017 76880 mi C $2700	Lane assist sensors were faulty. Shutdown whole electrical system. Replaced by MBC. Timing chain stretched because tensioner was faulty. replaced
Jan 2018 86800 mi C $5500	need to replace intake sensors and valve that got stuck oil cooler leaked. need to replace seals

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Mercedes-Benz M-Class in Ontario, Canada Mar 2015 - May 2017
Jun 2015 58900 mi	Wiring harness was replaced, found by parking sensor and passenger mirror fault. I noticed this problem during the initial test drive. Only replicated once out of warranty. They paid half after I proved that it was on every service request. Heater on diesel fuel additive tank, and a signal light. Started when leaving dealer after wiring harness repair. Dealer says it's a new issue and a $1,300 part. Not ready for another expensive repair yet.
Dec 2015 68200 mi C $450	Diesel exhaust fluid heater failed, Mercedes paid full cost of part, I paid labour.
Mar 2017 87420 mi C $2500	2 Parking modules from back bumper of truck. Failure causes a Canbus fault from constant failure signals. Truck goes into limp home mode and all dash gauges fail, only 3 gears available, etc, etc.

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Mercedes-Benz M-Class in Arizona, United States Dec 2014 - Apr 2016
Feb 2016 63000 mi US $3000	Oil cooler leak

Mercedes-Benz M-Class in Arkansas, United States Dec 2015 - Dec 2016
Dec 2016 75000 mi US $64	headlamp out

Mercedes-Benz M-Class in New Brunswick, Canada Dec 2011 - Jun 2017
Aug 2011 1984 mi	Replaced front oil seal and serpentine belt that failed due to oil contamination Oil leak from Turbo contaminated serpentine belt causing it to break
Mar 2015 57040 mi	Blind spot warning system inoperative. Both rear sensors replaced
Oct 2015 64660 mi	Check engine light on. Right sensor now bad as well Oil cooler leaking, seals replaced Sensor replaced
Jan 2016 69320 mi	Slow coolant leak. A hose was incorrectly re-installed after an earlier repair.
Feb 2016 70920 mi	Blind spot warning system failed...bad transmitters
Sep 2016 81840 mi	Rattle on startup. Bad timing chain tensioner. Tensioner replaced
Feb 2017 88040 mi	Senders for blind spot warning system failed again
May 2017 89280 mi	CEL on in dash, required NOx sensor and catalytic converter

Mercedes-Benz M-Class in Minnesota, United States Sep 2016 - Jun 2018
Apr 2017 60000 mi US $150	Replace tailgate struts

Mercedes-Benz M-Class in Missouri, United States Oct 2017 - Jun 2022
Dec 2021 160000 mi US $120	timing chain Replaced timing chain

Mercedes-Benz M-Class in United Arab Emirates Dec 2011 - Nov 2012
Jan 2012 3240 mi	Cooling system failed. Entire cooling system was replaced under warranty.
Apr 2012 2060 mi	Knocking noise from suspension. Bushings abnormally worn. Replaced.
Nov 2012 4340 mi	Transmission failed catastrophically. Replaced. Sold the vehicle right after as I got fed up of it.

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Mercedes-Benz M-Class in British Columbia, Canada Dec 2016 - Jun 2018
May 2017 55800 mi C $2000	Airmatic suspension pump gave up. Replaced. Also changed all fluids in the ML at the same time, hence the $2000 bill. Totally worth it.

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Mercedes-Benz M-Class in New Jersey, United States Dec 2013 - Jan 2022
Jan 2013 19000 mi US $1	New Comand Screen
May 2016 65000 mi US $500	Thermostat
Dec 2021 137000 mi US $4000	CV boots, rear brakes, new tires Command System replaced

Mercedes-Benz M-Class in Oklahoma, United States Feb 2017 - Jun 2017
May 2017 68000 mi US $479	Replaced an oxygen sensor and oil change

Mercedes-Benz M-Class in Sweden Jan 2015 - Jun 2017
May 2015 15860 mi	Door lock actuator passenger side was not working

Mercedes-Benz M-Class in Pennsylvania, United States Dec 2014 - Jul 2018
Jan 2015 37300 mi	Thermostat failure
Apr 2015 39200 mi	Blind spot sensor failure
May 2016 55700 mi US $20	Known flaw in ML taillight dsesign - google W164 taillight harness. do not have dealer fix...easy to do but definitely a design flaw
Mar 2017 69000 mi US $150	Blind spot sensor failed for the third time. Unsuccessful repair.
Jun 2017 72000 mi	Infotainment screen has begun to fade and flicker. No repair done as it still works in its crippled state

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Mercedes-Benz M-Class in Victoria, Australia - Apr 2011
Apr 2011 18600 mi	Replace steering angle sensor under warranty

Mercedes-Benz M-Class in Ontario, Canada Mar 2015 - Jun 2015
Mar 2015 58280 mi C $2000	Glow Plugs and Glow Plug module Engine Oil Cooler leaking

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Mercedes-Benz M-Class in New Brunswick, Canada Sep 2015 - Mar 2016
Mar 2016 59520 mi C $179	Worn out seat belt connector relay

Mercedes-Benz M-Class in Tennessee, United States Jan 2014 - Jun 2017
Nov 2014 27700 mi	Passenger side vent not working, dealer replaced parts.

Mercedes-Benz M-Class in Colorado, United States Dec 2013 - Oct 2017
Jul 2014 51700 mi	Steering wheel position sensor - causing intermittent ESP light.
Sep 2017 77000 mi	Replace heater blower motor

Mercedes-Benz M-Class in Illinois, United States Dec 2013 - Jan 2016
May 2014 50000 mi US $1708	Replaced AdBlue Heater Element (Diesel engine) w/ tank. RS Preheater #164-471-11-75

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Mercedes-Benz M-Class in Ontario, Canada Aug 2015 - Oct 2015
Sep 2015 96720 mi	the valves for the air suspension had to be replaced

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Mercedes-Benz M-Class in Alabama, United States Jan 2018 - Oct 2019
Mar 2018 119000 mi US $75	The intake manifold tumble flap actuator lever broke and was replaced with an aftermarket metal piece.

Mercedes-Benz M-Class in Texas, United States Mar 2013 - Jun 2022
Aug 2013 55000 mi	Rear seat belts did not retract properly, and were repaired.
Apr 2015 71300 mi US $600	Ignition switch was malfunctioning and was replaced.
Feb 2016 89100 mi US $850	Actuator for front passenger door electric lock malfunctioned and required replacement. But estimated cost was very high ($850), so decided to live with the problem.
Oct 2016 99000 mi US $20	Well known problem with ML series: brake light design is improperly grounded, causing system to improperly display "bulb out" message. Corrected using repair kit available from Mercedes.
Dec 2021 167000 mi US $500	Replace faulty lift gate lock actuator
May 2022 170000 mi US $2000	Replace water pump

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Mercedes-Benz M-Class in Queensland, Australia Mar 2015 - Jun 2018
Nov 2017 99820 mi A $1500	Key ignition module failed. Car would not start. Mechanical shop replaced ignition module with factory OEM unit which was shipped from Germany and programmed by Mercedes Benz factory to match vehicle keys and ECU immobolizer.

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Mercedes-Benz M-Class in Oklahoma, United States Jul 2014 - Dec 2014
Dec 2014 66000 mi	Rear tailight always gave error indication. Was a wiring issue.

Mercedes-Benz M-Class in Maryland, United States Mar 2014 - Feb 2015
Feb 2014 37000 mi US $1500	Keyless entry driver-side door handles failed and were replaced. Driver heated mirror failed and replaced. Passenger seatbelts won't retract and replaced.
Apr 2014 38300 mi	Keyless Go handles failing

Mercedes-Benz M-Class in Hong Kong, China Dec 2014 - Dec 2015
Sep 2015 28520 mi $5	Rear Hatch cannot open probably! The opening and closing button not working same as the driver door hatch button. Shop told me the computer that control the hatch seems broken! Front Brake sensors broken causing it brake by itself!!! Almost caused me an heart attack!!! Engine making whinning sound end up discovered by shop are the engine pulleys need to be replaced same as the water pump and pulley! Windshielf wiper passenger side broken!!!

Mercedes-Benz M-Class in Indiana, United States - Jul 2013
Jul 2013 53000 mi US $500	Rear Passenger Seatbelt would not retract. Replaced entire seatbelt.

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Mercedes-Benz M-Class in Ontario, Canada Mar 2013 - Aug 2013
Apr 2013 53960 mi C $1200	Major engine job to fix an oil leak, partially covered by warranty.

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Mercedes-Benz M-Class in Brazil May 2016 - May 2021
Apr 2016 70060 mi $100	The tailgate/trunk was not closing. Removed the lock actuator, disassembly one of the mini 12v dc motors inside it and replace it. Now working fine.
Feb 2017 68820 mi $10	CDI Inlet Port Shut off motor making the car going to limp mode. Remove the connector plug and insert a 4.7kohms resistor so the computer thinks it is still connected. Problem solved but MPG raised about 10%.
Jul 2017 72540 mi $300	The tailgate/trunk not closing again. bought a new lock actuator and replace the entire part.
Sep 2017 76880 mi $90	Change shock absorbers

Mercedes-Benz M-Class in Ontario, Canada Jul 2013 - Feb 2016
Apr 2015 86160 mi C $140	LED in rear tail light went out. a complete new assembly was the only answer
Jun 2015 89280 mi	Rear main seal is leaking. Losent a quart in two months.
Jan 2016 81220 mi	Still trying to diagnose the 18 faults. Looks like CDI computer. Replaced the Maf sensors but still hhave the same problem Wiring harness frayed at motor mount Both EKAS sensors defective, shutoff motor defective, EGR faulty and oil cooler seals changed, replaced ad blue tznk heater ( 2nd time in two years)

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Mercedes-Benz M-Class in California, United States Mar 2014 - Jun 2022
Feb 2016 43900 mi US $150	Engine failed to start, it would crank but not start. NO CEL, NO Add Blue lights. Towed to shop, where it started, no error codes were noted. Issues could not be duplicated.
Sep 2016 48000 mi US $480	TPMS system, two of the sensors went out, replaced all four
Nov 2017 62000 mi US $2200	Diesel Exhust Fluid heater replacement.
Dec 2021 103000 mi US $2226	Front Break pads and Rotors with system flush

Mercedes-Benz M-Class in Ontario, Canada Oct 2014 - Oct 2014
Oct 2014 83700 mi	Door locks motors stopped working in 3 of the 4 doors

Mercedes-Benz M-Class in Alberta, Canada Mar 2014 - Mar 2015
Mar 2015 99200 mi	Wheel bearing Door lock replaced

Mercedes-Benz M-Class in South Carolina, United States Mar 2013 - Jun 2013
Apr 2013 27000 mi	water leaked into the rearseat area of the car where computer piece got wet. Cars rear lights stayed on, front lights flashed continiously

Mercedes-Benz M-Class in California, United States Mar 2010 - Dec 2016
Dec 2010 25010 mi US $1426	Windshield replacement due to crack caused by passing truck $1,426.25; mostly paid by my insurance.
Jan 2011 32477 mi	Previous repair (right front bearing) didn't fix problem; replaced left strut assembly Previous repair (right front bearing) didn't fix problem; replaced left strut assembly; replaced buttons at steering wheel due to squeaky noise.
Apr 2011 27670 mi	Replaced right front bearing N/C;That took several attempts to fix until the correct item was determined. This would have been a really expensive repair for the owner if this would not have been covered by warranty.
Jan 2012 32620 mi	lubricated squeaky shift paddles on steering column
Apr 2012 35866 mi	NOx sensor replaced under warranty for the first time; regular cost including air cleaner turbo seal would have been $1,350.92.
Sep 2012 42541 mi	Left rear central door lock inoperabel fixed under warranty; door lock assembly replaced; regular cost after 15% courtesy discount for 2nd repair of another door later was $834.
May 2013 50843 mi	Auxiliary heater of AdBlue (Urea) tank diagnosed as defective; MBUSA claimed not covered under emissions control warranty though it would not have passed SMOG test. Dealer paid ~$2,200.- from a slush fund.
Sep 2013 53277 mi US $834	Right front door lock defective latch assembly; the 2nd on this car; first one fixed under warrant. MBUSA refused to cover anything as warranty had run out; dealer gave 15% discount - cost to me $834.
Jul 2014 60028 mi US $1351	NOx sensor replaced for 2nd time; also EGR Temperatur Sensor and air cleaner turbo seal replaced. $1,350.92
Sep 2014 56633 mi	NOx sensor replaced on April 5th, 2012 had shaken loose. Dealer fixed free of charge as it was their responsibility.
Oct 2014 66241 mi US $1676	Turbocharger Intake Shut-off Motor was defective; no spare parts in USA available; had to be imported from Germany. $1,675.89
Mar 2015 69000 mi US $504	paid for Bad Glow Plug Control Module. In addition dealer fixed free of charge Turbo Pipe Gree O-Ring seal & V-ribbed belt. Engine oil leak and damage to belt caused by previous repair.
Sep 2015 75000 mi	Temperature sensor upstream of turbo defective and replaced; $516.06 plus sales tax Replaced 3 engine mounts due to leaks; $1,778.38 plus sales tax
Oct 2015 75500 mi	Vehicle lost power and went into limp home mode on freeway. Had to dive on emergency strip and reboot car at turnout. Car caused no other trouble. No error codes showed up when dealer tested; no charge.
Mar 2016 81000 mi US $5384	2 collapsed air suspension front struts and defective air compressor; all replaced; slow leak on right strut caused left strut & compressor to fail. Tire wear due to consequent bad wheel alignment required 4 new tires not incl. in cost above Turbo inlet pipe seals replaced $186.01 plus sales tax Transfer case input shaft seal replaced and oil replenished $807.84 plus sales tax Backup camera & module finally replaced after years of haggling. Intermittent outages usually when humid or rainy; eat. cost $2,400. Yes, you read that right. MBUSA and dealer paid as problem 1st appeared during warranty period.

Mercedes-Benz M-Class in California, United States Mar 2013 - Jul 2013
Jul 2013 60000 mi	Oil cooler seals leaking. Fixed under goodwill warranty work otherwise it would have cost $2200

Mercedes-Benz M-Class in Iowa, United States Jul 2013 - Mar 2014
Dec 2013 72000 mi	Oil seal

Mercedes-Benz M-Class in Maryland, United States Mar 2014 - Jul 2014
Jul 2014 90000 mi US $1800	Diesel Emission Fluid tank heater

Mercedes-Benz M-Class in Maryland, United States Apr 2017 - Jun 2018
Jul 2017 30000 mi US $500	Blower motor had some issue

Mercedes-Benz M-Class in Connecticut, United States - Jan 2009
Jan 2009	Has about 14,000 miles. Back to dealer once to fix numerous small things: rear windshield wiper motor, right rear power window switch, rear seat belt retractor. What has been a nagging problem is the pollution control system. Has been back 4 times.

Mercedes-Benz M-Class in Ontario, Canada Jul 2015 - Mar 2016
Aug 2015 82460 mi C $2100	Check engine light came on, emission problem diagnosed. 2nd time adblue heater needed replacement

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Mercedes-Benz M-Class in Wisconsin, United States Jan 2019 - Jan 2022
Apr 2019 120000 mi US $2300	Rear air shocks
Jan 2022 143000 mi US $2000	Front air shocks

Mercedes-Benz M-Class in Washington, United States Mar 2018 - Jun 2022
May 2018 86000 mi US $50	whining noise coming from power steering pump... replace reservoir
Sep 2019 86000 mi US $200	battery wouldn't hold charge

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Mercedes-Benz M-Class in Costa Rica May 2013 - Feb 2017
Feb 2014 43400 mi $2800	Rear air springs replaced. Rear turn light led Passanger and driver lock doors were not working.
Jun 2014 47120 mi $500	Steering pump didn't work. Replaced for a new one.
Jan 2015 $2100	Door attenuator didnt work
Mar 2016 65720 mi $1000	Some parts replaced

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Mercedes-Benz M-Class in Washington, United States Aug 2013 - Jun 2022
Nov 2013 49900 mi US $19	Leakage in power steering fluid reservoir Broken clip related to trunk cover.
Feb 2014 51000 mi	Replaced thermostat.
May 2014 54300 mi	Replacing clips for tailgate interior panel.
Sep 2014 60000 mi	Tailgate issue. Occasionally would not latch. Replaced latch.
Dec 2014 61000 mi US $500	Ignition coil.
Nov 2017 116000 mi US $800	Power steering pump replaced

Mercedes-Benz M-Class in California, United States Jul 2013 - Jan 2017
Jan 2014 67800 mi US $670	Rear right turnsignal LED array was burnt out. Part is integrated into taillight, requiring full tailight to be replaced
Oct 2014 80500 mi US $60	LCD screen started to develop lines and lose color, eventually become illegable.

Mercedes-Benz M-Class in Illinois, United States Dec 2017 - Dec 2021
Mar 2018 44000 mi	Possible defective thermostat
Jun 2018 45000 mi US $100	door lock not functioning

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Mercedes-Benz M-Class in California, United States May 2016 - May 2017
Sep 2016 114000 mi US $50	brake lights went several times in two months. Mercedes wants to sell you an expensive new unit. You need to find a mechanic who can clean the connection between socket and light. Mine got done for $50.

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Mercedes-Benz M-Class in New York, United States Mar 2013 - Sep 2015
Aug 2013 69000 mi	AC temp senors needed replacing
Sep 2014 85000 mi	AC not working consistently
Apr 2015 92500 mi US $1300	Water pump seal and bearings
Sep 2015 100000 mi	Ac would stop working intermittently in very hot weather

Mercedes-Benz M-Class in Pennsylvania, United States Mar 2013 - Sep 2014
Jun 2013 42000 mi	DVD draining battery
Jul 2014 50000 mi	DVD was draining battery. Was not defective, just installed wrong when original DVD failed and was replaced by the dealer.

Mercedes-Benz M-Class in Quebec, Canada Mar 2017 - Mar 2018
Jan 2018 83700 mi C $650	wiper arms system

Mercedes-Benz M-Class in Colorado, United States Mar 2013 - Jun 2022
Mar 2014 37000 mi US $836	ignition would not sense the key fob. ignition starter switch was replaced.
Aug 2017 52000 mi US $900	thermostat needed replacing
Sep 2017 53000 mi US $1400	Both lock actuators on front doors needed replacing

Mercedes-Benz M-Class in Missouri, United States Sep 2015 - Jan 2016
Jan 2016 US $320	Thermostat.

Mercedes-Benz M-Class in New York, United States Jun 2013 - Jun 2022
Aug 2013 17900 mi US $650	Basic oil & filter stop, brake calipers replaced, multi-point check & service recall. We wanted the truck checked from top to bottom. Great experience!
Feb 2015 23000 mi	Auxillary battery replaced under warranty. We were alerted by a dash indicator. Mercedes also told us that the main, original battery would also need replacement soon, including resets, at a cost of $400 or so.
Apr 2016 31000 mi	Ignition switch failed intermittently; we'd get a readout that key doesn't match the car. Then we'd turn it off, try it again, and eventually it would work. We got a loaner, told them no rush, and repair was warranty covered.
Sep 2016 32000 mi	One of the headlight bulbs went out. Dealer replaced it for free as a courtesy.
Feb 2017 35000 mi	CD deck won't eject discs, makes clicking noises for a few minutes on startup, needs replacement. New is expensive so getting a refurb from SoCal Mercedes, will replace myself. Radio works so no hurry. They replaced a headlight bulb for free
Aug 2017 37244 mi US $839	I installed a recon nav/audio but no way to unlock "anti-theft (AT) warning message." Neither dealer, Socal parts or YouTube told me to expect this. Dealer removes unit, obtains pin from their MB internal network, performs start-up to unlock AT, plus software update and coding! Pathetic. This cost $215. With headlight bulb, inspection, and "B service" total was $839. N/C to "renormalize" the operation of all windows since one of the rears was slow.
Nov 2017 38000 mi US $380	Right rear tire replaced. Could not be repaired with a plug so new tire fitted - road hazard warranty for the Continenals purchased 15K miles ago no longer in effect. Slow leak, onboard computer alerted us, dealer found a nail went through the inside sidewall.
May 2018 38802 mi US $325	Warning light showed one of the stop light bulbs had failed. Dealer found contacts burnt, with the other side near failure. Installed "stop light socket updates" and two new bulbs. Labor was 235 and parts were 64.
Jun 2018 42500 mi US $322	Left rear tire replaced, had been losing pressure for several months, so I just kept refilling it.
Jan 2019 47291 mi US $1420	Battery dead, jumped vehicle to get to dealer, replaced battery; Blower motor replaced (it kept running, drain for fresh air intake box clogged malice Front parking lamp bulb replaced.
Aug 2019 52073 mi US $667	"B" service + inspection.
Aug 2020 57590 mi US $3997	Driver's side window switch panel replaced; "1 year/10K Service" performed; Replace spark plugs; Replace front & rear brakes/rotors; Replace rear springs (one was cracked, was told we had to do both malice Replace all wiper blades; Inspection.

Mercedes-Benz M-Class in Nebraska, United States Apr 2014 - Dec 2014
Jun 2014 47000 mi US $375	Serpentine belt was worn and squealing intermittently Rear seatbelts would not completely retract. MB offered goodwill warranty for labor costs.

Mercedes-Benz M-Class in New York, United States Mar 2013 - Jul 2018
Feb 2015 64100 mi US $250	Replace thermostat.
Aug 2016 80000 mi US $300	Replaced Coil Springs
Jun 2018 100000 mi US $350	Replaced camshaft sensor magnets to solve P016 problem, but to no avail. Likely causes either: Balance Shaft, Camshaft Adjusters, or Timing Chain.

Mercedes-Benz M-Class in Ontario, Canada Feb 2013 - Feb 2013
Feb 2013 77500 mi	thermostat failed thermostat failed

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Mercedes-Benz M-Class in Ontario, Canada - Dec 2009
Dec 2009 16740 mi	Third brake light replaced. Few LED bulbs stopped working. Replacement under warranty.

Mercedes-Benz M-Class in Ontario, Canada Mar 2012 - Jun 2022
Apr 2012 24480 mi	Front end shake when driving >100 kph. Dealership balanced all 4 wheels. Mechanic could not test drive at highway speeds due to excessive traffic. Owner still found shake at highway speeds. Return trip planned.
Jun 2013 63240 mi C $850	Rear tailgate would not open electrically only manually. Replaced latch and lever mechanism + 2.5 hrs labour.
Jul 2013 65340 mi C $950	rear door hatch would not open. Dealership replaced solenoid under warranty and charged for new latch and arm to inflate customer cost, $825. Engine trouble light. Code stated fuel cutoff solenoid defective / required replacement. Reset it, $125. Factory Warranty not honoured by dealership. Found dealership double dipping on warranty. Charging warranty and customer for same repairs.
Oct 2013 72900 mi C $455	Fuel cut off solenoid engine error. No output voltage. Solenoid replaced.
May 2014 93620 mi	Slipping when shifting 1-2, 2-3 Shudder when shifting 3-4, 5-6 Shudder when shifting 1-2. New transmission installed, rebuilt torque converter.
Jun 2014 94240 mi	Vehicle came back from trani repair. AC not working. Dealer did leak test and claims corrosion on AC lines resulted in leak. Replace lines, dryer, receiver and recharge. Under warranty. Repaired.
Feb 2016 133700 mi C $3150	Fuel Pump died on trip to Florida. vehicle towed to Jacksonville dealership and repaired. New pump in gas tank, filters, hose. Left dealership and discovered nav, sat & radio not working. Returned to dealership. Improperly flashed computer.
Dec 2016 158100 mi C $368	Rear Door Sw lockout stuck. Could not open rear windows using rear door switches. Replaced Driver side entire door/window/lock switch.
Feb 2017 161200 mi C $1035	Drivers door would not lock by using remote. Mechanically closed by reaching from rear door, pushing down, then closing rear door and using remote to lock other doors and alarming vehicle. Door switch replaced. Door locks.
Sep 2017 173600 mi C $380	Antifreeze leak from small hose located adjacent to lower rad hose. Small hose rubbing against lower rad hose and worn through. No part in warehouse. No aftermarket hose available. Found one hose in Ohio dealership. Shipping delay resulted in vehicle in shop > 1week.
Apr 2018 192820 mi C $280	Engine error code. Replaced 3 cylinder sensor
Jun 2021 253580 mi C $850	Oil Cooler Leak. Replaced gaskets and oil cooler
May 2022 274040 mi	Diesel Emissions recall. Replacement of multip[le sensors, computer programming etc

Mercedes-Benz M-Class in Alberta, Canada Aug 2010 - Jul 2015
Nov 2011 46060 mi	Power steering pump failed intermittingly while on a 2500kms. trip, very unsafe situation.
Feb 2012 49680 mi	Steering shaft coupler to power steering gear seized completely when turning. Very dangerous and a recall is needed as this is common.
Apr 2014 66120 mi C $460	Replaced auxiliary battery

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Mercedes-Benz M-Class in Ontario, Canada Sep 2011 - Mar 2018
May 2012 37020 mi	rear hatch latch replaced
Feb 2015 73780 mi	replace engine oil cooler gasket
Jun 2015 79360 mi C $700	Drivers signal light not working. Tail light seals leaking & replaced. Electrical control module replaced due to moisture damage.
Sep 2016 96720 mi C $380	replace rear driver tail light assembly replace transmission pan, gaskets, oil and filter. pan was rusted so did routine service at same time
Oct 2016 99820 mi C $2000	replace crankcase vent valve assembly replace intake servo motor replace upper radiator hose
Jan 2017 43700 mi C $600	replaced leaking fuel filter loss of power / check engine light on faulty differential pressure sensor
Dec 2017 118420 mi C $1100	replaced pads & rotors

Mercedes-Benz M-Class in Texas, United States Nov 2014 - Jan 2015
Jan 2015 US $1200	faulty oil level sensor Electronic key failure

Mercedes-Benz M-Class in Ontario, Canada Mar 2012 - Mar 2013
Mar 2013 85560 mi	Engine leaked 1L per week from rear main seal. 5k in repairs

Mercedes-Benz M-Class in Minnesota, United States Jul 2013 - Jul 2022
Aug 2013 51700 mi US $825	Check engine light (CEL)earlier for Temp sensors in emissions, shop cleaned contacts, but CEL returned 2 days later. Since shop could not replicate problem,replaced 2 temp sensors that seemed to be failing, but only on an intermittent basis Aug = a bad month for my "CEL" Sensors! Back again in just 2 weeks for another CEL & Glow Plug warning light briefly illuminating at each startup. Glow plug relay switch was replaced, no issue with plugs. Part was $180, rest was labor/tax
Jun 2015 73000 mi US $15	The plastic lever for making manual lumbar adjustments on driver's side broke off, with normal use after 8 years.
Feb 2016 83000 mi US $300	Check engine light on. Defective DPF pressure differential sensor.
Sep 2017 96000 mi US $275	10 year old xenon low beam headlight burned out. Expensive since it is xenon gas bulb, vs traditional bulb or newer LED
Dec 2021 136000 mi US $300	entire rear tail lamp assembly needed replaced as electrial connectors were corroded and unable to be cleaned
Jul 2022 141000 mi US $1200	Rear shocks replaced, leaking. Original equipment about 14 years old.

Mercedes-Benz M-Class in Minnesota, United States Oct 2013 - Mar 2017
Dec 2013 102000 mi US $600	Changed oil, severe corrosion on battery,bad tires witch I bought there. Would not honor warrantee on their own website. Very very poor service . Did not know how to fix battery.

Mercedes-Benz M-Class in Ontario, Canada May 2011 - Sep 2014
Sep 2013 63240 mi	did not cool I do not know what parts changed

Mercedes-Benz M-Class in South Carolina, United States Nov 2012 - Dec 2015
May 2013 60000 mi US $1000	Rack and Pinion Oil Leak - $2100.00 (Warranty). Oil Cooler Seals - $1,100 (warranty). Engine Belt - $300 (out of pocket). Tail Lamp Wire Harness - $200 (warranty) Air Mass Sensor - $610 (out of pocket).

Mercedes-Benz M-Class in Texas, United States Sep 2012 - Jan 2013
Oct 2012 62000 mi US $400	Leaky air intake into turbo. Oil leakage at first diagnosed as main seal. Leaky fuel tank seal. Diesel would spill out of tank after filling. Fan belt replaced and Service A performed.
Dec 2012 66000 mi US $400	MB of Boerne cleared CEL first time indicating it was gas cap lid. Second time stated it was glow plug causing CEL. $~800 to replace. Replaced all six myself, still CEL. Replaced plug controler myself, fixed. Cleared CEL, saved ~$400. Losers

Mercedes-Benz M-Class in California, United States Jan 2021 - Jun 2022
Feb 2021 80000 mi US $800	Rear brakes
Jun 2022 87000 mi US $400	Confusing app

Mercedes-Benz M-Class in Pennsylvania, United States Dec 2016 - Jan 2018
Oct 2017 141000 mi US $1000	Took week to get $800 shifting part from Germany re steering wheel. Quoted 3000 for diesel particulate filter replace and 1000 to fix fuel gauge. Skipped both but got 200 fuel cleaner injection . Still has delayed shift but check eng light went out after a week.

Mercedes-Benz M-Class in Maine, United States Aug 2010 - Mar 2015
Sep 2010 22000 mi	wheel sensor replaced.
Jul 2014 58300 mi	rear main seal and turbo seal replaced, apparently common the service manager said
Mar 2015 63000 mi	Great vehicle with excellent mileage, comfort and safety. Only negative is the pitiful gaskets used in various places in the engine. Several were replaced at no charge due to extended warranty(expensive).

Mercedes-Benz M-Class in Utah, United States Aug 2010 - Mar 2012
Oct 2010 33000 mi	Left rear seat cushion doesn't fold forward. Bad latch.
Nov 2010 35000 mi	Replaced left rear seat cushion latch mechanism.
Mar 2011 40000 mi	Driver side outside mirror inop, tech found wire had come unplugged. Re-plugged wire and voila', it works again.
Nov 2011 50000 mi	Squeak from rear suspension. Bad ball joints. Replaced but had to keep car overnight. Dealer provided loaner.

Mercedes-Benz M-Class in Oregon, United States Jan 2014 - Sep 2014
Feb 2014 84000 mi	It appears that the shocks are shot. Will come back for in-depth inspection. Tire sensor appears to be out. Tire pressure is correct.
Mar 2014 84000 mi US $1400	Replaced both front struts. Left one was blown. Replaced cabin filter. Aligned. Changed oil (synthetic). Fixed tire sensors.
Aug 2014 94000 mi US $12	Very minor: oil cap has a rubber seal that apparently cracked in the heat and permitted oil to escape up through the cap. Was losing oil at about 1 qt per 300 miles.
Sep 2014 94000 mi	Not sure if this was a problem or just a software adjustment needed. There was a shudder as it accelerated - medium pressure - away from a stop. Appeared to be growing. Didn't notice it when it was purchased. Only had vehicle for 6000 mi

Mercedes-Benz M-Class in Maryland, United States Jul 2011 - Sep 2013
Aug 2011 69000 mi US $1470	Intake runner flap motor and related parts. Car was in Limp mode and shifting badly because of that.
Sep 2011 70000 mi US $800	Fuel pump relay, Car would not start randomly, twice in one month. No fuel pressure. Started after 15 mins. Changed fuel pump relay in position K in rear fuse box. No prob in last 24hrs. Hope that was it. Update: problem returned Replaced fuel pump car now starts and runs fine after 2 weeks, problem is gone. The new pump is an updated version that is self cooling. I believe the original pump generated excessive heat when the fuel level got low.

Mercedes-Benz M-Class in Ontario, Canada - Apr 2008
Apr 2008 7440 mi	Warranty - Replaced driver's side mirror electric motor - was making small noise

Mercedes-Benz M-Class in Alberta, Canada Nov 2014 - Dec 2017
Jan 2016 84760 mi C $243	AC cuts out at times for no reason and come back on later. For this repair visit, a 'CDI and Aircon firmware update was performed but this did not fix the problem. This problem is still present.
Feb 2016 95220 mi C $122	Right front wheel bearing was noisy. Replaced bearing with new bearing. Part cost $121.70.
Dec 2016 105245 mi C $101	Replace the Pressure Differential Sensor on the emissions system. The removed part (old part) had a build-up of condensate inside. Not sure if the condensate was the cause of the part malfunction, but the replacing the part fixed the problem of the vehicle going into limp mode when temperatures dropped below -5 degrees Celsius. The whole job took 20 minutes to complete. The vehicle has not experienced the same problem since the part replacement.
Aug 2017 112271 mi C $243	Examine the air-con system for faults because of intermittent functioning. Refrigerant pressure check - found to be within correct range; Run test with DAS and charger - component A9 A/C compressor has short circuit; Check AAC control unit - OK; Check compressor electrical plug/connector - OK; Check suction fan - OK. Mechanic recommendation is for the A/C compressor to be replaced (quote $2 000.00) to fix the problem. The air-con compressor was not replaced and the problem still exists. The plan is to have the compressor replaced next spring.

Mercedes-Benz M-Class in Louisiana, United States Feb 2015 - Dec 2018
Feb 2016 87900 mi US $900	Faulty glow plug
May 2016 89600 mi US $550	Trunk latch failed

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Mercedes-Benz M-Class in Manitoba, Canada Mar 2012 - Jun 2022
Apr 2012 40700 mi	when you do aggressive turns, it makes a squeaking sound. It sounded like an "American" car. Nasty. The headlights were positioned wrong. At highways speeds, the headlights had a "dark zone" right in the middle. Very dangerous when driving in the dark, as your visibility was only limited to 5 metres ( at dead center). With the car "off", you can hear a low buzz noise from the computer/ main console. It wouldn't shut off. They replaced the computer/ console.
May 2013 50840 mi C $200	Spontaneous blow out of the back windshield while parked in the garage. The glass blew out a 4 foot radius in the back of the ML550 in the garage. Auto insurance will pay after my $200 deductible. Not a happy camper !!!
Dec 2014 57660 mi C $4400	Mercedes infamous piss poor air suspension blew apart and took out the shocks (rear). An inherent design problem that Mercedes refuses to recognize. In 3 yrs,spent more money on the Benz than i have spent on ALL 5 of my vehicles. YES, all 5.
Aug 2016 65720 mi C $4500	balance tires, adjust computer for acceleration Rear hatch does not close because a bolt snapped off the hinge. There's still one bolt barely holding the hinge. They need to cut/ drill out the existing bolt and reposition the hinge and new bolts placed in. This was a cost of $308 cdn before taxes. seat belt not rewinding, would be $712 cdn before taxes. passenger back seat stuck adjust shocks-rough ride oil leak interior fan filter replaced front wheel bearing replaced, brakes replaced
Jun 2018 88040 mi C $5500	needed new rear shocks, oil filter seal leakage, front driver side light - full unit replaced as it leaked and sustained water damage.

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Mercedes-Benz M-Class in Georgia, United States Apr 2014 - Jun 2022
Jun 2014 46000 mi	Repeated intermittent failure of left rear brake light. Wiring connection was melted. Entire component wiring harness replaced. Under warranty.
Jan 2016	Fuel pump making noise. Replaced as a precaution. Three weeks later, odor of gasoline in vehicle. Returned to shop for diagnosis and repair. Still with shop.
Apr 2017 79000 mi US $766	repaired small oil leak @ rear of engine (parts #'s: 272-010-06-31 / 000-998-65-90 / 000-998-56-90)
Jan 2018 83000 mi US $2300	Replaced worn lower control arms (left & right).

Mercedes-Benz M-Class in Kansas, United States Dec 2013 - Nov 2017
Aug 2014 66000 mi US $700	Rear spring broke, replaced both,4hrs of labor. took 2 days for replacement springs to arrive from discount part broker.
May 2016 80000 mi US $300	Access pulley and belt was close to failing

Mercedes-Benz M-Class in California, United States May 2012 - Jun 2012
Jun 2012 31000 mi	Rumbling/loud noise from the suspension when driving on rough roads (asphalt with cracks or bad surface). Dealership blamed the tires, tires were changed and did not fix the issue. After that they claimed it to be normal.

Mercedes-Benz M-Class in South Carolina, United States Sep 2010 - Aug 2011
Nov 2010 21000 mi	loud noise from power steering system. belt actuator replaced.

Mercedes-Benz M-Class in Taiwan Mar 2011 - Oct 2014
Mar 2012 12400 mi	Parktronic Sensor failed. Another Parktronic Sensor failed.
Jun 2012 13020 mi $250	Another 2 parking sensors failed (PTS). One in front and another in rear.
Sep 2013 16120 mi $550	Coolant leaking from Water pump. New water pump replaced.
Oct 2013 16220 mi	ESP malfunction. Replaced steering wheel angle sensor.
Mar 2014 17112 mi $100	Engine checked and replaced a new solenoid. Engine Check, replaced a new solenoid.
Sep 2014 18600 mi $400	Fuel pump failure. Replaced new fuel pump.

Mercedes-Benz M-Class in California, United States Dec 2010 - Nov 2016
Jan 2011 31000 mi	Cam seal oil leak repaired. new seal installed
May 2014 51300 mi	Strut was leaking and replaced

Mercedes-Benz M-Class in New York, United States Aug 2010 - Jan 2011
Oct 2010 62000 mi	Ball joint
Dec 2010 68000 mi US $125	Oil cover for cams leaked oil.

Mercedes-Benz M-Class in Maryland, United States May 2013 - Jun 2018
Jul 2015 90000 mi US $62	replaced tailight wiring harness
Nov 2015 100700 mi US $175	Wiper fuses. I think relays and other electronic parts and tracing thereof were also necessary.
Jan 2018 120005 mi US $250	thermostat

Mercedes-Benz M-Class in California, United States Mar 2011 - Aug 2021
Dec 2014 83000 mi US $1000	leaking gasket New front tires Oil change engine air filter
Aug 2016 111000 mi	Rear brake light was reporting an error on the dashboard monitor although the brake light was working properly. Independent dealer "tweaked" the wires in the harness and fixed the problem for no charge.
Feb 2017 120000 mi US $120	Replaced rear brake light assembly and wiring harness

Mercedes-Benz M-Class in California, United States Feb 2011 - Mar 2015
May 2012 80700 mi US $100	Rear hatch latch replaced
Oct 2012 84800 mi US $600	Front passenger side ride adjustment
Jul 2013 98300 mi US $100	Fan belt broke

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Mercedes-Benz M-Class in Ontario, Canada May 2010 - Jun 2011
Jun 2010 33480 mi	oil leak from engene

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Mercedes-Benz M-Class in Ontario, Canada Dec 2009 - Mar 2012
Jan 2010 99200 mi C $470	Rear light corrosion between bulb holder and light housing. Emission valve sticking resulting in oil leak near top rear of engine.
Mar 2010 99200 mi C $30	Park light burnt out. Corrosion / electrical arcing of rear light bulbs. Cleaned corrosion. Replaced 3 bulbs
Aug 2010 110980 mi C $3480	loss of power / limp home mode. injector control module replaced. Glow plugs replaced. Full set three times Glow plug controller replaced twice
Oct 2010 117800 mi	Engine light / glow plugs burnt out. Oil & Filter change Right front headlight burnt out. Engine light back on 2 days after previous repair. Codes indicate glow plugs defective. All plugs replaced again. Engine light back on 1 day after previous repair. Called garage. They set up Bosch service rep. Controller and glowplugs not matched due to error in Bosch catalogue. Wrong glow plugs used. Garage used NGK glow plugs. No more problems
Jul 2011 143800 mi C $848	Left front wheel bearing started to howl. Had to replace ABS sensor on same wheel due to rust preventing removal of sensor
Jan 2012 124000 mi C $570	1. Error code- Particulate filter and sensor replaced. 2. New battery. 90% charge, but cold starting became an issue. Starter spun slower then normal and didn't want any issues.

Mercedes-Benz M-Class in Oregon, United States Dec 2010 - Jun 2018
Jan 2011 81000 mi US $450	EGR hose plugged
Mar 2018 142000 mi US $2000	auto lights

Mercedes-Benz M-Class in Oregon, United States Apr 2011 - Aug 2012
Jul 2011 40500 mi	Oil leak started. Question of whether it was oil, gaskets, or the turbo. It was a gasket leak and was successfully repaired at dealer cost. Luxe Auto actually called after the sale to request for the car to be repaired on their dime.
Apr 2012 53000 mi US $180	engine died; after several restarts, went into limp mode. fuel filter replacement only.
Aug 2012 58000 mi	Brief fade of brakes at a stop. Pedal seems to be less stiff if held for a few mins. Mechanic thought it could be the master cylinder, but couldn't pin it down. A mechanical feature won't allow the brakes to disappear completely.

Mercedes-Benz M-Class in Missouri, United States Sep 2009 - Dec 2016
Mar 2010 48000 mi	Replace passenger seat frame. Bracket/bolt broken. Engine had poor throttle response. Upon test drive, they acknowledge that throttle response is slow, but upon checking with factory, they said that it is the design of the engine.
Aug 2010 51000 mi US $380	Replaced alternator. The slip rings on the Valeo alternator were completely worn out. Got new alternator from electrical shop. Car was 2000 miles out of warranty. Dealer would not extend warranty.Did work myself in 1/2 day. $380.

Mercedes-Benz M-Class in Texas, United States Jul 2010 - Jun 2011
May 2011 70000 mi US $295	left rear motor burned out as a result of front SAM failing. Have not replaced SAM yet, $1500.00 proposition.

Mercedes-Benz M-Class in Virginia, United States Nov 2009 - Apr 2010
Mar 2010 77000 mi US $1800	Seatbelt module

Mercedes-Benz M-Class in Maryland, United States Sep 2009 - Jan 2012
Mar 2010 72000 mi	Oil leak at turbo, this is the second time for a leak in that area. Earlier leak at about 50,000.
Dec 2010 95000 mi	Oily fluid dripping under car. Coming from bad seal between turbo and intake plenum. Seal replaced by dealer.
Jun 2011 100000 mi	Car went in to limp mode. No power. Check Engine Light. Dealer found short in wiring and problems with turbo control.
Jul 2011 100000 mi US $177	Check engine light came on and car lost power. Restarted and appeared normal. light went off after four cycles of ignition. Diagnostics showed a fuel problem that cleared. Reflashed computer improved performance and fuel economy.

Mercedes-Benz M-Class in Arizona, United States Sep 2013 - Jun 2018
Sep 2014 105000 mi US $3	Limp home mode with no ability to go over 3k RPM. Turbo inlet port motor shorted. Fuses blown with no gases going to turbo.
Jun 2016 127000 mi US $6050	Transfer case broken tensioner
Sep 2016 132000 mi US $250	Rear SAM unit got wet from unknown source

Mercedes-Benz M-Class in Alberta, Canada Sep 2009 - Nov 2011
Dec 2010 74400 mi C $900	Gear shift stuck Emissions controls issues Electrical issue with lights park and brakes. Caused by corrosion. They had a retro fit kit that was like $275 bucks per light if I recall; they ended up covering mine under the extended warranty, but put up a fight.
Mar 2011 79980 mi	Navigation was going on and off, resetting and stuff; they needed to replace the "glow plug" behind the nav that keeps it warm, that solved the problem.
Jun 2011 81220 mi	They wanted $900 to replace the battery. I've never had a battery fail after just five years, decided to have another shop look at it. Found that the cable was just loose.

Mercedes-Benz M-Class in Colorado, United States Sep 2009 - May 2011
Sep 2010 32000 mi	Coolant overflow tank cracked, causing low coolant warning light to come on periodically.

Mercedes-Benz M-Class in Ontario, Canada Nov 2009 - May 2014
Sep 2010 50220 mi C $600	Air suspension failure, replaced one rear air shock.
Dec 2010 55800 mi C $900	Tailgate right upper hinge - one of two bolts sheared. Had to be drilled out, retapped, and replaced.
Jan 2011	Replaced right taillight assembly.
Jun 2013 98580 mi C $1200	Rear airmatic shock blew out, making the car unsafe to drive. Fourth (or fifth) shock blown in six years. Makes car unreliable if away from an urban centre. Traded car in after this since warranty was expiring.

Mercedes-Benz M-Class in Massachusetts, United States Aug 2012 - Dec 2015
Jul 2013 101700 mi US $1300	Transmission was repaired

Mercedes-Benz M-Class in New Mexico, United States Aug 2017 - Jun 2019
Feb 2018 126000 mi US $1000	Replaced all shocks with Bilstein hd. Original shocks leaking.
Apr 2018 127000 mi US $500	Alignment was going to be performed until it was noticed the front boots were leaking. R&R both front CV boots
Jun 2019 138000 mi US $10000	Shop destroyed engine attempting repairs. Vehicle totaled.

Mercedes-Benz M-Class in Texas, United States May 2014 - May 2015
Mar 2015 119000 mi US $1215	RR wheel hub replacement

Mercedes-Benz M-Class in New Jersey, United States Oct 2015 - Jun 2022
Jan 2016 US $600	Oil Cooler Seal Failed. Need to still replace.
Jan 2018 112000 mi US $2600	Oil cooler seal, transmission purge and oil change. Plastics for under body.

Mercedes-Benz M-Class in Nova Scotia, Canada Apr 2014 - Aug 2016
May 2014 88020 mi	Pollution

Mercedes-Benz M-Class in Ontario, Canada Jun 2014 - Jun 2018
Sep 2014 149420 mi C $1128	loss of several electrical functions including wipers, horn, keyless entry, turn signals, fuel guage, powere seets. nEventuakl diagnosed as rear SAM due to severe corrosin of the unit.
Dec 2014 154380 mi C $718	Fuel gauge read full regardless of actual fuel level. Replaced sending unit.
Oct 2015 164939 mi C $420	replace water pump replace right front wheel bearing
Sep 2017 187686 mi C $430	replace left rear wheel bearing
Oct 2017 187894 mi C $1390	Replace rear shocks and coil springs

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Mercedes-Benz M-Class in Michigan, United States Apr 2015 - Jun 2016
Aug 2015 101400 mi US $800	replaced the sensor that monitors fuel pressure replaced the intake valve (related to the warning light related to the fuel pressure sensor)
Jun 2016 122000 mi US $450	Steering angle sensor

Mercedes-Benz M-Class in Texas, United States Nov 2012 - Nov 2014
Dec 2012 61000 mi	Front struts were making noise like a tennis ball bouncing around at slow speeds over bumps. Front struts were replaced for free under CPO warranty. An air regulator sensor was also replaced for free under CPO warranty. Symptom was a CEL on extremely cold days that would go away the next day.
Jun 2014 72000 mi US $2700	Leaky tail lamp housings [Left and Right] caused water to get into the car and short out the SAM computer below the spare tire well. Computers had to be replaced and reprogrammed.
Nov 2014 75000 mi US $385	CEL w/ P2187. Dealer diagnosed PCV Breather Hose as needing replaced. Paid to replace. CEL back in the next day. Dealer replaced intake manifold under warranty. 2nd repair took about 20 days.

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Mercedes-Benz M-Class in Western Australia, Australia Sep 2009 - Jul 2022
Jul 2010 18600 mi	jerky gear change, from 1st to 2nd only
Jun 2011 29140 mi A $400	Oil leak from back of engine. Replaced two seals for $400 total including parts & labour. Car was under extended warranty, but dealer said these seals are not covered, although these seals asre NOT part of normal wear & tear.
Jun 2015 50840 mi A $5	leaking O-ring at power steering fluid reservoir (common Mercedes problem)

Mercedes-Benz M-Class in Florida, United States Jun 2014 - Jul 2014
Jul 2014 48000 mi	Keyless Go need to be pressed 3 times before engaging. Dealer said replaced control unit. Ordered from Germany. Almost two weeks to ship

Mercedes-Benz M-Class in Illinois, United States Nov 2007 - Dec 2012
Jan 2007 3500 mi	passenger front seat motor broken and replaced under warranty
May 2007 6000 mi	passenger side mirror stuck, dealer said just needed grease. Nov 2007 - bringing back for same repair
May 2012 59000 mi US $100	Power steering control diminished. no warning lights. took to dealer - power steering resevoir cracked and pump broken. Covered under extra warranty (post manufacturer warranty)
Oct 2012 62000 mi	Driver Seat belt randomly unlocking while driving

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Mercedes-Benz M-Class in New Jersey, United States - May 2009
May 2009 27000 mi US $31000	Replaced rear SAM electronics module under warranty to address recurring rear lighting issues, this happened twice during the month of May

Mercedes-Benz M-Class in Florida, United States Nov 2009 - Oct 2016
Mar 2010 36000 mi	Replaced exterior molding
Sep 2011 56000 mi US $79	Replaced Power Steering pump and reservoir because of seal leak.
Oct 2011 56700 mi US $742	Replaced tailgate lock.
Oct 2012 70000 mi US $1367	Replaced air compressor, belt pulley, a/c drier, and serpentine belt.
Nov 2012 70800 mi US $914	Replaced alternator
Mar 2015 104000 mi US $2000	replaced intake manifold, cylinder #5 ignition coil, crankcase vent valve, Cam Housing Plugs
Oct 2016 133000 mi	MIL Code P0016 and P0017 caused by a bad balance shaft in the engine. Engine will loose power while accelerating.

Mercedes-Benz M-Class in California, United States - Dec 2008
Dec 2008 20000 mi	"Check Engine" light came on. Dealer replaced 2 intake cam solenoids. Under Warranty.

Mercedes-Benz M-Class in Georgia, United States Sep 2015 - Apr 2018
Aug 2016 79700 mi US $2100	Flywheel replacement -
Mar 2017 85000 mi US $3000	Camshaft Positioning Magnets, Spark Plugs, etc.
Jun 2017 87000 mi US $500	Rear Right Brake/Turn Signal Housing Assembly

Mercedes-Benz M-Class in Latvia May 2017 - Aug 2018
Aug 2018 119040 mi €50	Rear parking sensor fail when it is raining so had to replace it.

Mercedes-Benz M-Class in Illinois, United States Sep 2009 - Jun 2011
Dec 2009 23000 mi US $250	Front right low beam headlight replaced - also oil change and "Service A"
Sep 2010 30000 mi	Check oil light came on, but it was a sensor issue. The oil pan was damaged during the repair and was also replaced. One of my right rear tail-light lights went out. It was promptly replaced.

Mercedes-Benz M-Class in California, United States Sep 2009 - Mar 2013
Oct 2009 13000 mi	Engine light on, found to be faulty manifold solenoid.
Jul 2010 29000 mi	Oil sensor replaced, due to error message "to check oil level during next fill-up"
Jan 2011 38000 mi	Left brake light changed, the wiring harness had to be replaced, covered under warranty.
Nov 2011 49000 mi	Solenoid sensor replaced

Mercedes-Benz M-Class in Florida, United States Aug 2013 - Dec 2015
Dec 2013 114000 mi US $5	Repainted lug nuts. Lug nuts were rusty, sanded and painted them silver. Other than that no problems.
Sep 2014 125000 mi US $20	Replaced driver low beam headlight. Identified that insulation on headlight wiring is worn and needs to be replaced.
Dec 2014 128000 mi US $1200	Service tech didn't put oil cap on tight. Result was that cleanup had to be done, and serpentine belt replaced.

Mercedes-Benz M-Class in California, United States Dec 2009 - Jan 2015
Mar 2010 44340 mi	Rear shock failed (leaked) so both replaced under warranty guidelines from Mercedes Re-programmed transmission control for downshifts 3-2, 2-1 when stopping car at traffic light. Had to replace rear shocks ( right rear) although both were replaced per Mercedes Benz instructions. Transmission was adjusted for smoothness of shifting in controller (per latest software)
Jul 2013 59200 mi US $180	Replace power steering reservoir and O-ring seals
Dec 2014 64000 mi US $1100	Replace transmission control unit and fluid.

Mercedes-Benz M-Class in North Carolina, United States Jan 2011 - Feb 2015
Mar 2011 55000 mi US $14	Rear windscreen wiper replaced
Nov 2011 60000 mi US $170	The sunvisor vanity mirror cover failed, and new sunvisor was installed, new one is improved apparently a common failure in this model and several MB.
Dec 2014 100000 mi US $180	Just replaced the original battery
Feb 2015 100000 mi US $450	Camshaft position sensor defective

Mercedes-Benz M-Class in Colorado, United States Sep 2009 - Sep 2016
Jun 2010 16000 mi	Leaking rear shock..both replaced under warranty
Sep 2010 19000 mi	Brake light bulb, MB upgraded to new sockets
Dec 2013 42000 mi US $20	Leaking oil from expansion cap at rear of engine...
Feb 2015 48000 mi US $80	Leaking o-ring where PS reservoir meets PS pump
Aug 2016 51000 mi US $150	Brake wear sensor showed wear. However, the problem was actually a speed sensor cable

Mercedes-Benz M-Class in Illinois, United States Aug 2009 - Jun 2022
May 2009 35630 mi	replaced camshaft position sensor
Dec 2012 90461 mi US $360	replaced engine thermostat
Apr 2013 95352 mi US $600	Power Liftgate latch replaced
Nov 2013 104467 mi US $173	Power Steering fluid leak. Replaced the reservoir o-ring. Steering Fluid Resevoir O-ring Replacement
Feb 2014 107300 mi US $388	Replaced three Rear Camshaft oil seal plugs, and the Breather Housing Cover
Nov 2014 121000 mi US $834	Replaced rear shocks
Nov 2016 149700 mi US $419	Replaced thermostat
May 2018 170000 mi US $43	Left Front Parking Lamp replacement. Labor to remove assembly required.
Aug 2019 192301 mi US $830	Power Steering Pump Replacement
Apr 2021 72827 mi	Replace motor mounts New Spark Plugs Replace left rear brake lines

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Mercedes-Benz M-Class in Queensland, Australia Aug 2009 - Jul 2018
Dec 2009 55800 mi	Failed transmission fluid pipe seal
Jul 2010 70060 mi A $890	Had to replace the turbo intake shutoff motor. No problem driving it, just low power (and much better fuel economy!) because the turbo wouldn't work.
Jan 2011 81840 mi A $3500	Air suspension on drivers side front needed replacing. Had to order genuine MB parts through Singapore because local MB dealership was going to charge far too much.
Jun 2011 91760 mi A $1660	Rear door lock actuator not working properly. Repair shop lubricated. Four new tires.
Jul 2011 92380 mi A $360	We had the right rear wheel bearing replaced in early July 2011- a humming noise while going straight and turning left but quiet turning right.
Dec 2012 124620 mi A $8500	Front left air shock failed and caused compressor pump failure. Both rear shocks leaking Sway bar knocking noise
May 2013 136400 mi A $1000	Rear air bag suspension
Aug 2013 143480 mi A $900	Other rear air suspension bag failed.
Sep 2014 171740 mi A $2000	Rear passenger door lock replaced.
Feb 2015 179180 mi A $1100	Tailgate locking mechanism failed; tailgate would not stay latched and the car could not be locked.
Mar 2017 207700 mi A $1296	Replace driver's side front air strut.
Jul 2018 226300 mi A $4600	replace intake manifold and turbo seal Replace compressor

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Mercedes-Benz M-Class in Florida, United States Oct 2010 - Jun 2011
Nov 2010 53000 mi US $6500	Replaced Cam Shaft

Mercedes-Benz M-Class in Maryland, United States Apr 2011 - May 2011
May 2011 86000 mi	There was a knocking sound while turning the wheels to the left.

Mercedes-Benz M-Class in Illinois, United States Oct 2012 - Mar 2013
Dec 2012 125000 mi US $3000	engine mount and throttle replaced. problem persists. when slowing down or at a stop and go traffic, the car would hesitate, and shake like it was going to stall. intermittent, so far dealer hasn't been able to duplicate. taking it back again next week.
Feb 2013 126400 mi US $1500	at this point, i don't even know what need to be fixed anymore, some oxygen thing

Mercedes-Benz M-Class in California, United States Jun 2010 - Jun 2011
Jul 2010 37000 mi US $230	After owning for one week, vehicle acted as if it was going to stall at slow speeds, then while stoped with motor running and foot on the brake, the vehicle would lunge forward. Dealer said previous owner probably used cheap gasoline.

Mercedes-Benz M-Class in New South Wales, Australia Jun 2011 - Jul 2011
Jul 2011 48980 mi A $3000	i am already sick with the car.

Mercedes-Benz M-Class in North Carolina, United States Feb 2010 - Mar 2011
Apr 2010 40000 mi	wheel sensors
Mar 2011 68000 mi	There was a problem with tail light harnesses. At first they said not covered. I balked and said you mean a CPO doesn't mean anything? I said I would take back to dealer I bought from and see what they had to say. They repaired under cpo

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Mercedes-Benz M-Class in California, United States Aug 2009 - Mar 2010
Sep 2009 47000 mi	Nav screen goes blank and doesn't allow the radio to function even though it still plays on the station it was last tuned to. It will come back on after multiple re-starts or shut off for period of time.

Mercedes-Benz M-Class in New Jersey, United States Apr 2011 - Jul 2012
Jun 2011 40000 mi US $1625	Back in the early part of the summer I noticed when first turning the ac on it was cool for a few min's then the air temp went up! and wouldn't work the rest of the day.
Feb 2012 42900 mi US $450	Battery lite keeps coming on, replaced both batteries, still having issues with batt lite coming on intermittently

Mercedes-Benz M-Class in Georgia, United States Jun 2013 - Sep 2018
Jul 2013 108000 mi US $20	Rear Turn left signal went out, front low beam lamp was burnt. AC unit has problems changing the temperatures, it get stuck, doesn't change at all, I figured how to use it,though I knew before I bought it. Dealer says it will cost around $700 to replace it if resetting doesn't fix it.Yet I love the car.
Oct 2014 115300 mi US $10	Rear turn light signal, same one done when I bought the car.
Jun 2015 120000 mi	Problem with door lock actuator, the spring broke, the famous "machine gun" ocurrence. I bought the spring, but didn't work out, then I bought a new actuator at cost $332, plus 2 other things that broke $50 and I paid the $80 for labor.
Apr 2016 125300 mi US $360	Started to have a misfire in October 2015, no codes. The car would launch forward sometimes when stopped. A mechanic told me it needed a tune up first. I bought the spark plugs($85), plug wires ($150), labor $120. Everybody charged$5-600
Dec 2017 135000 mi US $650	The car would not crank, I switched the batteries of the keys, still didn't work. My buddy works at MB and told me it was the ignition switch EIS. Also I ahd a problem with the car misfiring, so we swtiched the crank shaft sensor and it looks to solved the problems. At a dealer it'd cost $1300. But He helped me out so it cost $650.

Mercedes-Benz M-Class in California, United States Jun 2012 - Jun 2018
Dec 2016 98000 mi US $500	noisy the loosen sway bar
Dec 2017 101000 mi US $101000	Parking brake release lever was separated from brake wire.
Mar 2018 101474 mi US $400	replace Crankshaft Position Sensor

Mercedes-Benz M-Class in Virginia, United States Jul 2009 - Sep 2016
Jan 2011 25000 mi US $600	Oil leak from engine made smell. Required gasket replacement. Out of warranty.
Oct 2011 29000 mi US $500	Drivers seat developed tear with low mileage. Dealer said it is known issue. They replaced the part, I paid for labor.
Jun 2012 31000 mi US $170	Idler Pulley: WOBBLES
Jan 2014 36000 mi US $5000	Leaks in Airmatic pump, it was replaced. R/R strut air leak, replaced. External mirror faulty--would close repeatedly. Mechanism replaced.
Jul 2014 39000 mi	Wire in left mirror broken. Odd because the mirror was fixed not long ago
Nov 2015 45300 mi US $3000	Another leak in the air suspension
Mar 2016 46000 mi US $2000	More problem with air suspension. Rear lights issues also.

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Mercedes-Benz M-Class in Washington, United States Dec 2015 - Jul 2017
Mar 2016 69000 mi US $290	Was rear ended which caused the seat belt to tighten and SRS light to come on. Sent SRS module and seatbelt to myairbags.com for repair. Reinstalled and now seatbelt functions properly and SRS light is off.

Mercedes-Benz M-Class in Missouri, United States Sep 2016 - Jun 2022
Aug 2017 95000 mi US $650	Failed speed sensor in conductor plate. Purchased a new conductor plate and installed.
Apr 2018 99000 mi US $100	replaced MAF sensor
Dec 2021 126000 mi US $50	Replaced thermostat
Jun 2022 128000 mi US $75	Intake runner pivot arm

Mercedes-Benz M-Class in Florida, United States Aug 2011 - Apr 2017
Aug 2015 54000 mi US $980	Replaced compressor

Mercedes-Benz M-Class in Illinois, United States Dec 2009 - Jun 2011
Feb 2009 72000 mi US $500	Pulley system for belts needed to be replaced
Nov 2009 84000 mi US $450	Driver side seat belt kept getting warning and indicating it was not locked into place
Jan 2010 87000 mi US $2100	Needed new air intake system. Needed new Air intake system

Mercedes-Benz M-Class in Texas, United States Dec 2009 - Feb 2013
May 2010 44000 mi	Rattle in steering column. Lift gate would not lock. Lift gate actuator make whining sound. Sound like motor bearing going out Drivers side view mirror rattled. Also, reflection appeared shakey.

Mercedes-Benz M-Class in Arizona, United States Oct 2006 - Jan 2013
Jun 2006 3680 mi	SRS Indicator on at all times. Performed short test, found code 9200. Performed wiring harness repair per DTB T-B-91.60/93b, cleared codes
Jul 2007 17568 mi	Transmission clunk when slowing to a stop. Checked in Trans control unit. found new software update, after update, found update for M.E. control unit and installed. Erase all DTC codes after repair
Nov 2009 50000 mi	Smell of oil after recent oil change. Took to dealer as I only had 75 miles remaining in my 50K warranty. Mechanic disgnosed a leaking plug on the back of the cylinder head. Plug replaced.
Dec 2009 52000 mi US $490	600 miles out of warranty, 2 electrical problems - 1. Garage Remote buttons on mirror stopped working. (Dealer paid for new mirror and new door lock $1475, I paid labor.) 2.Rear passenger electric door lock rapidly pulsates after initial acceleration. (Dealer paid for new mirror and new door lock $1475, I paid labor.)
Feb 2010 53300 mi US $407	Check engine light. Found code 1085, major leak in purge system. Replaced purge valve and flashed to new ME9.7 Software. Cleared fault code
Jan 2013 52000 mi US $1418	Evidence of leaking fluid on garage floor and occasional smell of burning oil. Dealer determined that the Power steering reservoir was leaking. Dealer replaced the power steering oil tank 000-460-25-83 and gasket 000-466-18-80, $398. Vehicle on several occasions starts out in high gear from a dead spot making it very difficult to get vehicle up to speed. Dealer determined a fault code of 2767 and replaced internal transmission conductor plate # 000-270-17-00-88, $1020.

Mercedes-Benz M-Class in Alabama, United States - Mar 2010
Jan 2010 50322 mi	Transmission Valve body and control module replaced
Mar 2010 53000 mi	Replaced front differential

Mercedes-Benz M-Class in Illinois, United States Sep 2009 - Jun 2013
Oct 2009 51000 mi	Replacement of passenger foot well carpeting and cargo net under warranty.
Aug 2010 66000 mi US $250	The service trip was for routine maintenance. I asked the mechanic to investigate a noise in the suspension and a defective bearing in the steering column was discovered and repaired.
Aug 2011 79000 mi US $300	The level sensor on the passenger side front would cause the suspension to adjust one side of the car to be higher than the other.
Dec 2011 88000 mi	The car had an SRS failure. The harness for the airbag system was defective.
Feb 2012 88000 mi	The starter motor would work intermittently.
Jun 2013 96000 mi	Oil leak. Air suspension problems.

Mercedes-Benz M-Class in Georgia, United States Sep 2017 - Apr 2018
Apr 2018 182000 mi US $650	New front struts after one started to fail.

Mercedes-Benz M-Class in Ontario, Canada Apr 2012 - May 2013
Mar 2013 65720 mi C $2000	Differential replaced

Mercedes-Benz M-Class in Maryland, United States May 2013 - Jun 2014
Jun 2013 104000 mi US $400	Compressor had intermittent fault. MB refused to fix it under warranty. Nav Processor failed. Bought COMAND unit off an auction site, paid a tech to replace the Nav Processor
Oct 2013 108700 mi US $120	Right tail light did not work, and replacing the bulb did not fix it. Oddments tray would not stay retracted.
Dec 2013 112000 mi US $600	CD Nav failed. I bought an entire radio/nav head off of eBay. An independent tech removed the old NAV head and replaced it with the "new" used one. Works great, but you lose all your addresses.

Mercedes-Benz M-Class in North Carolina, United States Dec 2010 - Aug 2016
Apr 2015 81700 mi US $1000	Right reat door lock mechanism; rear liftgate lock mechanism.
Apr 2016 91000 mi US $140	New secondary battery.

Mercedes-Benz M-Class in Georgia, United States Jan 2016 - Nov 2018
Jun 2016 130000 mi US $750	Replaced failed front differential bearings
Dec 2016 137000 mi US $191	Cylinder #1 misfire, Replaced #1 coil pack and all spark plugs. Found that #1 plug had failed. Electronic Ignition Switch (EIS) failed. Replaced by dealer
Aug 2017 146762 mi US $980	Vacumn leak at intake manifold showing code for lean at idle bank 1. Intake manifold and some brittle vac hoses were replaced.
May 2018 155000 mi US $54	Replced master window control

Mercedes-Benz M-Class in Maryland, United States Dec 2011 - Feb 2016
Oct 2013 78300 mi US $350	Lift-Gate lock and release mechanism failed. Replaced unit.
Apr 2014 81800 mi US $300	Leaking steering fluid reservoir
May 2015 93000 mi US $850	Rear liftgate struts needed replacement. Dealer and non-dealer authorized repair said struts for electronic tailgate were $400 each. Seemed high, but purchased anyway.

Mercedes-Benz M-Class in Great Britain Nov 2013 - Jan 2015
Jan 2014 76000 mi £65	no.2 cylinder ignition coil breaking down
Jul 2014 79000 mi	replaced wheel speed sensor and bracket, D service rattle timing chain Oddments tray would not stay retracted.
Sep 2014 80000 mi £1200	camshaft timing gears

Mercedes-Benz M-Class in Ontario, Canada Dec 2010 - Jun 2012
Jan 2011 66960 mi C $1100	Had to repair door locking mechanism on the driver's door

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Mercedes-Benz M-Class in Ireland Oct 2015 - Sep 2017
Aug 2016 126920 mi €600	Turbo losing pressure - not fixed
Oct 2016 127100 mi €150	Same problem as before - turbo losing pressure The turbo has been rebuilt but still not fixed A pressure sensor was replaced - didn't fix the problem

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Mercedes-Benz M-Class in Western Australia, Australia Dec 2013 - Dec 2015
May 2014 84940 mi	converter shudder, changed filter, fluid, drained converter, fixed
Apr 2015 94440 mi A $200	rear airbag d/side
Jun 2015 95480 mi A $500	change 6 glow plugs and glow plug controller

Mercedes-Benz M-Class in France Nov 2010 - Aug 2012
Dec 2010 57660 mi	At low RPM and middle range temperature, engine has temporary little cuts. EGR valve replaced. Also unexpected automatic gear box hydraulic converter... Airmatic pneumatic suspension compressor has been replaced after check light appeared. Before the repair, the defective compressor was running for long time even when I was stopping the car.
Jul 2011 66340 mi	Airmatic air compressor destroyed due to air leak on suspension system after non conform previous repair horn of the car put on from time to time with no action on the central switch on the steering wheel
Aug 2012 79360 mi €750	Scary noisy front drivetrain when driving. Took long time at dealer to finaly detect a defective front left wheel bearing. Really not accceptable for a car driven only on nice roads for 128,000 km...

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Mercedes-Benz M-Class in Victoria, Australia Sep 2016 - Jun 2018
Nov 2017 116560 mi A $3800	Right hand rear air suspension replaced. Rear brake rotors and pads.

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Mercedes-Benz M-Class in Sweden Jun 2016 - Feb 2019
Sep 2016 9610 mi $8000	Replacement of AC compressor
Jun 2017 9920 mi $14000	Replacement of both rear air dampers
May 2018 10540 mi $500	Replacement of AC booster fan and warranty change of the AC compressor Xenon lamps replacement
Sep 2018 10540 mi	Replaced parking light bulb

Mercedes-Benz M-Class in Nevada, United States - Dec 2009
Dec 2009 94000 mi US $1800	Check Engine light was on. Dealer replaced fuel injectors, flash ecu. Also put on new brakes and oil change.

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Mercedes-Benz M-Class in New York, United States - Mar 2012
Mar 2012 78562 mi	bad cps, running good after replace it

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Mercedes-Benz M-Class in California, United States - Sep 2015
Sep 2015 159000 mi US $460	Valve cover gasket replaced and valve cover and surrounding area cleaned.

Mercedes-Benz M-Class in New Jersey, United States Jun 2008 - Mar 2021
Jul 2008 19500 mi	Rear seat fold release lever cable broke. N/C repair.
Jan 2009 24633 mi	Replaced leaking power steering pump. Extended warranty covered $941.75 repair cost.
Mar 2009 25923 mi	Check Engine light diagnosed as vapor leak requiring new gas cap ($116.00) and fluid leak required transmission pan gasket and fluid replacement ($274.00). Extended Warranty covered repair costs.
Jun 2009 29000 mi	Front right electronic door lock failed - actuator replaced. Extended Warranty covered $381 repair cost.
May 2018 100000 mi US $300	Air conditioning blowing warm air

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Mercedes-Benz M-Class in California, United States Jun 2012 - Dec 2015
Sep 2015 105000 mi US $950	Replace radiator.

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Mercedes-Benz M-Class in California, United States Jun 2012 - Mar 2013
Nov 2012 97500 mi US $1900	Valve cover gaskets leaking oil and needed replaced. Engine mounts worn out and needed replaced.
Mar 2013 105000 mi US $1100	Torsion bar bearing broke, when replacing the bearing the captive nut on torsion bar cage had welds break loose and didn't allow torsion bolt to be loosened or tightened. Had to replace whole torsion bar assembly.

Mercedes-Benz M-Class in North Carolina, United States Jun 2015 - Jul 2016
Jul 2016 169000 mi US $1200	Replacing crankshaft position sensor Replacing speed turbine sensor

Mercedes-Benz M-Class in California, United States - Jun 2008
Jun 2008 45000 mi	Power Steering hose burst. Covered by factory under unwritten part specific warranty.

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Mercedes-Benz M-Class in Michigan, United States May 2014 - Jun 2022
Nov 2014 125000 mi US $300	Replaced inop mcs/radio with a good used one.
Jan 2015 159800 mi US $160	Alternator had a diode going bad, repalced alternator Speed sesnor failed, driver's rear. Changed both rear sensors.
Sep 2015 150000 mi US $125	No low wiper speed = replace combination switch
May 2016 176000 mi US $250	Both lower ball joints, front end, plus had to buy a set of ball joint passes, but what I bought works on another car I own. I included the cost of the tool in the repair
Jan 2017 140800 mi US $650	Leaking cooler hoses - replace Rack oil hose to cooler leeking Replace battery with a Mercedes Battery Replaced both inner and outer tie rods, both sides, and both lower ball joints, front
Jan 2018 193000 mi US $125	Drive shaft support bearing
Mar 2021 220000 mi US $200	Radiator replaced, along with belt tensioner and idler

Mercedes-Benz M-Class in British Columbia, Canada Sep 2014 - Jun 2016
Sep 2015 142600 mi C $600	change of wiper motor, gear not cutting for the wiper.
Mar 2016 144460 mi C $520	Alternator failed and did not charge the battery properly. As a result, the engine light alarmed and the car stopped while driving. blower did not work properly. The arm of the moderator broken after years of service. Need a new part from dealer. Had to wait and scheduled the other day of service because of parts needed.
Jun 2016 144460 mi	1 lower front ball joint, 2 inner tie rods and 2 outer tie rods, steering rack boot kits needs to be replaced. And alignment is expected after the job. estimated total parts and labour cost $1250.

Mercedes-Benz M-Class in North Dakota, United States Dec 2011 - Jan 2012
Jan 2012 US $600	Defrost airflow was weak to windshield...flaps were not opening fully. I believe a part of the linkage was replaced.

Mercedes-Benz M-Class in United Arab Emirates Mar 2016 - Sep 2021
Mar 2016 230640 mi ¤2000	Oil leak reported. Found to be problem with Steering pump. Steering box was changed and steering pump was repaired
Jun 2016 235600 mi ¤250	Steering rack leakage. I've been topping up steering oil every week (500 ML per month) which costs me $3 a month. New rack would cost 400-500 and not easy to get.
May 2017 272800 mi ¤500	Compressor, Condensor Changed Still Leaking from Steering Kit Twice the Steering Kit was changed; Both times from scrap (trustworthy accident cars, which is common in this part of the world to get parts from scrap) without warranty. Now the cost of changing actually reached at least 30-35% of cost of new part Need to replace tie-rod ends, But waiting to resolve Steering issue

Mercedes-Benz M-Class in Pennsylvania, United States Jan 2016 - Jun 2016
Feb 2016 143300 mi US $1000	two new rear struts with springs, two new tires

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Mercedes-Benz M-Class in Oregon, United States May 2022 - Mar 2024
Jul 2022 99000 mi US $1300	A leak was noted at a prior oil change with required a replacement of seals.
Aug 2022 100000 mi US $1000	AC system replacement
May 2023 104000 mi US $800	alternator failure.
Sep 2023 105000 mi US $1400	steering pump failure and leak.

Mercedes-Benz M-Class in California, United States Jun 2012 - Sep 2013
Mar 2013 104000 mi US $450	Replaced radiator for the second time. As it was only 20 months, only paid for part.
Sep 2013 109000 mi US $475	Power steering pump, hoses, etc. There was a recall but vehicle had passed the acceptable date.

Mercedes-Benz M-Class in California, United States Jul 2015 - Jul 2018
Feb 2017 145000 mi US $150	replaced all drums and pads

Mercedes-Benz M-Class in Ontario, Canada Jun 2012 - Aug 2012
Aug 2012 80600 mi C $475	Engine was stalling. System check found internal resistance on the crank sensor was 1200 OHMS (too high. Sender unit was replaced.

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Mercedes-Benz M-Class in Spain Mar 2015 - Sep 2018
Dec 2015 128960 mi €2000	fuel admision problems and intermittent problems to start the engine replacement of fuel pipes, cleaning of admission system and installation of a fuel anti return system in the pipe from tank to engine

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Mercedes-Benz M-Class in Great Britain Dec 2012 - Dec 2015
Aug 2013 89000 mi	Took for mot, broken rear spring found.
Dec 2013 91000 mi £75	Replaced battery
Apr 2015 96200 mi £54	AC not working reacharged

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Mercedes-Benz M-Class in Missouri, United States - Mar 2010
Mar 2010 72000 mi US $1100	Replaced booster motor for rear hvac system.

Mercedes-Benz M-Class in New York, United States Jun 2017 - Jul 2018
Oct 2017 99000 mi US $300	Power steering line severed. Battery replaced. Attempted to repair motoring lock issue, but unsuccessful before pickup. Owner took terrible care of car.

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Mercedes-Benz M-Class in Texas, United States - May 2011
Dec 2007 51000 mi US $150	Replace MAF sensor insert.
Jan 2008 US $200	R&R defective brake lamp switch R&R Engine air cleaner element R&R Cabin air cleaner element
Jul 2009 65000 mi US $750	Shake at stop in gear Rough idle/hesitation when very hot R&R Engine mounts R&R Transmission mount R&R spark plugs
Oct 2009 67000 mi US $500	R&R battery – M-B OEM Flush brake fluid Rotate and balance tires Adjust engine idle speed
Dec 2009 70000 mi US $1000	R&R engine air filter element. Evacuate and recharge AC, fill to 1.65 lb R&R Plug wires Flush cooling system – M-B coolant 50/50 w/distilled water R&R front brake pads and wear sensor. R&R front rotors
Jan 2010 71000 mi US $200	Minor coolant leak. R&R Serpentine belt; check pulleys R&R Upper and lower radiator hose Pressure test cooling system R&R dash lamp Sudden PS fluid leak. R&R power steering fluid reservoir and O-ring - Mercedes-Benz OEM Fill with Mercedes-Benz OEM power steering oil Bleed system
May 2011 83000 mi US $30	R&R defective brake lamp switch

Mercedes-Benz M-Class in Virginia, United States - Jun 2016
Sep 2013 144000 mi US $1400	motor mount Replace hose
Jun 2016 160000 mi US $900	throttle sensor, valve sensor,

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Mercedes-Benz M-Class in Oregon, United States - Jan 2011
Jan 2011 116000 mi US $130	Replaced window control unit

Mercedes-Benz M-Class in California, United States May 2013 - Sep 2018
Oct 2013 102200 mi US $4900	Transmission leaking Suspension repaired Tune up Breaks valve cover leaks Water pump
Sep 2014 107000 mi US $1000	oil leaks. Valve cover gaskets
Dec 2014 107000 mi US $800	shocks and alignment
Jun 2015 107000 mi	replaced cracked windshield washer tank
Sep 2017 149370 mi US $400	Address valve cover leaks partially successful.

Mercedes-Benz M-Class in Idaho, United States Feb 2016 - Mar 2016
Mar 2016 172000 mi US $500	All Activity Module failed, needed replacement and reprogramming.

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Mercedes-Benz M-Class in California, United States Jul 2013 - Aug 2014
Jul 2014 128300 mi US $800	A pillar trim cover came loose rear gate no longer locks with remote AC condenser no longer working.

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Mercedes-Benz M-Class in Netherlands Nov 2017 - Jun 2022
Jun 2018 141980 mi €300	replaced 2 broken bulbs inside the cockpit odometer (dash)
Mar 2019 145700 mi €100	Dissassembled intake manifold wich was leaking boost and oil. Removed butterflyvalves, pluged holes with m16 bolts. Assembled it and mounted it back on the car. Cleaned the intake-side of the engine from the gunk that build up there while the intake was off. ...Its a pain-in-the-ass-job because no space

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Mercedes-Benz M-Class in British Columbia, Canada Sep 2009 - Mar 2010
Oct 2009 97340 mi C $450	Auto door locks not functioning properly.

Mercedes-Benz M-Class in California, United States Feb 2011 - Apr 2011
Apr 2011 152000 mi US $400	power steering fixed; part of it was cracked and was leaking fluid leak in the air conditioning system fixed

Mercedes-Benz M-Class in California, United States Jan 2015 - Feb 2015
Feb 2015 148000 mi	Car wont shift to high gear. Diagnosed bad transmission. Ended up changing the trasmission

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Mercedes-Benz M-Class in New York, United States Oct 2013 - Feb 2014
Jan 2014 US $50	Contacts for power window switches began to slip. Eventually reached a point where windows would no longer roll up. Purchased aftermarket master control panel and replaced unit.

Mercedes-Benz M-Class in British Columbia, Canada Sep 2012 - Dec 2013
Dec 2012 99820 mi C $150	Bose mcs no audio Rear wiper stopped working
Feb 2013 100720 mi	Water leak into passenger side. Sunroof drain line was dislodged from opening in lower side kick panel. drain line fitting was placed back into position.
Sep 2013 104780 mi C $125	Cracked catalytic convertor Oil leaks from oil filter housing, noisy idler pulley

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Mercedes-Benz M-Class in Washington, United States Mar 2010 - Mar 2015
May 2010 103300 mi US $45	Failing crankshaft position sensor
Oct 2011 113000 mi US $250	Battery replacement, corrosion on battery tray required cleanup & repainting
Nov 2011 113300 mi US $500	Replaced failing water pump. Preventively replaced serpentine belt and idler pulley.
Oct 2014 125300 mi US $200	Rf brake seized

Mercedes-Benz M-Class in Michigan, United States Mar 2010 - Jan 2014
Jan 2011 120000 mi US $225	Brake Light Switch broken, controls brake lights and cruise control.
May 2011 125500 mi US $215	Drivers window switch would not return window to closed position. Window stuck open. Purchased new switch panel and installed myself. Replaced window switch panel. Driver's side window stuck in down position.
Jun 2013 154000 mi US $400	Car stalled and died when warm. Took it to dealer (3 days), they couldn't figure it out. Took it to other shop, they figured it out--crank position sensor--but lots of labor time made it more costly than if it would have just thrown a code.
Oct 2013 156800 mi US $700	Needed new springs.
Jan 2014 161000 mi	Quite a bit of a rust problem underway.

Mercedes-Benz M-Class in South Australia, Australia Dec 2009 - Jul 2022
Jan 2011 89280 mi A $52	Car wouldn't start after sitting for 2 hours, after a 3 hour drive. No indications on dash, no check engine light. Went through fuse box, checked all fuses pertaining to engine. Found a possibly loose fuse, reset it and the the car started Ran scanner for codes, indicated P0355 (CPS) and CEL on. ordered and replaced CPS, CEL light bulb replaced. Reset CEL and codes.
Apr 2011 93000 mi	noticed a slight vibration thru steering wheel, after another 50km steering produced noise, vibrations hard steering. diagnosed leaking steering hose at radiator joint. Cut hose back, reattached, refilled with fluid all ok
Dec 2011 99200 mi A $147	nil operation, regassed, diagnosed tx valve unservicable, replaced tx valve and receiver drier.
Mar 2014 122140 mi A $514	loss of A/C gas Scrubbing out tyres, poor handling. A wheel alignment was carried out with the finding that the upper right hand control arm bolts were loose. Previous wheel aligner failed to torque the bolts.

Mercedes-Benz M-Class in Virginia, United States Nov 2009 - Dec 2012
Nov 2011 127000 mi US $787	Cat coverters were under a recall campaign several years ago. MB looked at truck at that time and determined nothing was wrong. A year ago the converter broke as expected from the recall, but MB refused to honor recall. Now, cat died.
Apr 2012 134300 mi	All Activity module replaced; car totally dead, no electrical power coming into circuit 15
Aug 2012 136800 mi US $428	Brake booster replacement

Mercedes-Benz M-Class in California, United States Aug 2009 - Sep 2015
Sep 2009 122000 mi US $120	Drivers side outer tie rod end is worn out. Needs replacement. Part ordered online for $49 plus shipping
Dec 2009 124000 mi US $59	Crank Shaft Positioning sensor failed causing preventing the engine from starting.
Jun 2010 132000 mi	repaired EGR valve
Feb 2014 150600 mi	Special edition sliding roof louvre stuck causing the metal guide to break requiring the roof to be closed manually and then made inoperable. Too difficult and expensive to repair. Do not recommend this vehicle because of this feature.
Nov 2014 153300 mi US $100	Replaced battery
Dec 2014 154000 mi US $60	Passenger high beam bulb out. Replaced high and low bulbs
Apr 2015 157700 mi US $250	Passenger side front for lock malfunctioned and car lock system stopped working. Had to replace the entire lock assembly.

Mercedes-Benz M-Class in Alabama, United States Dec 2013 - Dec 2014
Jul 2014 186000 mi US $1	the brain of the car they said that operates the dashboard and lets you know how much gas you have and heater etc it still doesnt work right the air does not work now nor the locks and the radio since they fixed the box

Mercedes-Benz M-Class in New York, United States Aug 2009 - Apr 2012
Sep 2009 105000 mi US $900	took 2 trips. after first trip, rear sensor wheel sensor replaced but problem recurred. after other rear wheel ABS sensor replaced, problem seems solved.
Jun 2010 108000 mi US $380	EGR valve bad
Nov 2010 108900 mi US $300	brake front rotors pads and rebuilt calipers
Jan 2011 109300 mi US $883	brake lines replaces from ABS control to rear calipers
Jul 2011 111000 mi US $185	no start/ hot engine intermittent. Replaced Crankshaft Position Sensor.
Feb 2012 113000 mi US $400	deteriorated hydraulic lines on steering rack.
Mar 2012 113000 mi	replace window switch module

Mercedes-Benz M-Class in Illinois, United States Jun 2014 - Dec 2014
Sep 2014 132000 mi US $75	Hydraulic lines inspected, significant rust indicated lines needed R&R soon. significant noise, blowby catylic/muffler.

Mercedes-Benz M-Class in Oregon, United States Feb 2014 - Feb 2014
Feb 2014 98000 mi US $217	replaced the belt tensioner

Mercedes-Benz M-Class in Alabama, United States Mar 2014 - Apr 2015
Apr 2015 211000 mi US $365	A pothole caused a rusty brake line to snap and leak brake fluid. The shop promptly replaced the rusted lines and bled the brakes.

Mercedes-Benz M-Class in Virginia, United States May 2012 - May 2012
May 2012 111000 mi US $800	Leaking oil from top and bottom of pan; and rear of pan. Leaks were from seals, with no pressure impact on engine. Oil leak at seals of oil pan.

Mercedes-Benz M-Class in South Africa Mar 2011 - Jun 2011
Jun 2011 109120 mi R 3000	Vehicle got stuck in 1st gear. Had to replace electronics in gearbox.

Mercedes-Benz M-Class in Florida, United States Jan 2011 - Apr 2017
May 2014 119000 mi US $200	Power steering pump leaking. R & R pump. Also replaced serpentine belt.

Mercedes-Benz M-Class in Sweden Mar 2011 - Jan 2022
May 2011 124620 mi	Fuel pump worn and not working. I hade to replace it. It was easy to replace after some research on internet.
Oct 2011 130200 mi	Crankshaft sensor defekt. Engine did not start when it was warm. After cooling down it started again. After the sensor was replaced everything works fine.
Jan 2014 148500 mi	I had to change the ETS unit.
Apr 2014 147140 mi	I still have some electrical problems that I havent solved. The car works for a couple of minutes then the BAS/ESP and ETS Light comes on. I am searching for a solution to the problem. The ETS light goes on as soon as I press the brakepadal.

Mercedes-Benz M-Class in California, United States Aug 2009 - Jun 2022
Mar 2010 37000 mi US $20	Cracking idler pulley (still usable), replace along with tensioner and belt as preventative maintenance
May 2014 43000 mi	AC system not getting cold, recharged it with R-134a

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Mercedes-Benz M-Class in Finland Jun 2010 - Apr 2016
Jul 2010 99820 mi €1200	Intake manifold, swirl flap axle missing, whoosing sound as pressurized air escaped, new intake manifold ordered. Shop broke cooler liquid expansion tank hose connection.
Aug 2010 101520 mi €1200	New intake manifold installed. cooler liquid expansion tank replaced
Dec 2010 109740 mi	Driver seat right side rail failed near adjustment piece. Fixed.
Mar 2011 115320 mi	Diagnosis for worn out wiper blade motor. Failure propably due to trying to use wipers when blades were frozen stuck to windscreen.
Oct 2011 128000 mi €1200	Rear coil springs have snapped. Must replace shock absorber and coilover on both sides. Left front, upper control arm ball joint loose, failed in annual safety inspection. Must replace whole upper control arm.
Jun 2012 143840 mi €800	Connector plate replaced (heat sensor, rotating speed sensor malfunctioning) Lateral acceleration sensor failed, caused front brake jamming and overheating. ESP warning light on. Sensor replaced.
Sep 2012 149420 mi €50	Car felt a little bit restless while cornering. After replacement goes like on rails.
Jun 2013 168640 mi €450	Whistling sound: Exhaust manifold loose: One broken bolt, many others loose. Turbo support loose from other end. Fix: Tightened, $50. Intermittend loss of power: Honeycomb of second catalytic converter broken loose. Turned sometimes sideways, blocked exchaust gas flow totally. Replaced with used catalytic converter, $400.
Oct 2013 175640 mi €120	Crankshaft sensor misbehaving. Car wouldn't start.
Apr 2014 185560 mi €300	Thermostat stuck, nearly no heat to cabinet, replaced
Sep 2014 195920 mi €170	Front tyres excess wear on outside, too much toe in because of bad tie-rod end. Tie-rod end replaced and 4-wheel alignment done.
Dec 2014 200260 mi €45	Lack of power, felt like no turbo. Would operate normally few minutes after start but then failed to accelerate properly. Rev would not go past 3000rpm. Tested with Star, problem was cut-off vacuum line next to turbo. Vacuum line reattached.
Feb 2015 203980 mi	HVAC fan motor died. Replaced with aftermarket part.
Mar 2015 204600 mi €80	BAS, ETS, ABS lights on constantly. ABS pump motor brushes worn out. Brushes changed, modified from a small hand tool brushes.
Jun 2015 209560 mi €550	One CDI injector attachment bolt shredded threads on the valve cover and rose up. Valve cover had to be removed and rethreaded. All injector seals and bolts replaced.

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Mercedes-Benz M-Class in Oregon, United States Aug 2009 - Dec 2009
Dec 2009 115000 mi US $600	oil light came on. Oil was very low and had to be added. Oil leak.

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Mercedes-Benz M-Class in Ontario, Canada Oct 2009 - Mar 2010
Dec 2009 145700 mi C $1800	front-end suspension (tie-rods, ball joints, etc.)

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Mercedes-Benz in Ontario, Canada Jun 2014 - Jul 2014
Jul 2014 76880 mi C $2800	CV joints wear out prematurely loud humming noise loud noise

Mercedes-Benz in Florida, United States Mar 2015 - Mar 2015
Mar 2015 203000 mi	replaced leaking expansion plug seal

Mercedes-Benz in Maryland, United States Nov 2013 - Jan 2014
Jan 2014 151000 mi US $1500	Water pump needs replacement

Mercedes-Benz in Colorado, United States May 2015 - Feb 2016
Feb 2016 152000 mi	Vibration in transmission and hesitation to shift down at 22mph

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Mercedes-Benz in Saskatchewan, Canada Aug 2011 - Jun 2012
Mar 2012 86180 mi C $500	Transmission gasket leaked. Had gasket replaced, new transmission filter and trans oil change.

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Mercedes-Benz in Washington, United States Aug 2011 - Jun 2018
Aug 2012 172100 mi US $600	leak in system
Dec 2012 175000 mi US $1000	Fuel Pump
Dec 2013 196000 mi US $15	Brake Light Switch
Apr 2014 200700 mi US $511	The car made a loud hydraulic noise whenever I turned the wheel. I took it to the shop and they had to replace the Power Steering fluid, power steering reservoir seal, accessory drive belt and idler pulley.
May 2014 202000 mi US $705	Due to issues with the previous repair on the belt, the serpentine accessory belt snapped, due to the tensioner pulley seizing up. The car had to be towed (by MB roadside assistance) and fixed.
Sep 2014 207000 mi US $500	Replaced outer tie rod end, conducted a wheel alignment and adjusted the ride height. Replaced a leaking 13 pin transmission connector
Oct 2014 207500 mi US $1600	Replaced slightly leaking power steering rack. Replaced rear suspension
Dec 2014 210000 mi US $1200	Replaced power steering pump as dealer did not bleed PS system properly, leading to pump failure.
Aug 2017 240000 mi US $1500	Replaced compressor
Apr 2018 242000 mi US $1000	Replacement of AC Schrader valve

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Mercedes-Benz in Ohio, United States - Oct 2021
Oct 2021 197500 mi US $230	Speed sensor fault, transmission sticking in 3rd gear. Replaced conductor plate and connector inside the transmission and cleared fault codes in transmission and ECU.

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Mercedes-Benz in Washington, United States Jun 2017 - Jun 2018
Feb 2018 210000 mi US $3500	Rack failed. Replace hoses, rack and flush. Oreilly supplied rack failed one week after installation. ZF rack from dealer installed second time.

Mercedes-Benz in Georgia, United States Jun 2018 - Jun 2018
Jun 2018 140000 mi US $150	Replaced window switch group on center console.

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Mercedes-Benz M-Class repair cost distribution

2015 Mercedes-Benz M-Class 4dr SUV

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2014 Mercedes-Benz M-Class 4dr SUV

2014 Mercedes-Benz M-Class 4dr SUV

2014 Mercedes-Benz M-Class 4dr SUV

2014 Mercedes-Benz M-Class 4dr SUV

2013 Mercedes-Benz M-Class

2013 Mercedes-Benz M-Class 4dr SUV

2013 Mercedes-Benz M-Class 4dr SUV

2013 Mercedes-Benz M-Class 4dr SUV

2013 Mercedes-Benz M-Class 4dr SUV

2013 Mercedes-Benz M-Class 4dr SUV

2013 Mercedes-Benz M-Class 4dr SUV

2013 Mercedes-Benz M-Class 4dr SUV

2012 Mercedes-Benz M-Class 4dr SUV

2012 Mercedes-Benz M-Class 4dr SUV

2012 Mercedes-Benz M-Class 4dr SUV

2012 Mercedes-Benz M-Class 4dr SUV

2011 Mercedes-Benz M-Class 4dr SUV

2011 Mercedes-Benz M-Class 4dr SUV

2011 Mercedes-Benz M-Class 4dr SUV

2011 Mercedes-Benz M-Class 4dr SUV

2011 Mercedes-Benz M-Class 4dr SUV

2010 Mercedes-Benz M-Class 4dr SUV

2010 Mercedes-Benz M-Class 4dr SUV

2010 Mercedes-Benz M-Class 4dr SUV

2010 Mercedes-Benz M-Class 4dr SUV

2010 Mercedes-Benz M-Class 4dr SUV

2010 Mercedes-Benz M-Class 4dr SUV

2009 Mercedes-Benz M-Class

2009 Mercedes-Benz M-Class 4dr SUV

2009 Mercedes-Benz M-Class 4dr SUV

2009 Mercedes-Benz M-Class 4dr SUV

2009 Mercedes-Benz M-Class 4dr SUV

2009 Mercedes-Benz M-Class 4dr SUV

2009 Mercedes-Benz M-Class 4dr SUV

2009 Mercedes-Benz M-Class 4dr SUV

2008 Mercedes-Benz M-Class 4dr SUV

2008 Mercedes-Benz M-Class 4dr SUV

2008 Mercedes-Benz M-Class 4dr SUV

2008 Mercedes-Benz M-Class 4dr SUV

2007 Mercedes-Benz M-Class

2007 Mercedes-Benz M-Class 4dr SUV

2007 Mercedes-Benz M-Class 4dr SUV

2007 Mercedes-Benz M-Class 4dr SUV

2007 Mercedes-Benz M-Class 4dr SUV

2006 Mercedes-Benz M-Class

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2006 Mercedes-Benz M-Class 4dr SUV

2006 Mercedes-Benz M-Class 4dr SUV

2006 Mercedes-Benz M-Class 4dr SUV

2006 Mercedes-Benz M-Class 4-door

2006 Mercedes-Benz M-Class 4-door

2005 Mercedes-Benz M-Class 4dr SUV

2005 Mercedes-Benz M-Class 4dr SUV

2004 Mercedes-Benz M-Class 4dr SUV

2003 Mercedes-Benz M-Class 4dr SUV

2003 Mercedes-Benz M-Class 4dr SUV

2003 Mercedes-Benz M-Class 4dr SUV

2003 Mercedes-Benz M-Class 4dr SUV

2003 Mercedes-Benz M-Class 4-door

2003 Mercedes-Benz M-Class 4-door

2002 Mercedes-Benz M-Class 4dr SUV

2002 Mercedes-Benz M-Class 4dr SUV

2001 Mercedes-Benz M-Class 4dr SUV

2001 Mercedes-Benz M-Class 4dr SUV

2001 Mercedes-Benz M-Class 4-door

2000 Mercedes-Benz M-Class

2000 Mercedes-Benz M-Class 4dr SUV

2000 Mercedes-Benz M-Class 4dr SUV

2000 Mercedes-Benz M-Class 4-door

2000 Mercedes-Benz M-Class 4-door

2000 Mercedes-Benz M-Class 4-door

1999 Mercedes-Benz M-Class

1999 Mercedes-Benz M-Class 4-door

1999 Mercedes-Benz M-Class 4-door

1998 Mercedes-Benz M-Class

1998 Mercedes-Benz M-Class 4-door