| 1 | 0 | 3 | 4 | 3 | 4 |
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%)
Chart based on 868 repairs.
Mercedes-Benz M-Class engine repair cost distribution
$2500+ (7%)
$1000 - $2499 (16%)
$500 - $999 (17%)
$100 - $499 (22%)
< $100 (37%)
Chart based on 258 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2015 Mercedes-Benz M-Class 4dr SUV
302-horsepower 3.5L V6 7-speed shiftable automatic AWD
| 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 ... |
| 71000 mi US $2100 |
Failed [ignition] coil |
2014 Mercedes-Benz M-Class 4dr SUV
turbocharged 255hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 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. |
| 93620 mi | Engine code. High carbon in cyl. Sensor replaced. Running good |
2014 Mercedes-Benz M-Class 4dr SUV
turbocharged 240hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 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. |
| 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. |
| 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. |
| 118000 mi US $1200 |
Oil leak repair |
| 40000 mi | Turbo sensor replaced under warranty |
| 102000 mi US $1280 |
Oil leaks from oil cooler, intercooler hoses |
2014 Mercedes-Benz M-Class 4dr SUV
302-horsepower 3.5L V6 7-speed shiftable automatic AWD
| 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. |
| 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. |
| 9000 mi US $20 |
low coolant |
| 41000 mi US $100 |
Bad injector. Also leaky valve stem on tire |
| 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, ???? |
| 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 |
2013 Mercedes-Benz M-Class
Engine not specified
| 13000 mi | Strange noise at startup |
2013 Mercedes-Benz M-Class 4dr SUV
turbocharged 402hp 4.7L V8 7-speed shiftable automatic AWD
| 147000 mi US $3000 |
New water pump hoses thermostat belts pulleys valves and cam shaft gaskets |
| 56000 mi | Engine idling low and running roughly after stopping from highway speed. |
| 61000 mi | Problem with low, rough idle was intermittent and could never be duplicated by the dealer. |
2013 Mercedes-Benz M-Class 4dr SUV
turbocharged 255hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 62000 mi A $2500 |
EGR Valve replaced |
| 65100 mi A $1800 |
Nox Sensors faulty and replaced under goodwill arrangement. |
2013 Mercedes-Benz M-Class 4dr SUV
turbocharged 240hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 40000 mi | Replaced NOx sensors. Replaced soot sensor. |
| 43000 mi | Engine Light |
| 48000 mi | Engine Light, bad NOx sensors, both front and back. Replace by dealer |
| 52500 mi | Air inlet to turbo gasket causing oil leak |
| 39680 mi | Engine light on for preheater in DEF system. Corrected replaced, then needed pressure hose. |
| 71880 mi | Oil cooler system leak Soot sensor defective serpentine belt broke and pully's worn. Long wait for parts |
| 103540 mi C $2500 |
2- Oxygen sensors |
| 120280 mi | Leaking oil again |
| 140120 mi C $1202 |
Replace MAF sensor |
| 94000 mi US $972 |
EGR replaced |
| 98000 mi | Bad valve associated with Diesel engine |
| 39400 mi US $1300 |
Bad balking or hesitation at every shift point. Replaced oil cooler seal and resulting Mass Air Flow assembly |
| 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. |
2013 Mercedes-Benz M-Class 4dr SUV
302-horsepower 3.5L V6 7-speed shiftable automatic RWD
| 45800 mi | Car would not start, when it eventually did start the engine died immediately. Sent to Mercedes of San Diego, computer software updated. |
| 22000 mi | Sensor on emission control. |
2013 Mercedes-Benz M-Class 4dr SUV
302-horsepower 3.5L V6 7-speed shiftable automatic AWD
| 40000 mi | Timing chain noise at startup. Known service bulletin |
| 72000 mi US $600 |
Cam shaft sensors |
2012 Mercedes-Benz M-Class 4dr SUV
turbocharged 255hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 60760 mi C $1400 |
NOx censors replacement |
2012 Mercedes-Benz M-Class 4dr SUV
turbocharged 240hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 52100 mi | Oil leak |
| 60000 mi | Shorted harness resulted in destruction of computer and messed up Adblue system |
| 68000 mi | Turbo seal replaced. Then oil cooler oil leak discovered. Out of warranty but paid $0 (goodwill). |
| 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. |
| 26040 mi | Part of the emission system had to be replace |
| 38500 mi | Seeping Oil pan gasket was replaced under warranty before it developed into significant problem. |
| 66000 mi | 02 sensor in exhaust. |
| 100000 mi | Diesel exhaust system replacement under Mercedes Benz legal settlement |
| 110000 mi | Seals to intake, oil cooler replaced. |
| 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. |
2012 Mercedes-Benz M-Class 4dr SUV
302-horsepower 3.5L V6 7-speed shiftable automatic AWD w/low range
| 50800 mi C $800 |
Main fuel pump replacement |
2012 Mercedes-Benz M-Class 4dr SUV
302-horsepower 3.5L V6 7-speed shiftable automatic AWD
| 6000 mi | Fuses igniting cylinders blown twice. Replaced ignition coils. Fixed after second attempt. |
| 5000 mi | Rough idle, occasional stall on cold start. |
| 10500 mi | Low coolant Warning Came on. Added half an inch of coolant to the reservoir, said common. |
| 236000 mi US $1500 |
replace right side catalytic converter due to persistent check engine light |
| 37000 mi | Car sometimes turns on and then shuts off right after pushing the start button. There was a software update to fix. |
| 29000 mi | Smart Key failed to start car. Smart Key replaced by dealer under warranty. |
| 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. |
2011 Mercedes-Benz M-Class 4dr SUV
turbocharged 228hp 3.0L V6 Diesel 7-speed shiftable automatic AWD w/low range
| 37180 mi C $2000 |
replace ignition switch |
| 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. |
| 76880 mi C $2700 |
Timing chain stretched because tensioner was faulty. replaced |
| 86800 mi C $5500 |
need to replace intake sensors and valve that got stuck oil cooler leaked. need to replace seals |
2011 Mercedes-Benz M-Class 4dr SUV
turbocharged 228hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 58900 mi | 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. |
| 68200 mi C $450 |
Diesel exhaust fluid heater failed, Mercedes paid full cost of part, I paid labour. |
2011 Mercedes-Benz M-Class 4dr SUV
turbocharged 210hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 3240 mi | Cooling system failed. Entire cooling system was replaced under warranty. |
| 63000 mi US $3000 |
Oil cooler leak |
| 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 |
| 64660 mi | Check engine light on. Right sensor now bad as well Oil cooler leaking, seals replaced Sensor replaced |
| 69320 mi | Slow coolant leak. A hose was incorrectly re-installed after an earlier repair. |
| 81840 mi | Rattle on startup. Bad timing chain tensioner. Tensioner replaced |
| 89280 mi | CEL on in dash, required NOx sensor and catalytic converter |
| 160000 mi US $120 |
timing chain Replaced timing chain |
2011 Mercedes-Benz M-Class 4dr SUV
268-horsepower 3.5L V6 7-speed shiftable automatic AWD
| 47300 mi | Thermostat failure |
| 68000 mi US $479 |
Replaced an oxygen sensor and oil change |
| 77200 mi US $500 |
Thermostat |
2010 Mercedes-Benz M-Class 4dr SUV
turbocharged 228hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 58280 mi C $2000 |
Glow Plugs and Glow Plug module Engine Oil Cooler leaking |
2010 Mercedes-Benz M-Class 4dr SUV
turbocharged 210hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 50000 mi US $1708 |
Replaced AdBlue Heater Element (Diesel engine) w/ tank. RS Preheater #164-471-11-75 |
2010 Mercedes-Benz M-Class 4dr SUV
268-horsepower 3.5L V6 7-speed shiftable automatic RWD
| 71300 mi US $600 |
Ignition switch was malfunctioning and was replaced. |
| 170000 mi US $2000 |
Replace water pump |
| 119000 mi US $75 |
The intake manifold tumble flap actuator lever broke and was replaced with an aftermarket metal piece. |
2010 Mercedes-Benz M-Class 4dr SUV
268-horsepower 3.5L V6 7-speed shiftable automatic AWD w/low range
| 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. |
2010 Mercedes-Benz M-Class 4dr SUV
268-horsepower 3.5L V6 7-speed shiftable automatic AWD
| 28520 mi $5 |
Engine making whinning sound end up discovered by shop are the engine pulleys need to be replaced same as the water pump and pulley! |
2009 Mercedes-Benz M-Class
Engine not specified
| 53960 mi C $1200 |
Major engine job to fix an oil leak, partially covered by warranty. |
2009 Mercedes-Benz M-Class 4dr SUV
turbocharged 221hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 89280 mi | Rear main seal is leaking. Losent a quart in two months. |
| 59520 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) |
| 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%. |
2009 Mercedes-Benz M-Class 4dr SUV
turbocharged 210hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 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. |
| 62000 mi US $2200 |
Diesel Exhust Fluid heater replacement. |
| 90000 mi US $1800 |
Diesel Emission Fluid tank heater |
| 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. |
| 72000 mi | Oil seal |
| 35866 mi | NOx sensor replaced under warranty for the first time; regular cost including air cleaner turbo seal would have been $1,350.92. |
| 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. |
| 60028 mi US $1351 |
NOx sensor replaced for 2nd time; also EGR Temperatur Sensor and air cleaner turbo seal replaced. $1,350.92 |
| 56633 mi | NOx sensor replaced on April 5th, 2012 had shaken loose. Dealer fixed free of charge as it was their responsibility. |
| 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 |
| 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. |
| 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 |
| 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. |
| 81000 mi US $5384 |
Turbo inlet pipe seals replaced $186.01 plus sales tax |
| 60000 mi | Oil cooler seals leaking. Fixed under goodwill warranty work otherwise it would have cost $2200 |
| 82460 mi C $2100 |
Check engine light came on, emission problem diagnosed. 2nd time adblue heater needed replacement |
2009 Mercedes-Benz M-Class 4dr SUV
382-horsepower 5.5L V8 7-speed shiftable automatic AWD
| 51000 mi | Replaced thermostat. |
| 61000 mi US $500 |
Ignition coil. |
| 44000 mi | Possible defective thermostat |
2009 Mercedes-Benz M-Class 4dr SUV
268-horsepower 3.5L V6 7-speed shiftable automatic AWD
| 37000 mi US $836 |
ignition would not sense the key fob. ignition starter switch was replaced. |
| 52000 mi US $900 |
thermostat needed replacing |
| 92500 mi US $1300 |
Water pump seal and bearings |
| 64100 mi US $250 |
Replace thermostat. |
| 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. |
| 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. |
| 102000 mi US $320 |
Thermostat. |
| 77500 mi | thermostat failed |
| 47000 mi US $375 |
Serpentine belt was worn and squealing intermittently |
2008 Mercedes-Benz M-Class 4dr SUV
turbocharged 221hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 65340 mi C $950 |
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. |
| 72900 mi C $455 |
Fuel cut off solenoid engine error. No output voltage. Solenoid replaced. |
| 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. |
| 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. |
| 192820 mi C $280 |
Engine error code. Replaced 3 cylinder sensor |
| 253580 mi C $850 |
Oil Cooler Leak. Replaced gaskets and oil cooler |
| 274040 mi | Diesel Emissions recall. Replacement of multip[le sensors, computer programming etc |
2008 Mercedes-Benz M-Class 4dr SUV
turbocharged 215hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 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 |
| 83000 mi US $300 |
Check engine light on. Defective DPF pressure differential sensor. |
| 64200 mi US $1000 |
Oil Cooler Seals - $1,100 (warranty). Engine Belt - $300 (out of pocket). Air Mass Sensor - $610 (out of pocket). |
| 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. |
| 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 |
| 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. |
| 141000 mi US $1000 |
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. |
| 87000 mi US $400 |
Confusing app |
| 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. |
| 87900 mi US $900 |
Faulty glow plug |
| 73780 mi | replace engine oil cooler gasket |
| 99820 mi C $2000 |
replace crankcase vent valve assembly replace intake servo motor replace upper radiator hose |
| 89160 mi C $600 |
replaced leaking fuel filter |
| 69000 mi US $1470 |
Intake runner flap motor and related parts. Car was in Limp mode and shifting badly because of that. |
| 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. |
| 58300 mi | rear main seal and turbo seal replaced, apparently common the service manager said |
| 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). |
| 85560 mi | Engine leaked 1L per week from rear main seal. 5k in repairs |
2008 Mercedes-Benz M-Class 4dr SUV
382-horsepower 5.5L V8 7-speed shiftable automatic AWD
| 65720 mi C $4500 |
balance tires, adjust computer for acceleration oil leak |
| 88040 mi C $5500 |
oil filter seal leakage, |
2008 Mercedes-Benz M-Class 4dr SUV
268-horsepower 3.5L V6 7-speed shiftable automatic AWD
| 16120 mi $550 |
Coolant leaking from Water pump. New water pump replaced. |
| 17112 mi $100 |
Engine checked and replaced a new solenoid. Engine Check, replaced a new solenoid. |
| 18600 mi $400 |
Fuel pump failure. Replaced new fuel pump. |
| 120005 mi US $250 |
thermostat |
| 31000 mi | Cam seal oil leak repaired. new seal installed |
| 68000 mi US $125 |
Oil cover for cams leaked oil. |
| 80000 mi US $300 |
Access pulley and belt was close to failing |
| 83000 mi US $1000 |
leaking gasket New front tires Oil change engine air filter |
| 98300 mi US $100 |
Fan belt broke |
| 57000 mi | 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. |
| 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) |
2007 Mercedes-Benz M-Class
Engine not specified
| 33480 mi | oil leak from engene |
2007 Mercedes-Benz M-Class 4dr SUV
turbocharged 215hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| 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. |
| 32000 mi | Coolant overflow tank cracked, causing low coolant warning light to come on periodically. |
| 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. |
| 53000 mi US $180 |
engine died; after several restarts, went into limp mode. fuel filter replacement only. |
| 99200 mi C $470 |
Emission valve sticking resulting in oil leak near top rear of engine. |
| 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 |
| 117800 mi | Engine light / glow plugs burnt out. Oil & Filter change 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 |
| 158100 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. |
| 88020 mi | Pollution |
| 81000 mi US $450 |
EGR hose plugged |
| 48000 mi | 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. |
| 72000 mi | Oil leak at turbo, this is the second time for a leak in that area. Earlier leak at about 50,000. |
| 95000 mi | Oily fluid dripping under car. Coming from bad seal between turbo and intake plenum. Seal replaced by dealer. |
| 100000 mi | Car went in to limp mode. No power. Check Engine Light. Dealer found short in wiring and problems with turbo control. |
| 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. |
| 164299 mi C $608 |
replace water pump |
| 138000 mi US $10000 |
Shop destroyed engine attempting repairs. Vehicle totaled. |
| 68500 mi US $600 |
Oil Cooler Seal Failed. Need to still replace. |
| 112000 mi US $2600 |
Oil cooler seal, transmission purge and oil change. Plastics for under body. |
| 74400 mi C $900 |
Emissions controls issues |
2007 Mercedes-Benz M-Class 4dr SUV
503-horsepower 6.2L V8 7-speed shiftable automatic AWD
| 61000 mi | 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. |
| 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. |
| 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) |
2007 Mercedes-Benz M-Class 4dr SUV
302-horsepower 5.0L V8 7-speed shiftable automatic AWD
| 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. |
| 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 |
2007 Mercedes-Benz M-Class 4dr SUV
268-horsepower 3.5L V6 7-speed shiftable automatic AWD
| 104000 mi US $2000 |
replaced intake manifold, cylinder #5 ignition coil, crankcase vent valve, Cam Housing Plugs |
| 133000 mi | MIL Code P0016 and P0017 caused by a bad balance shaft in the engine. Engine will loose power while accelerating. |
| 13000 mi | Engine light on, found to be faulty manifold solenoid. |
| 29000 mi | Oil sensor replaced, due to error message "to check oil level during next fill-up" |
| 49000 mi | Solenoid sensor replaced |
| 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. |
| 100000 mi US $450 |
Camshaft position sensor defective |
| 20000 mi | "Check Engine" light came on. Dealer replaced 2 intake cam solenoids. Under Warranty. |
| 42000 mi US $20 |
Leaking oil from expansion cap at rear of engine... |
| 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. |
| 85000 mi US $3000 |
Camshaft Positioning Magnets, Spark Plugs, etc. |
| 35630 mi | replaced camshaft position sensor |
| 90461 mi US $360 |
replaced engine thermostat |
| 107300 mi US $388 |
Replaced three Rear Camshaft oil seal plugs, and the Breather Housing Cover |
| 149700 mi US $419 |
Replaced thermostat |
| 72827 mi | Replace motor mounts New Spark Plugs |
| 44000 mi | Re-programmed transmission control for downshifts 3-2, 2-1 when stopping car at traffic light. |
2006 Mercedes-Benz M-Class
turbocharged 6-cylinder diesel automatic 4WD
| 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. |
| 226300 mi A $4600 |
replace intake manifold and turbo seal |
2006 Mercedes-Benz M-Class
Engine not specified
| 40000 mi | wheel sensors |
| 53000 mi US $6500 |
Replaced Cam Shaft |
| 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. |
| 126400 mi US $1500 |
at this point, i don't even know what need to be fixed anymore, some oxygen thing |
| 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. |
2006 Mercedes-Benz M-Class 4dr SUV
302-horsepower 5.0L V8 7-speed shiftable automatic AWD
| 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 |
| 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. |
| 101474 mi US $400 |
replace Crankshaft Position Sensor |
| 25000 mi US $600 |
Oil leak from engine made smell. Required gasket replacement. Out of warranty. |
| 31000 mi US $170 |
Idler Pulley: WOBBLES |
2006 Mercedes-Benz M-Class 4dr SUV
268-horsepower 3.5L V6 7-speed shiftable automatic AWD
| 96000 mi | Oil leak. |
| 72000 mi US $500 |
Pulley system for belts needed to be replaced |
| 87000 mi US $2100 |
Needed new air intake system. Needed new Air intake system |
| 137000 mi US $191 |
Cylinder #1 misfire, Replaced #1 coil pack and all spark plugs. Found that #1 plug had failed. |
| 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. |
| 99000 mi US $100 |
replaced MAF sensor |
| 126000 mi US $50 |
Replaced thermostat |
| 128000 mi US $75 |
Intake runner pivot arm |
| 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 |
| 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. |
| 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 |
| 76000 mi £65 |
no.2 cylinder ignition coil breaking down |
| 79000 mi £600 |
rattle timing chain |
| 80000 mi £1200 |
camshaft timing gears |
2006 Mercedes-Benz M-Class 4dr SUV
| 126920 mi €600 |
Turbo losing pressure - not fixed |
| 127100 mi €150 |
A pressure sensor was replaced - didn't fix the problem |
2006 Mercedes-Benz M-Class 4-door
turbocharged 6-cylinder diesel automatic AWD
| 95480 mi A $500 |
change 6 glow plugs and glow plug controller |
| 57660 mi | At low RPM and middle range temperature, engine has temporary little cuts. EGR valve replaced. |
2005 Mercedes-Benz M-Class 4dr SUV
288-horsepower 5.0L V8 5-speed shiftable automatic AWD w/low range
| 94000 mi US $1800 |
Check Engine light was on. Dealer replaced fuel injectors, flash ecu. Also put on new brakes and oil change. |
2005 Mercedes-Benz M-Class 4dr SUV
232-horsepower 3.7L V6 5-speed shiftable automatic AWD w/low range
| 78562 mi | bad cps, running good after replace it |
2004 Mercedes-Benz M-Class 4dr SUV
232-horsepower 3.7L V6 5-speed shiftable automatic AWD w/low range
| 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. |
| 159000 mi US $460 |
Valve cover gasket replaced and valve cover and surrounding area cleaned. |
2003 Mercedes-Benz M-Class 4dr SUV
342-horsepower 5.4L V8 5-speed shiftable automatic AWD w/low range
| 105000 mi US $950 |
Replace radiator. |
2003 Mercedes-Benz M-Class 4dr SUV
288-horsepower 5.0L V8 5-speed shiftable automatic AWD w/low range
| 169000 mi US $1200 |
Replacing crankshaft position sensor |
| 97500 mi US $1900 |
Valve cover gaskets leaking oil and needed replaced. Engine mounts worn out and needed replaced. |
2003 Mercedes-Benz M-Class 4dr SUV
232-horsepower 3.7L V6 5-speed shiftable automatic AWD w/low range
| 220000 mi US $200 |
Radiator replaced, along with belt tensioner and idler |
2003 Mercedes-Benz M-Class 4dr SUV
215-horsepower 3.2L V6 5-speed shiftable automatic AWD w/low range
| 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. |
| 104000 mi US $450 |
Replaced radiator for the second time. As it was only 20 months, only paid for part. |
2003 Mercedes-Benz M-Class 4-door
turbocharged 5-cylinder diesel automatic 4WD
| 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 |
2002 Mercedes-Benz M-Class 4dr SUV
215-horsepower 3.2L V6 5-speed shiftable automatic AWD w/low range
| 160000 mi US $900 |
throttle sensor, valve sensor, |
| 51000 mi US $150 |
Replace MAF sensor insert. |
| 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 |
| 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 |
| 71000 mi US $500 |
Minor coolant leak. R&R Serpentine belt; check pulleys R&R Upper and lower radiator hose Pressure test cooling system R&R dash lamp |
2001 Mercedes-Benz M-Class 4dr SUV
268-horsepower 4.3L V8 5-speed shiftable automatic AWD w/low range
| 102200 mi US $4900 |
Tune up Breaks valve cover leaks Water pump |
| 107000 mi US $1000 |
oil leaks. Valve cover gaskets |
| 107000 mi | replaced cracked windshield washer tank |
| 149370 mi US $400 |
Address valve cover leaks partially successful. |
2001 Mercedes-Benz M-Class 4-door
turbocharged 5-cylinder diesel automatic 4WD
| 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 |
2000 Mercedes-Benz M-Class 4dr SUV
268-horsepower 4.3L V8 5-speed shiftable automatic AWD w/low range
| 104780 mi C $125 |
Cracked catalytic convertor Oil leaks from oil filter housing, noisy idler pulley |
2000 Mercedes-Benz M-Class 4dr SUV
215-horsepower 3.2L V6 5-speed shiftable automatic AWD w/low range
| 89280 mi A $52 |
Ran scanner for codes, indicated P0355 (CPS) and CEL on. ordered and replaced CPS, CEL light bulb replaced. Reset CEL and codes. |
| 103300 mi US $45 |
Failing crankshaft position sensor |
| 113300 mi US $500 |
Replaced failing water pump. Preventively replaced serpentine belt and idler pulley. |
| 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. |
| 37000 mi US $20 |
Cracking idler pulley (still usable), replace along with tensioner and belt as preventative maintenance |
| 124000 mi US $59 |
Crank Shaft Positioning sensor failed causing preventing the engine from starting. |
| 132000 mi | repaired EGR valve |
| 105000 mi US $900 |
took 2 trips. after first trip, rear sensor wheel sensor replaced but problem recurred. |
| 108000 mi US $380 |
EGR valve bad |
| 111000 mi US $185 |
no start/ hot engine intermittent. Replaced Crankshaft Position Sensor. |
| 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. |
| 98000 mi US $217 |
replaced the belt tensioner |
| 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. |
| 109120 mi R 3000 |
Vehicle got stuck in 1st gear. Had to replace electronics in gearbox. |
| 132000 mi US $75 |
significant noise, blowby catylic/muffler. |
| 124620 mi | Fuel pump worn and not working. I hade to replace it. It was easy to replace after some research on internet. |
| 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. |
2000 Mercedes-Benz M-Class 4-door
turbocharged 5-cylinder diesel automatic AWD
| 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. |
| 101520 mi €1200 |
New intake manifold installed. cooler liquid expansion tank replaced |
| 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. |
| 175640 mi €120 |
Crankshaft sensor misbehaving. Car wouldn't start. |
| 185560 mi €300 |
Thermostat stuck, nearly no heat to cabinet, replaced |
| 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. |
| 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. |
2000 Mercedes-Benz M-Class 4-door
8-cylinder automatic AWD
| 115000 mi US $600 |
oil light came on. Oil was very low and had to be added. Oil leak. |
1999 Mercedes-Benz M-Class
Engine not specified
| 151000 mi US $1500 |
Water pump needs replacement |
| 203000 mi | replaced leaking expansion plug seal |
1999 Mercedes-Benz M-Class 4-door
6-cylinder automatic 4WD
| 175000 mi US $1000 |
Fuel Pump |
| 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. |
See TrueDelta's information for all SUVs
See TrueDelta's information for all Mercedes-Benz models.
