| 1 | 0 | 3 | 4 | 3 | 4 |
2008 Mercedes-Benz M-Class repairs by problem area
Engine (39%)
Transmission and Drivetrain (5%)
Brakes and Traction Control (3%)
Suspension and Steering (17%)
Electrical and Air Conditioning (27%)
Paint, Rust, Leaks, Rattles, and Trim (2%)
Other (7%)
Chart based on 121 repairs.
2008 Mercedes-Benz M-Class repair cost distribution
$2500+ (4%)
$1000 - $2499 (13%)
$500 - $999 (17%)
$100 - $499 (26%)
< $100 (40%)
Chart based on 95 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2008 Mercedes-Benz M-Class
Engine not specified
| Mercedes-Benz M-Class in Minnesota, United States Oct 2013 - Mar 2017 | |||
| Dec 2013102000 miUS $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. | ||
2008 Mercedes-Benz M-Class 4dr SUV
turbocharged 221hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| Mercedes-Benz M-Class in Ontario, Canada - Dec 2009 | |||
| Dec 200916740 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 201224480 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 201363240 miC $850 | Rear tailgate would not open electrically only manually. Replaced latch and lever mechanism + 2.5 hrs labour. | ||
| Jul 201365340 miC $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 201372900 miC $455 | Fuel cut off solenoid engine error. No output voltage. Solenoid replaced. | ||
| May 201493620 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 201494240 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 2016133700 miC $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 2016158100 miC $368 | Rear Door Sw lockout stuck. Could not open rear windows using rear door switches. Replaced Driver side entire door/window/lock switch. | ||
| Feb 2017161200 miC $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 2017173600 miC $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 2018192820 miC $280 | Engine error code. Replaced 3 cylinder sensor | ||
| Jun 2021253580 miC $850 | Oil Cooler Leak. Replaced gaskets and oil cooler | ||
| May 2022274040 mi | Diesel Emissions recall. Replacement of multip[le sensors, computer programming etc | ||
| Mercedes-Benz M-Class in Alberta, Canada Aug 2010 - Jul 2015 | |||
| Nov 201146060 mi | Power steering pump failed intermittingly while on a 2500kms. trip, very unsafe situation. | ||
| Feb 201249680 mi | Steering shaft coupler to power steering gear seized completely when turning. Very dangerous and a recall is needed as this is common. | ||
| Apr 201466120 miC $460 | Replaced auxiliary battery | ||
2008 Mercedes-Benz M-Class 4dr SUV
turbocharged 215hp 3.0L V6 Diesel 7-speed shiftable automatic AWD
| Mercedes-Benz M-Class in Minnesota, United States Jul 2013 - Jul 2022 | |||
| Aug 201351700 miUS $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 201573000 miUS $15 | The plastic lever for making manual lumbar adjustments on driver's side broke off, with normal use after 8 years. | ||
| Feb 201683000 miUS $300 | Check engine light on. Defective DPF pressure differential sensor. | ||
| Sep 201796000 miUS $275 | 10 year old xenon low beam headlight burned out. Expensive since it is xenon gas bulb, vs traditional bulb or newer LED | ||
| Dec 2021136000 miUS $300 | entire rear tail lamp assembly needed replaced as electrial connectors were corroded and unable to be cleaned | ||
| Jul 2022141000 miUS $1200 | Rear shocks replaced, leaking. Original equipment about 14 years old. | ||
| Mercedes-Benz M-Class in South Carolina, United States Nov 2012 - Dec 2015 | |||
| May 201360000 miUS $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 201262000 miUS $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 201266000 miUS $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 Oregon, United States Jan 2014 - Sep 2014 | |||
| Feb 201484000 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 201484000 miUS $1400 | Replaced both front struts. Left one was blown. Replaced cabin filter. Aligned. Changed oil (synthetic). Fixed tire sensors. | ||
| Aug 201494000 miUS $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 201494000 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 Alberta, Canada Nov 2014 - Dec 2017 | |||
| Jan 201684760 miC $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 201695220 miC $122 | Right front wheel bearing was noisy. Replaced bearing with new bearing. Part cost $121.70. | ||
| Dec 2016105245 miC $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 2017112271 miC $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 Pennsylvania, United States Dec 2016 - Jan 2018 | |||
| Oct 2017141000 miUS $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 California, United States Jan 2021 - Jun 2022 | |||
| Feb 202180000 miUS $800 | Rear brakes | ||
| Jun 202287000 miUS $400 | Confusing app | ||
| Mercedes-Benz M-Class in Ontario, Canada - Apr 2008 | |||
| Apr 20087440 mi | Warranty - Replaced driver's side mirror electric motor - was making small noise | ||
| Mercedes-Benz M-Class in Louisiana, United States Feb 2015 - Dec 2018 | |||
| Feb 201687900 miUS $900 | Faulty glow plug | ||
| May 201689600 miUS $550 | Trunk latch failed | ||
| Mercedes-Benz M-Class in Utah, United States Aug 2010 - Mar 2012 | |||
| Oct 201033000 mi | Left rear seat cushion doesn't fold forward. Bad latch. | ||
| Nov 201035000 mi | Replaced left rear seat cushion latch mechanism. | ||
| Mar 201140000 mi | Driver side outside mirror inop, tech found wire had come unplugged. Re-plugged wire and voila', it works again. | ||
| Nov 201150000 mi | Squeak from rear suspension. Bad ball joints. Replaced but had to keep car overnight. Dealer provided loaner. | ||
| Mercedes-Benz M-Class in Texas, United States Nov 2014 - Jan 2015 | |||
| Jan 2015US $1200 | faulty oil level sensor Electronic key failure | ||
| Mercedes-Benz M-Class in Ontario, Canada Sep 2011 - Mar 2018 | |||
| May 201237020 mi | rear hatch latch replaced | ||
| Feb 201573780 mi | replace engine oil cooler gasket | ||
| Jun 201579360 miC $700 | Drivers signal light not working. Tail light seals leaking & replaced. Electrical control module replaced due to moisture damage. | ||
| Sep 201696720 miC $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 201699820 miC $2000 | replace crankcase vent valve assembly replace intake servo motor replace upper radiator hose | ||
| Jan 201743700 miC $600 | replaced leaking fuel filter loss of power / check engine light on faulty differential pressure sensor | ||
| Dec 2017118420 miC $1100 | replaced pads & rotors | ||
| Mercedes-Benz M-Class in Maryland, United States Jul 2011 - Sep 2013 | |||
| Aug 201169000 miUS $1470 | Intake runner flap motor and related parts. Car was in Limp mode and shifting badly because of that. | ||
| Sep 201170000 miUS $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 May 2011 - Sep 2014 | |||
| Sep 201363240 mi | did not cool I do not know what parts changed | ||
| Mercedes-Benz M-Class in Ontario, Canada Mar 2012 - Mar 2013 | |||
| Mar 201385560 mi | Engine leaked 1L per week from rear main seal. 5k in repairs | ||
| Mercedes-Benz M-Class in Maine, United States Aug 2010 - Mar 2015 | |||
| Sep 201022000 mi | wheel sensor replaced. | ||
| Jul 201458300 mi | rear main seal and turbo seal replaced, apparently common the service manager said | ||
| Mar 201563000 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). | ||
2008 Mercedes-Benz M-Class 4dr SUV
382-horsepower 5.5L V8 7-speed shiftable automatic AWD
| Mercedes-Benz M-Class in Manitoba, Canada Mar 2012 - Jun 2022 | |||
| Apr 201240700 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 201350840 miC $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 201457660 miC $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 201665720 miC $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 201888040 miC $5500 | needed new rear shocks, oil filter seal leakage, front driver side light - full unit replaced as it leaked and sustained water damage. | ||
2008 Mercedes-Benz M-Class 4dr SUV
268-horsepower 3.5L V6 7-speed shiftable automatic AWD
| Mercedes-Benz M-Class in South Carolina, United States Sep 2010 - Aug 2011 | |||
| Nov 201021000 mi | loud noise from power steering system. belt actuator replaced. | ||
| Mercedes-Benz M-Class in New York, United States Aug 2010 - Jan 2011 | |||
| Oct 201062000 mi | Ball joint | ||
| Dec 201068000 miUS $125 | Oil cover for cams leaked oil. | ||
| Mercedes-Benz M-Class in Taiwan Mar 2011 - Oct 2014 | |||
| Mar 201212400 mi | Parktronic Sensor failed. Another Parktronic Sensor failed. | ||
| Jun 201213020 mi$250 | Another 2 parking sensors failed (PTS). One in front and another in rear. | ||
| Sep 201316120 mi$550 | Coolant leaking from Water pump. New water pump replaced. | ||
| Oct 201316220 mi | ESP malfunction. Replaced steering wheel angle sensor. | ||
| Mar 201417112 mi$100 | Engine checked and replaced a new solenoid. Engine Check, replaced a new solenoid. | ||
| Sep 201418600 mi$400 | Fuel pump failure. Replaced new fuel pump. | ||
| Mercedes-Benz M-Class in California, United States Dec 2010 - Nov 2016 | |||
| Jan 201131000 mi | Cam seal oil leak repaired. new seal installed | ||
| May 201451300 mi | Strut was leaking and replaced | ||
| Mercedes-Benz M-Class in Kansas, United States Dec 2013 - Nov 2017 | |||
| Aug 201466000 miUS $700 | Rear spring broke, replaced both,4hrs of labor. took 2 days for replacement springs to arrive from discount part broker. | ||
| May 201680000 miUS $300 | Access pulley and belt was close to failing | ||
| Mercedes-Benz M-Class in Maryland, United States May 2013 - Jun 2018 | |||
| Jul 201590000 miUS $62 | replaced tailight wiring harness | ||
| Nov 2015100700 miUS $175 | Wiper fuses. I think relays and other electronic parts and tracing thereof were also necessary. | ||
| Jan 2018120005 miUS $250 | thermostat | ||
| Mercedes-Benz M-Class in California, United States Mar 2011 - Aug 2021 | |||
| Dec 201483000 miUS $1000 | leaking gasket New front tires Oil change engine air filter | ||
| Aug 2016111000 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 2017120000 miUS $120 | Replaced rear brake light assembly and wiring harness | ||
| Mercedes-Benz M-Class in Georgia, United States Apr 2014 - Jun 2022 | |||
| Jun 201446000 mi | Repeated intermittent failure of left rear brake light. Wiring connection was melted. Entire component wiring harness replaced. Under warranty. | ||
| Jan 201666800 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. | ||
| Apr 201779000 miUS $766 | repaired small oil leak @ rear of engine (parts #'s: 272-010-06-31 / 000-998-65-90 / 000-998-56-90) | ||
| Jan 201883000 miUS $2300 | Replaced worn lower control arms (left & right). | ||
| Mercedes-Benz M-Class in California, United States May 2012 - Jun 2012 | |||
| Jun 201231000 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 California, United States Feb 2011 - Mar 2015 | |||
| May 201280700 miUS $100 | Rear hatch latch replaced | ||
| Oct 201284800 miUS $600 | Front passenger side ride adjustment | ||
| Jul 201398300 miUS $100 | Fan belt broke | ||
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