

Engine (38%)
Transmission and Drivetrain (2%)
Brakes and Traction Control (15%)
Suspension and Steering (15%)
Electrical and Air Conditioning (26%)
Paint, Rust, Leaks, Rattles, and Trim (4%)
Other (1%)
$2500+ (1%)
$1000 - $2499 (6%)
$500 - $999 (16%)
$100 - $499 (39%)
< $100 (38%)
Engine not specified
Mercedes-Benz M-Class in California, United States Jan 2015 - Feb 2015 | |||
Feb 2015148000 mi | Car wont shift to high gear. Diagnosed bad transmission. Ended up changing the trasmission |
Mercedes-Benz M-Class in British Columbia, Canada Sep 2009 - Mar 2010 | |||
Oct 200997340 miC $450 | Auto door locks not functioning properly. |
Mercedes-Benz M-Class in California, United States Feb 2011 - Apr 2011 | |||
Apr 2011152000 miUS $400 | power steering fixed; part of it was cracked and was leaking fluid leak in the air conditioning system fixed |
268-horsepower 4.3L V8 5-speed shiftable automatic AWD w/low range
Mercedes-Benz M-Class in British Columbia, Canada Sep 2012 - Dec 2013 | |||
Dec 201299820 miC $150 | Bose mcs no audio Rear wiper stopped working | ||
Feb 2013100720 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 2013104780 miC $125 | Cracked catalytic convertor Oil leaks from oil filter housing, noisy idler pulley |
Mercedes-Benz M-Class in New York, United States Oct 2013 - Feb 2014 | |||
Jan 2014US $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. |
215-horsepower 3.2L V6 5-speed shiftable automatic AWD w/low range
Mercedes-Benz M-Class in Alabama, United States Mar 2014 - Apr 2015 | |||
Apr 2015211000 miUS $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 2012111000 miUS $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 2011109120 miR 3000 | Vehicle got stuck in 1st gear. Had to replace electronics in gearbox. |
Mercedes-Benz M-Class in Alabama, United States Dec 2013 - Dec 2014 | |||
Jul 2014186000 miUS $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 2009105000 miUS $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 2010108000 miUS $380 | EGR valve bad | ||
Nov 2010108900 miUS $300 | brake front rotors pads and rebuilt calipers | ||
Jan 2011109300 miUS $883 | brake lines replaces from ABS control to rear calipers | ||
Jul 2011111000 miUS $185 | no start/ hot engine intermittent. Replaced Crankshaft Position Sensor. | ||
Feb 2012113000 miUS $400 | deteriorated hydraulic lines on steering rack. | ||
Mar 2012113000 mi | replace window switch module |
Mercedes-Benz M-Class in Illinois, United States Jun 2014 - Dec 2014 | |||
Sep 2014132000 miUS $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 201498000 miUS $217 | replaced the belt tensioner |
Mercedes-Benz M-Class in Sweden Mar 2011 - Jan 2022 | |||
May 2011124620 mi | Fuel pump worn and not working. I hade to replace it. It was easy to replace after some research on internet. | ||
Oct 2011130200 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 2014136640 mi | I had to change the ETS unit. | ||
Apr 2014147140 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 Florida, United States Jan 2011 - Apr 2017 | |||
May 2014119000 miUS $200 | Power steering pump leaking. R & R pump. Also replaced serpentine belt. |
Mercedes-Benz M-Class in Virginia, United States Nov 2009 - Dec 2012 | |||
Nov 2011127000 miUS $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 2012134300 mi | All Activity module replaced; car totally dead, no electrical power coming into circuit 15 | ||
Aug 2012136800 miUS $428 | Brake booster replacement |
Mercedes-Benz M-Class in California, United States Aug 2009 - Jun 2022 | |||
Mar 201037000 miUS $20 | Cracking idler pulley (still usable), replace along with tensioner and belt as preventative maintenance | ||
May 201443000 mi | AC system not getting cold, recharged it with R-134a |
Mercedes-Benz M-Class in South Australia, Australia Dec 2009 - Jul 2022 | |||
Jan 201189280 miA $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 201193000 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 201199200 miA $147 | nil operation, regassed, diagnosed tx valve unservicable, replaced tx valve and receiver drier. | ||
Mar 2014122140 miA $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 Washington, United States Mar 2010 - Mar 2015 | |||
May 2010103300 miUS $45 | Failing crankshaft position sensor | ||
Oct 2011113000 miUS $250 | Battery replacement, corrosion on battery tray required cleanup & repainting | ||
Nov 2011113300 miUS $500 | Replaced failing water pump. Preventively replaced serpentine belt and idler pulley. | ||
Oct 2014125300 miUS $200 | Rf brake seized |
Mercedes-Benz M-Class in Michigan, United States Mar 2010 - Jan 2014 | |||
Jan 2011120000 miUS $225 | Brake Light Switch broken, controls brake lights and cruise control. | ||
May 2011125500 miUS $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 2013154000 miUS $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 2013156800 miUS $700 | Needed new springs. | ||
Jan 2014161000 mi | Quite a bit of a rust problem underway. |
Mercedes-Benz M-Class in California, United States Aug 2009 - Sep 2015 | |||
Sep 2009122000 miUS $120 | Drivers side outer tie rod end is worn out. Needs replacement. Part ordered online for $49 plus shipping | ||
Dec 2009124000 miUS $59 | Crank Shaft Positioning sensor failed causing preventing the engine from starting. | ||
Jun 2010132000 mi | repaired EGR valve | ||
Feb 2014150600 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 2014153300 miUS $100 | Replaced battery | ||
Dec 2014154000 miUS $60 | Passenger high beam bulb out. Replaced high and low bulbs | ||
Apr 2015157700 miUS $250 | Passenger side front for lock malfunctioned and car lock system stopped working. Had to replace the entire lock assembly. |
turbocharged 5-cylinder diesel automatic AWD
Mercedes-Benz M-Class in Finland Jun 2010 - Apr 2016 | |||
Jul 201099820 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 2010101520 mi€1200 | New intake manifold installed. cooler liquid expansion tank replaced | ||
Dec 2010109740 mi | Driver seat right side rail failed near adjustment piece. Fixed. | ||
Mar 2011115320 mi | Diagnosis for worn out wiper blade motor. Failure propably due to trying to use wipers when blades were frozen stuck to windscreen. | ||
Oct 2011128000 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 2012143840 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 2012149420 mi€50 | Car felt a little bit restless while cornering. After replacement goes like on rails. | ||
Jun 2013168640 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 2013175640 mi€120 | Crankshaft sensor misbehaving. Car wouldn't start. | ||
Apr 2014185560 mi€300 | Thermostat stuck, nearly no heat to cabinet, replaced | ||
Sep 2014195920 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 2014200260 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 2015203980 mi | HVAC fan motor died. Replaced with aftermarket part. | ||
Mar 2015204600 mi€80 | BAS, ETS, ABS lights on constantly. ABS pump motor brushes worn out. Brushes changed, modified from a small hand tool brushes. | ||
Jun 2015209560 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. |
8-cylinder automatic AWD
Mercedes-Benz M-Class in Oregon, United States Aug 2009 - Dec 2009 | |||
Dec 2009115000 miUS $600 | oil light came on. Oil was very low and had to be added. Oil leak. |
6-cylinder automatic 4WD
Mercedes-Benz M-Class in Ontario, Canada Oct 2009 - Mar 2010 | |||
Dec 2009145700 miC $1800 | front-end suspension (tie-rods, ball joints, etc.) |