2011 Mercedes-Benz M-Class Mercedes-Benz M-Class 2011

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2011 Mercedes-Benz M-Class repairs by problem area

Engine (50%)

Transmission and Drivetrain (0%)

Brakes and Traction Control (0%)

Suspension and Steering (3%)

Electrical and Air Conditioning (44%)

Paint, Rust, Leaks, Rattles, and Trim (0%)

Other (3%)

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Chart based on 34 repairs.
See TSBs and recalls for the 2011 Mercedes-Benz M-Class.

2011 Mercedes-Benz M-Class repair cost distribution

$2500+ (10%)

$1000 - $2499 (10%)

$500 - $999 (10%)

$100 - $499 (13%)

< $100 (57%)

Chart based on 30 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten 2011 Mercedes-Benz M-Class repair histories. Log in or join us to see them all.

2011 Mercedes-Benz M-Class 4dr SUV

turbocharged 228hp 3.0L V6 Diesel 7-speed shiftable automatic AWD w/low range

Mercedes-Benz M-Class in Ontario, Canada
Dec 2014 - Sep 2017
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 

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2011 Mercedes-Benz M-Class 4dr SUV

turbocharged 228hp 3.0L V6 Diesel 7-speed shiftable automatic AWD

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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2011 Mercedes-Benz M-Class 4dr SUV

turbocharged 210hp 3.0L V6 Diesel 7-speed shiftable automatic AWD

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 Minnesota, United States
Sep 2016 - Sep 2017
Apr 2017

60000 mi

US $150
Replace tailgate struts 
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 

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2011 Mercedes-Benz M-Class 4dr SUV

503-horsepower 6.2L V8 7-speed shiftable automatic AWD

Mercedes-Benz M-Class in British Columbia, Canada
Dec 2016 - Jul 2017
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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2011 Mercedes-Benz M-Class 4dr SUV

268-horsepower 3.5L V6 7-speed shiftable automatic AWD

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 Pennsylvania, United States
Dec 2014 - Jun 2017
Jan 2015

47300 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 
Mercedes-Benz M-Class in New Jersey, United States
Dec 2013 - May 2016
Jan 2013

19000 mi

US $1
New Comand Screen 
May 2016

65000 mi

US $500
Mercedes-Benz M-Class in Sweden
Jan 2015 - Jun 2017
May 2015

15860 mi
Door lock actuator passenger side was not working 

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2011 Mercedes-Benz M-Class Repair Histories

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2011 Mercedes-Benz M-Class problems occur, check out our car reliability stats.