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

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2011 Mercedes-Benz M-Class repairs by problem area

Engine (53%)

Transmission and Drivetrain (3%)

Brakes and Traction Control (0%)

Suspension and Steering (3%)

Electrical and Air Conditioning (40%)

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

Other (3%)

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Chart based on 40 repairs.
See TSBs and recalls for the 2011 Mercedes-Benz M-Class.

2011 Mercedes-Benz M-Class engine repair cost distribution

$2500+ (17%)

$1000 - $2499 (6%)

$500 - $999 (11%)

$100 - $499 (22%)

< $100 (44%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 18 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

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 

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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. 

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2011 Mercedes-Benz M-Class 4dr SUV

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

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 
63000 mi

US $3000
Oil cooler leak 
160000 mi

US $120
timing chain Replaced timing chain 

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2011 Mercedes-Benz M-Class 4dr SUV

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

68000 mi

US $479
Replaced an oxygen sensor and oil change 
47300 mi Thermostat failure 
77200 mi

US $500
Thermostat 

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See TrueDelta's information for all Mercedes-Benz models.

2011 Mercedes-Benz M-Class Engine Problems

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.