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

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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%)

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Chart based on 868 repairs.
See TSBs and recalls for the Mercedes-Benz M-Class.

Mercedes-Benz M-Class transmission repair cost distribution

$2500+ (14%)

$1000 - $2499 (18%)

$500 - $999 (25%)

$100 - $499 (7%)

< $100 (36%)

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Chart based on 44 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2013 Mercedes-Benz M-Class 4dr SUV

turbocharged 402hp 4.7L V8 7-speed shiftable automatic AWD

80000 mi

US $500
Fluid change. 

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2013 Mercedes-Benz M-Class 4dr SUV

turbocharged 255hp 3.0L V6 Diesel 7-speed shiftable automatic AWD w/low range

25420 mi Oil seal leak 

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2013 Mercedes-Benz M-Class 4dr SUV

turbocharged 255hp 3.0L V6 Diesel 7-speed shiftable automatic AWD

21700 mi Car went into limp mode and car had to be towed in for inspection. No fault found after several days of testing. 

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2013 Mercedes-Benz M-Class 4dr SUV

turbocharged 240hp 3.0L V6 Diesel 7-speed shiftable automatic AWD

Check engine code indicated problem with torque converter. Torque converter was replaced under warranty. 

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2013 Mercedes-Benz M-Class 4dr SUV

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

33400 mi Leaky front differential 

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2012 Mercedes-Benz M-Class 4dr SUV

turbocharged 240hp 3.0L V6 Diesel 7-speed shiftable automatic AWD

33700 mi Blown gasket; plus a second transmission oil leak 
7500 mi Clamp holding boot came loose and leaked grease on nearby parts. Clamp re-installed and repaired as warranty item. No apparent damage to C-V joint assembly from loss of grease. 

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2012 Mercedes-Benz M-Class 4dr SUV

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

73000 mi

US $604
replace drive shaft rear flex disc - parts $206.25, labor $256.37 

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2011.5 Mercedes-Benz M-Class

Engine not specified

4340 mi Transmission failed catastrophically. Replaced. Sold the vehicle right after as I got fed up of it. 

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2011 Mercedes-Benz M-Class 4dr SUV

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

137000 mi

US $4000
CV boots, rear brakes, new tires 

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2009 Mercedes-Benz M-Class 4dr SUV

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

81000 mi

US $5384
Transfer case input shaft seal replaced and oil replenished $807.84 plus sales tax 

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2008 Mercedes-Benz M-Class 4dr SUV

turbocharged 221hp 3.0L V6 Diesel 7-speed shiftable automatic AWD

93620 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. 

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2008 Mercedes-Benz M-Class 4dr SUV

turbocharged 215hp 3.0L V6 Diesel 7-speed shiftable automatic AWD

96720 mi

C $380
replace transmission pan, gaskets, oil and filter. pan was rusted so did routine service at same time 
56080 mi

C $600
loss of power / check engine light on faulty differential pressure sensor 
141000 mi

US $1000
Took week to get $800 shifting part from Germany re steering wheel.  
94000 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 

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2007 Mercedes-Benz M-Class 4dr SUV

turbocharged 215hp 3.0L V6 Diesel 7-speed shiftable automatic AWD

127000 mi

US $6050
Transfer case broken tensioner 
101700 mi

US $1300
Transmission was repaired 
127000 mi

US $500
Alignment was going to be performed until it was noticed the front boots were leaking. R&R both front CV boots 
74400 mi

C $900
Gear shift stuck 

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2007 Mercedes-Benz M-Class 4dr SUV

302-horsepower 5.0L V8 7-speed shiftable automatic AWD

18600 mi jerky gear change, from 1st to 2nd only 

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2007 Mercedes-Benz M-Class 4dr SUV

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

79700 mi

US $2100
Flywheel replacement - 
64000 mi

US $1100
Replace transmission control unit and fluid. 

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2006 Mercedes-Benz M-Class

turbocharged 6-cylinder diesel automatic 4WD

55800 mi Failed transmission fluid pipe seal 

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2006 Mercedes-Benz M-Class

Engine not specified

86000 mi There was a knocking sound while turning the wheels to the left. 
48980 mi

A $3000
i am already sick with the car. 

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2006 Mercedes-Benz M-Class 4dr SUV

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

84940 mi converter shudder, changed filter, fluid, drained converter, fixed 
50322 mi Transmission Valve body and control module replaced 
53000 mi Replaced front differential 
88000 mi

US $1418
Vehicle on several occasions starts out in high gear from a dead spot making it very difficult to get vehicle up to speed. Dealer determined a fault code of 2767 and replaced internal transmission conductor plate # 000-270-17-00-88, $1020. 
65720 mi

C $2000
Differential replaced 
130000 mi

US $750
Replaced failed front differential bearings 
95000 mi

US $650
Failed speed sensor in conductor plate. Purchased a new conductor plate and installed. 

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2006 Mercedes-Benz M-Class 4-door

turbocharged 6-cylinder diesel automatic AWD

57660 mi Also unexpected automatic gear box hydraulic converter... 

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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 speed turbine sensor 

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2003 Mercedes-Benz M-Class 4dr SUV

232-horsepower 3.7L V6 5-speed shiftable automatic AWD w/low range

168300 mi

US $650
Leaking cooler hoses - replace 
193000 mi

US $125
Drive shaft support bearing 

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2003 Mercedes-Benz M-Class 4dr SUV

215-horsepower 3.2L V6 5-speed shiftable automatic AWD w/low range

99000 mi

US $1300
A leak was noted at a prior oil change with required a replacement of seals. 

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2001 Mercedes-Benz M-Class 4dr SUV

268-horsepower 4.3L V8 5-speed shiftable automatic AWD w/low range

102200 mi

US $4900
Transmission leaking 

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2000 Mercedes-Benz M-Class

Engine not specified

148000 mi Car wont shift to high gear. Diagnosed bad transmission. Ended up changing the trasmission 

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2000 Mercedes-Benz M-Class 4-door

turbocharged 5-cylinder diesel automatic AWD

143840 mi

€800
Connector plate replaced (heat sensor, rotating speed sensor malfunctioning) 

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1999 Mercedes-Benz M-Class

Engine not specified

152000 mi Vibration in transmission and hesitation to shift down at 22mph 
76880 mi

C $2800
CV joints wear out prematurely loud humming noise loud noise 

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1999 Mercedes-Benz M-Class 4-door

8-cylinder automatic AWD

86180 mi

C $500
Transmission gasket leaked. Had gasket replaced, new transmission filter and trans oil change. 

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1999 Mercedes-Benz M-Class 4-door

6-cylinder automatic 4WD

207000 mi

US $500
Replaced a leaking 13 pin transmission connector 

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1998 Mercedes-Benz M-Class

Engine not specified

197500 mi

US $230
Speed sensor fault, transmission sticking in 3rd gear. Replaced conductor plate and connector inside the transmission and cleared fault codes in transmission and ECU. 

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Mercedes-Benz M-Class Transmission 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 Mercedes-Benz M-Class problems occur, check out our car reliability stats.