2003 Mercedes-Benz M-Class Mercedes-Benz M-Class 2003

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2003 Mercedes-Benz M-Class repairs by problem area

Engine (20%)

Transmission and Drivetrain (10%)

Brakes and Traction Control (5%)

Suspension and Steering (34%)

Electrical and Air Conditioning (32%)

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

Other (0%)

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Chart based on 41 repairs.
See TSBs and recalls for the 2003 Mercedes-Benz M-Class.

2003 Mercedes-Benz M-Class engine repair cost distribution

$2500+ (0%)

$1000 - $2499 (43%)

$500 - $999 (14%)

$100 - $499 (43%)

< $100 (0%)

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

Chart based on 7 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2003 Mercedes-Benz M-Class 4dr SUV

342-horsepower 5.4L V8 5-speed shiftable automatic AWD w/low range

105000 mi

US $950
Replace radiator. 

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2003 Mercedes-Benz M-Class 4dr SUV

288-horsepower 5.0L V8 5-speed shiftable automatic AWD w/low range

97500 mi

US $1900
Valve cover gaskets leaking oil and needed replaced. Engine mounts worn out and needed replaced. 
169000 mi

US $1200
Replacing crankshaft position 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

220000 mi

US $200
Radiator replaced,  along with belt tensioner and idler 

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2003 Mercedes-Benz M-Class 4dr SUV

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

80600 mi

C $475
Engine was stalling. System check found internal resistance on the crank sensor was 1200 OHMS (too high. Sender unit was replaced. 
104000 mi

US $450
Replaced radiator for the second time. As it was only 20 months, only paid for part. 

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2003 Mercedes-Benz M-Class 4-door

turbocharged 5-cylinder diesel automatic 4WD

128960 mi

€2000
fuel admision problems and intermittent problems to start the engine replacement of fuel pipes, cleaning of admission system and installation of a fuel anti return system in the pipe from tank to engine 

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

2003 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 2003 Mercedes-Benz M-Class problems occur, check out our car reliability stats.