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2003 Mercedes-Benz M-Class Problems and Repair Histories

24 TrueDelta members own a 2003 Mercedes-Benz M-Class. 6 of these members (25%) have reported repairs for their car. A total of 10 repairs to 2003 Mercedes-Benz M-Classes--an average of 0.4 per vehicle--have been reported.

See our lemon odds and nada odds page for more details. To see how frequently 2003 Mercedes-Benz M-Class problems occur, check out our car reliability stats.

Want to read about specific problems behind these stats? Jump to the 2003 Mercedes-Benz M-Class problem descriptions below.

Don't infer 2003 Mercedes-Benz M-Class problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.

Percentage of 2003 Mercedes-Benz M-Class repairs by problem area

30% of the 2003 Mercedes-Benz M-Class repairs were to the engine, 40% to the suspension, and 30% to the electrical or air-conditioning systems.

Chart based on 10 repairs.

2003 Mercedes-Benz M-Class repair cost distribution

Of the 2003 Mercedes-Benz M-Class repairs that were not covered by warranty and were not do-it-yourself repairs, 33% cost between $100 and $499, 33% between $500 and $999, and 33% between $1000 and $2499.

Chart based on 6 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 2003 Mercedes-Benz M-Class problems and repair histories. Log in or join us to see them all.
Repair costs are in local units.

2003 Mercedes-Benz M-Class 4dr SUV

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

Mercedes-Benz M-Class in California, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
0 Power Steering hose burst. Covered by factory under unwritten part specific warranty. 
Mercedes-Benz M-Class in California, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Jun 2012 92000    
98000 1900 Valve cover gaskets leaking oil and needed replaced. Engine mounts worn out and needed replaced. 
105000 1100 Torsion bar bearing broke, when replacing the bearing the captive nut on torsion bar cage had welds break loose and didn't allow torsion bolt to be loosened or tightened. Had to replace whole torsion bar assembly. 

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2003 Mercedes-Benz M-Class 4dr SUV

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

Mercedes-Benz M-Class in North Dakota, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Dec 2011 114000    
114000 600 Defrost airflow was weak to windshield...flaps were not opening fully. I believe a part of the linkage was replaced. 

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2003 Mercedes-Benz M-Class 4dr SUV

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

Mercedes-Benz M-Class in California, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Jun 2012 95000    
104000 450 Replaced radiator for the second time. As it was only 20 months, only paid for part. 
109000 475 Power steering pump, hoses, etc. There was a recall but vehicle had passed the acceptable date. 
Mercedes-Benz M-Class in Ontario, Canada
Date Odometer
(in miles)
Cost Problem/Repair Description
Jun 2012 79360    
80600 475 Engine was stalling. System check found internal resistance on the crank sensor was 1200 OHMS (too high. Sender unit was replaced. 

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2003 Mercedes-Benz M-Class 4-door

turbocharged 4-cylinder diesel automatic 4WD

Mercedes-Benz M-Class in Great Britain
Date Odometer
(in miles)
Cost Problem/Repair Description
Dec 2012 80000    
89000 0 Took for mot, broken rear spring found. 
91000 75 Replaced battery 
86000  

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