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Mercedes-Benz C-Class Problems and Repair Histories

956 TrueDelta members own a 2000 or newer Mercedes-Benz C-Class. 343 of these members (35.9%) have reported repairs for their car. A total of 855 repairs to Mercedes-Benz C-Classes--an average of 0.9 per vehicle--have been reported.

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

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

Don't infer Mercedes-Benz C-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 Mercedes-Benz C-Class repairs by problem area

29% of the Mercedes-Benz C-Class repairs were to the engine, 6% to the transmission, 7% to the brakes, 10% to the suspension, 30% to the electrical or air-conditioning systems, 13% to the body and trim, and 6% to other areas of the vehicle.

Chart based on 855 repairs.

Mercedes-Benz C-Class repair cost distribution

Of the Mercedes-Benz C-Class repairs that were not covered by warranty and were not do-it-yourself repairs, 7% cost less than $100, 39% between $100 and $499, 28% between $500 and $999, 22% between $1000 and $2499, and 4% more than $2500.

Chart based on 256 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 Mercedes-Benz C-Class problems and repair histories. Log in or join us to see them all.
Repair costs are in local units.

2008 Mercedes-Benz C-Class 4dr Sedan

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

Mercedes-Benz C-Class in Connecticut, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Sep 2007 0    
2000 0 key stopped working, dealer ordered new key 
 
Mercedes-Benz C-Class in California, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Aug 2007 0    
0 Volume on TeleAid is too loud. 
2000 0 Other than standard intro maintence, we noticed a rattle in what appears to be the exhaust only when cold and first started. Dealer could not find, so we will get together with the chief mechanic after the holidays. 
13000 0 We began to notice a shifting problem as the car which has gotten worse as the mileage increased. It would "stick" or not downshift quickly. The software upgrades were installed via the MB network to the car and this improved the problem. MPG increased! The Sunroof squeaks loudly when first opened in the vent position. Dealer had completely lubed and checked out the problem via the motor etc.. but can't rep'. 2nd trip on this. We will record the noise and location. 
 

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2008 Mercedes-Benz C-Class 4dr Sedan

228-horsepower 3.0L V6 7-speed shiftable automatic AWD

Mercedes-Benz C-Class in Ohio, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Feb 2008 0    
0 Replaced both rear calipers due to excessive right rear brake dust. 
0 Fixed rattle in rear deck that was the center seatbelt, fixed left sideview mirror for vibration. 
 
Mercedes-Benz C-Class in Ontario, Canada
Date Odometer
(in miles)
Cost Problem/Repair Description
Aug 2007 0    
1240 0 Heated seats and rear sunshade not working, loose connector. 
4960 0 Heater fan not working from time to time. Replaced heater motor. 
 
Mercedes-Benz C-Class in Ontario, Canada
Date Odometer
(in miles)
Cost Problem/Repair Description
Nov 2007 0    
4960 0 HVAC blower motor freezes in cold weather. Waiting for permanent repair procedure from factory. 
12400 0 HVAC blower motor freezes in cold weather. They now say they have repaired it using procedure from factory. Will not know if fixed or not until weather drops below -10C again.  
 

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2005 Mercedes-Benz C-Class 4dr Sedan

supercharged 189hp 1.8L I4 5-speed shiftable automatic RWD

Mercedes-Benz C-Class in Florida, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Dec 2007 49000    
53000 0 Replace psv hose on supercharger. 
57000 150 Cam magnet sensor leaking. 
84000 100 Thermostat 
98000 25 Transmission Adapter Plug Leaking 
128000 1200 Alternator Replaced 
 
Mercedes-Benz C-Class in Arizona, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Oct 2007 54000    
57000 0 Transmission leak. Alarm wire had been loose so the alarm was having issues. It took two trips but issue was finally resolved. 
61000 0 Vacuum hose bulletin, with some seals. Recurring alarm problem, repaired for the third time. 
86000 0 This was a recurring alarm issue. This will be the fifth repair for this issue. 
90000 0 The alternator bearing started to make a lot of metallic grinding noises. The alternator was replaced and the problem was corrected. One of the passenger front lower control arm bushings started to leak. It was replaced and the problem was resolved. 
 
Mercedes-Benz C-Class in Georgia, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
1800 Warranty. MB replaced the cabin carpet entirely after it began to discolor. No other repairs. 
41000 0 Driver's seat pan stitching came loose at a wear point (bolster). M-B replaced @ no cost. 
67000 0 M-B dealer replaced the transmission control module. Persistent reports of sluggish shifting on the SSk variant apparently prompted this. Appears to be the subject of a TSB or "for cause" event. Replaced at no charge to us, while in for an oil change. 
90000 0 Cover for driver seat motors has failed and come loose from chassis. 
103000 435 Seat trim on the driver power seat had broken where it covers the power rack. Replaced the cover. 
112000 250 Seat pan trim failed again. In addition, dealer said trim would fail because seat springs were broken (sic). Instructed my 130# wife to stop jumping on seat (LOL). Fired the dealer (RBM Atlanta). 
150000  

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2005 Mercedes-Benz C-Class 2dr Hatch

supercharged 189hp 1.8L I4 6-speed manual RWD

Mercedes-Benz C-Class in District of Columbia, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
0 replace brake pads under warranty -- squeaking, early wear 
0 adjust rear hatch -- was rubbing against bootlid, leading to small crack in clearcoat 
21000 0 CEL light came on, diagnostic was coolant thermostat needed replacement. Part ordered from Germany, arrived a week later, car now fixed (1+1 days total) Installed new thermostat. 
24000 0 Driver's seat mechanism replaced -- driver's seat could not be opened for rear passengers. 
24000 0 AC regulator replaced under warranty. 
32000 350 Driver window rattle repaired by disassembling, tightening, and reassembling driver's door.  
 

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2003 Mercedes-Benz C-Class

Engine not specified

Mercedes-Benz C-Class in Maryland, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Feb 2008 80000    
82000 0 Engine idle and drive fluctuating. 
 

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