2009 Mercedes-Benz C-Class Mercedes-Benz C-Class 2009

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2009 Mercedes-Benz C-Class repairs by problem area

Engine (19%)

Transmission and Drivetrain (5%)

Brakes and Traction Control (5%)

Suspension and Steering (6%)

Electrical and Air Conditioning (43%)

Paint, Rust, Leaks, Rattles, and Trim (11%)

Other (10%)

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Chart based on 171 repairs.
See TSBs and recalls for the 2009 Mercedes-Benz C-Class.

2009 Mercedes-Benz C-Class transmission repair cost distribution

$2500+ (22%)

$1000 - $2499 (22%)

$500 - $999 (22%)

$100 - $499 (11%)

< $100 (22%)

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

Chart based on 9 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2009 Mercedes-Benz C-Class 4dr Sedan

supercharged 181hp 1.8L I4 5-speed shiftable automatic RWD

42560 mi

$700
Auto trans did not provide usual creep-forward behaviour at idle and sluggish response at lower RPM. The computer may have been reflashed. 

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2009 Mercedes-Benz C-Class 4dr Sedan

supercharged 154hp 1.6L I4 6-speed manual RWD

49600 mi

$3000
Oil in the transmission. Oil gasket required changing. 

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2009 Mercedes-Benz C-Class 4dr Sedan

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

46500 mi Transfer case (4matic) whining noise. I was told that bearings were shot. Due to the fact that transfer case is integral part of transmission housing the whole thing had to be replaced, luckily under warranty. 7G transmission cost $6500! 

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2009 Mercedes-Benz C-Class 4dr Sedan

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

36700 mi Transmission behaving oddly (longer than normal lag into reverse, delayed 2>3 upshift). Dealer reprogramed w/ TSB guidance and problem hasn't been occured again. 

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2009 Mercedes-Benz C-Class 4dr Sedan

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

197000 mi

US $2800
Replace transfer box 
213200 mi

US $2200
Left front axle & boots 
49000 mi

US $800
007603 012102 O Parking Lever Cup (Seal) leaking transmission fluid. 013 997 7246 Transmission case seal leaking transmission fluid. 
29760 mi

C $400
transfer case oil leak 
60300 mi

US $1000
There was oil leak that I was told was normal "wear and tear" for the 4matic. And cannot be covered by my extended warranty. 

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See TrueDelta's information for all Sedans, Wagons, Coupes, and Convertibles.
See TrueDelta's information for all Mercedes-Benz models.

2009 Mercedes-Benz C-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 2009 Mercedes-Benz C-Class problems occur, check out our car reliability stats.