2010 Mercedes-Benz C-Class Mercedes-Benz C-Class 2010

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2010 Mercedes-Benz C-Class repairs by problem area

Engine (18%)

Transmission and Drivetrain (8%)

Brakes and Traction Control (5%)

Suspension and Steering (13%)

Electrical and Air Conditioning (38%)

Paint, Rust, Leaks, Rattles, and Trim (10%)

Other (9%)

Chart based on 120 repairs.
See TSBs and recalls for the 2010 Mercedes-Benz C-Class.

2010 Mercedes-Benz C-Class engine repair cost distribution

$2500+ (5%)

$1000 - $2499 (10%)

$500 - $999 (14%)

$100 - $499 (29%)

< $100 (43%)

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

Chart based on 21 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2010 Mercedes-Benz C-Class 4dr Sedan

451-horsepower 6.2L V8 7-speed shiftable automatic RWD

16000 mi Minor engine miss; also $500 to replace broken fog light 

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2010 Mercedes-Benz C-Class 4dr Sedan

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

42120 mi

C $160
Thermostat seems to be affecting lots of customers…. 

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2010 Mercedes-Benz C-Class 4dr Sedan

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

137000 mi

US $3000
Engine Mounts needed to be replaced because you could feel vibration while driving. Once repaired car was noticeably smoother. 
58000 mi

US $80
Check engine light- misfire cylinder 3. Spark plugs changed. Check engine light cleared. 
95000 mi

US $550
Ignition switch malfunction. 
103000 mi

US $730
Replaced the thermostat 
65100 mi

US $400
Replaced bad thermostat and housing. 
39000 mi Check engine light lit and they performed software update on engine control unit. 
43200 mi PURGE VALVE STIKY OPEN CAUSING LEAK IN EVAP SYSTEM, REPLACED THE PURGE VALVE 
7000 mi On cold start up the engine sounds as though there is a bearing clearance problem between the crank and front main bearing. Shop could not replicate nor hear the issue. I advised we would know when the bearing spins. 
58000 mi

US $90
Sluggish acceleration 
71000 mi

US $300
The 2nd exhaust resonater caused excessive restriction to the flow of the exhaust. Black and plugged up. Upon switching out to an aftermarket high flow dual resonator the vehicle definitely ran better. This was described earlier with the last maintenance. 

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2010 Mercedes-Benz C-Class 4dr Sedan

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

44020 mi

C $200
High pitch noise coming from accessory drive upper pulley. Replaced Pulleys, belt, and belt tensioner as a precaution. 
40000 mi low coolant level due to extreme cold weather 
52000 mi

US $1780
Replaced left upstream O2 sensor. 
58000 mi

US $1
Replaced air pump, which was making a noise. 
95600 mi

US $747
purge valve 

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2010 Mercedes-Benz C-Class 4-door

turbocharged 4-cylinder automatic 2WD

83700 mi

€170
Temperature sensor failed causing an over temperature warning to occur. Sensor replaced 
84940 mi Loss of coolant, small leak from RHS engine component (sorry don't know name). Two gaskets replaced 12€ labour 130€ antifreeze 10€ 
86180 mi

€415
Leak from water pump, therefore water pump was replaced 

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2010 Mercedes-Benz C-Class 4-door

6-cylinder automatic AWD

65720 mi

C $1000
Intake manifold needed replacing. Variable length runner malfunction for left cylinder bank. Loud engine noise past 3900rpm, loss of power. NO check engine light or codes present. Car driveable keeping under 3900rpm. 

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2010 Mercedes-Benz C-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 2010 Mercedes-Benz C-Class problems occur, check out our car reliability stats.