| 1 | 0 | 3 | 4 | 3 | 4 |
2012 Mercedes-Benz C-Class repairs by problem area
Chart based on 63 repairs.
Chart based on 44 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2012 Mercedes-Benz C-Class
Engine not specified
| Mercedes-Benz C-Class in Trinidad and Tobago Dec 2013 - Jun 2015 | |||
| Jan 2015 $1200 |
Engine Mounts and Transmission Mount replaced. Wipers also replaced. I CANNOT BELIEVE I HAD TO CHANGE ENGINE MOUNTS AT 50K KMS! | ||
2012 Mercedes-Benz C-Class 4dr Sedan
turbocharged 201hp 1.8L I4 7-speed shiftable automatic RWD
| Mercedes-Benz C-Class in Georgia, United States Aug 2013 - Nov 2016 | |||
| Oct 2013 21700 mi |
I identified noise from the turbocharger. Dealer mechanic says it's normal. I'm not sure!!! | ||
| Mercedes-Benz C-Class in Texas, United States Oct 2012 - Jul 2013 | |||
| Dec 2012 18000 mi |
Hood latch was misaligned and right front part of hood moved about one-half inch up and down... distorted speaker | ||
| Mercedes-Benz C-Class in California, United States Jul 2015 - Nov 2016 | |||
| Aug 2015 59700 mi |
High pressure fuel pump failed and was replaced. | ||
| Mercedes-Benz C-Class in California, United States Sep 2014 - Jun 2018 | |||
| Mar 2015 24000 mi |
Left headlight lens developed a hazy section within the plastic outer cover. | ||
| Mercedes-Benz C-Class in Florida, United States Jul 2013 - Oct 2014 | |||
| Oct 2014 40000 mi |
ECU software update | ||
| Mercedes-Benz C-Class in California, United States Feb 2012 - Feb 2014 | |||
| Feb 2014 7200 mi |
Check engine warning light came on and vehicle could only ran 40mph max. System reset itself after 1 day not driving. Diagnosed with low fuel pressure, possibly sensor switch malfunction. Dealer only uploaded vehicle with new updated software. Check Engine light stays on and car would not go above 40 mph. I was so disappointed for Mercedes Benz brand. Car only has 7200 miles. Will post you update after the trip to dealer. | ||
| Mercedes-Benz C-Class in California, United States Dec 2011 - Jul 2015 | |||
| Jun 2013 30000 mi |
Passenger side front window started to make a noise when rolling down. Dealer found something "sticky" had gotten onto it and cleaned it off and it works. | ||
| Dec 2014 59000 mi US $250 |
Battery replaced. | ||
| Mar 2015 60000 mi US $800 |
Cam shaft adjusters needed to be replaced. Car was out of warranty, but dealer and/or MBUSA didn't charge for parts, only labor. | ||
| Apr 2015 60500 mi US $2000 |
Engine malfunction | ||
| Jul 2015 63000 mi |
Traded car because of engine problem that would have cost $3k to fix. | ||
| Mercedes-Benz C-Class in Texas, United States Jan 2016 - Sep 2020 | |||
| Dec 2017 73000 mi |
Driver headrest broke and was flopping. Took it apart and secured some plastic pieces that had broken with screws. Very poor design. | ||
| Mercedes-Benz C-Class in Georgia, United States Jun 2013 - Jun 2017 | |||
| Oct 2013 11000 mi |
Third battery in keyless fob entry. Plan to replace battery every six months. | ||
| Mercedes-Benz C-Class in California, United States Jul 2015 - Nov 2016 | |||
| Feb 2016 51000 mi |
repaired tension guide | ||
| Mercedes-Benz C-Class in California, United States Dec 2011 - Nov 2012 | |||
| Oct 2012 25000 mi |
Fuel pump failing resulting in occasional poor fuel delivery, rough acceleration and check engine light | ||
2012 Mercedes-Benz C-Class 4dr Sedan
481-horsepower 6.2L V8 7-speed shiftable automatic RWD
| Mercedes-Benz C-Class in California, United States May 2012 - Jun 2022 | |||
| Jul 2014 9000 mi |
Battery was not maintaining maximum charges. | ||
| Oct 2017 17000 mi US $600 |
One brake pad sensor replaced Battery replaced | ||
2012 Mercedes-Benz C-Class 4dr Sedan
451-horsepower 6.2L V8 7-speed shiftable automatic RWD
| Mercedes-Benz C-Class in California, United States Dec 2011 - Jan 2020 | |||
| Apr 2015 8000 mi |
Radar unit for blind spot detection fell off, was hanging from a wire behind exhausts. Bracket holding unit was missing, had to be ordered. Was installed and problem resolved. | ||
2012 Mercedes-Benz C-Class 4dr Sedan
302-horsepower 3.5L V6 7-speed shiftable automatic RWD
| Mercedes-Benz C-Class in California, United States Jun 2016 - Jun 2021 | |||
| Jul 2016 43000 mi US $1000 |
The prefuse block was faulty, and vehicle would not start. | ||
| Mercedes-Benz C-Class in Texas, United States Dec 2015 - Apr 2017 | |||
| Aug 2016 54000 mi US $331 |
Hold function stopped working shortly after each start. Diagnosis was a failing battery. Replaced battery and hold function operated normally again. | ||
| Mercedes-Benz C-Class in Illinois, United States Mar 2014 - Apr 2018 | |||
| Feb 2015 37400 mi |
Bluetooth address book adding multiple entries | ||
| Jun 2016 55000 mi US $100 |
Brake caliper was stuck on one pin and caused the right front rotor to get a groove on the back. Replaced both front rotors. | ||
| Mercedes-Benz C-Class in Texas, United States Apr 2012 - Jun 2016 | |||
| Jun 2013 10000 mi |
Engine noise on cold start; sounds like rattling, as if valve clatter. Stops after engine runs for about 30-60 seconds. Diagnosed by Dealer/Regional staff; TSB, metal fatigue, wrist pins; required removing engine and replacing all 6 pistons/rods | ||
2012 Mercedes-Benz C-Class 4dr Sedan
302-horsepower 3.5L V6 7-speed shiftable automatic AWD
| Mercedes-Benz C-Class in Ontario, Canada Feb 2012 - Jun 2022 | |||
| Mar 2015 29760 mi |
M276 engine TSB for timing chain secondary pulley causing rattle on startup. TSB calls for anti-drain valve to be installed in each oil supply orifice serving the pulley. | ||
| Oct 2015 34300 mi |
Vertical trim piece beside windshield on drivers side developed a bubbling of the finish at the top end. Apparently its a plastic film, not paint. Dealer replaced with new piece. Waited for the car, took about 2 hours. | ||
2012 Mercedes-Benz C-Class 4dr Sedan
228-horsepower 3.0L V6 7-speed shiftable automatic AWD
| Mercedes-Benz C-Class in Ontario, Canada May 2012 - Jun 2022 | |||
| Oct 2017 32240 mi C $450 |
Pulley and belt replaced for a squeek. | ||
| Mercedes-Benz C-Class in Ontario, Canada Apr 2017 - May 2017 | |||
| Jan 2017 27900 mi |
New front suspension due to noise | ||
| May 2017 29760 mi |
Noise from parking brake cable. Anti vibration noise clips installed | ||
| Mercedes-Benz C-Class in Colorado, United States Dec 2011 - Apr 2017 | |||
| Feb 2014 19300 mi |
Driver seat belt plastic pieces broke where buckle snaps into it and receptacle had to be replace. | ||
| Mar 2014 20000 mi |
Driver seat belt receiver plastic outer pieces split in half. Replaced by dealership and had to wait a week on parts. Locking part still worked, just hard to align and snap together. | ||
| Mercedes-Benz C-Class in Illinois, United States Feb 2017 - May 2022 | |||
| Jan 2018 14000 mi |
Dead battery, recharged | ||
| Mercedes-Benz C-Class in New Jersey, United States Jan 2017 - Jan 2022 | |||
| Mar 2018 114000 mi US $34 |
Bulb burned out needed to be replaced. Took more than ten minutes. | ||
| May 2018 130000 mi |
Bad caliper. | ||
| Mercedes-Benz C-Class in New York, United States Oct 2013 - Apr 2022 | |||
| Sep 2021 138000 mi US $2000 |
Check engine light from vacuum lines | ||
| Mercedes-Benz C-Class in Arizona, United States Feb 2017 - Jun 2018 | |||
| Mar 2018 93000 mi US $120 |
Shaking of vehicle felt under passenger seat. Replaced transmission mount | ||
| Jun 2018 94000 mi US $20 |
Replaced Bolt on Engine to eliminate spoke | ||
| Mercedes-Benz C-Class in New York, United States Jul 2012 - Aug 2015 | |||
| Mar 2015 28000 mi |
air intake sensor | ||
| Mercedes-Benz C-Class in New York, United States Aug 2014 - May 2019 | |||
| Dec 2015 35000 mi |
clunk when you put the car in reverse or turn wheel tight. | ||
| Aug 2017 54000 mi US $400 |
replaced front struts | ||
| Mercedes-Benz C-Class in New York, United States Apr 2012 - Jun 2022 | |||
| Oct 2013 8700 mi |
Oil leak | ||
| Oct 2014 16200 mi |
Rear transmission seals leaking | ||
| Aug 2015 18100 mi |
Rear differential seals leaking | ||
| Apr 2016 21300 mi |
Rear differential leak. This will be the third time the car has Ben in for this issue | ||
| Mercedes-Benz C-Class in North Carolina, United States Mar 2023 - Dec 2023 | |||
| May 2023 111380 mi US $20 |
New key purchased & programmed Electronic Steering Lock module motor worn; replaced just the motor | ||
| Mercedes-Benz C-Class in Massachusetts, United States May 2015 - Mar 2016 | |||
| Aug 2015 22900 mi |
wire to one of the running lights was loose | ||
| Mercedes-Benz C-Class in Pennsylvania, United States Sep 2014 - Jun 2022 | |||
| Oct 2015 24000 mi |
Nav screen would shut down automatically on occasion | ||
| Mercedes-Benz C-Class in Pennsylvania, United States Dec 2011 - May 2015 | |||
| Apr 2015 45500 mi |
CEL came on. Left bank misfire | ||
| Mercedes-Benz C-Class in Ohio, United States Oct 2015 - Jan 2016 | |||
| Oct 2015 38000 mi |
Squeezing fan belt, caused by previous repair when coolant leak caused. | ||
2012 Mercedes-Benz C-Class 4dr Sedan
| Mercedes-Benz C-Class in British Columbia, Canada Jun 2017 - Jul 2022 | |||
| Jul 2017 60760 mi C $250 |
Battery condition - failed load test. | ||
| Jun 2021 85560 mi C $1200 |
oil leak | ||
| Nov 2021 88660 mi |
replace blower for climate control system | ||
2012 Mercedes-Benz C-Class 4-door
turbocharged 4-cylinder diesel automatic AWD
| Mercedes-Benz C-Class in Sweden Sep 2012 - Jun 2013 | |||
| Nov 2012 12060 mi |
Rough gearshifts between 2-3. | ||
| Dec 2012 13640 mi |
Rough gearshifts between 2-3. | ||
| Jun 2013 19840 mi |
Rough shifting between 2nd and 3rd gear. | ||
2012 Mercedes-Benz C-Class 2dr Coupe
turbocharged 201hp 1.8L I4 7-speed shiftable automatic RWD
| Mercedes-Benz C-Class in California, United States Jul 2014 - Jun 2022 | |||
| Oct 2021 38180 mi US $600 |
Electronic Steering Lock malfunction - would not allow engine start-up. Dealer replaced the motor/locking pin and related electronic elements. | ||
| Mercedes-Benz C-Class in Chile Jul 2013 - Jan 2015 | |||
| Nov 2013 20460 mi |
Front right motor hood closing damper broke. Changed for free, out of warranty. Likely broken by careless mechanic during previous work on the car. | ||
2012 Mercedes-Benz C-Class 2dr Coupe
302-horsepower 3.5L V6 7-speed shiftable automatic AWD
| Mercedes-Benz C-Class in Virginia, United States Jan 2014 - Jun 2018 | |||
| Apr 2014 20800 mi |
Rattling noise after engine start for several seconds timing chain tensioner needed check valves put in. | ||
| Feb 2015 30400 mi |
Wheel Bearing after pot hole | ||
See TrueDelta's information for all Mercedes-Benz models.
