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2011 Mercedes-Benz C-Class repairs by problem area

Engine (20%)

Transmission and Drivetrain (4%)

Brakes and Traction Control (4%)

Suspension and Steering (10%)

Electrical and Air Conditioning (43%)

Paint, Rust, Leaks, Rattles, and Trim (8%)

Other (12%)

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Chart based on 51 repairs.

See TSBs and recalls for the 2011 Mercedes-Benz C-Class.

2011 Mercedes-Benz C-Class repair cost distribution

$2500+ (3%)

$1000 - $2499 (5%)

$500 - $999 (13%)

$100 - $499 (13%)

< $100 (66%)

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Chart based on 38 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

See repairs for all Mercedes-Benz C-Class model years.

Mercedes-Benz C-Class in New South Wales, Australia Mar 2013 - May 2016
Dec 2015 56420 mi A $825	Low voltage sensor faulty, replaced.

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Mercedes-Benz C-Class in Georgia, United States Mar 2013 - Dec 2014
Sep 2014 48000 mi	Recall on tail light wiring assembly. One side had failed a year ago, the other failed a week before the recall, so they fixed it the newly failed side and also replaced something in the other side.

Mercedes-Benz C-Class in California, United States Sep 2015 - Mar 2019
Jul 2016 36200 mi	Drivers seat base material separated at the seam
May 2017 41000 mi	Faulty left rear taillight assembly. Part replaced

Mercedes-Benz C-Class in California, United States - Oct 2011
Oct 2011 2000 mi	Homelink for garage opener would fail to work. dealer had to order new rear view mirror after several attempts to re-program Homelink failed. Homelink for garage opener would fail to work. dealer had to order new rear view mirror after several attempts to re-program Homelink failed.

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Mercedes-Benz C-Class in Alberta, Canada Mar 2013 - Oct 2014
Oct 2013 9400 mi	Both Wheel Bearings replaced Interior Dome lights flickering; unit replaced Transmission seal leaking
Mar 2014 13646 mi C $7678	Backup camera, parking sensors and interior lighting all failed one morning. Electronics computer module replaced. Total cost not under warranty would have been $7677.25 Entire computer module for electronics replaced. Back up camera, parking sensors, interior lighting (dash included) all failed one morning. Car inoperable in dark conditions

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Mercedes-Benz C-Class in California, United States Mar 2014 - Jun 2016
Jul 2015 58000 mi	The differential developed a small leak. It was fixed at no cost to me.

Mercedes-Benz C-Class in California, United States Jan 2014 - Jan 2015
Mar 2014 19000 mi	garage door opener would only work inside garage (weak signal?) the dealer replaced the rear view mirror, no improvement. contacted mbz usa,no help. they said that the way it is. extended antenna from opener to just inside door. OK!

Mercedes-Benz C-Class in California, United States Mar 2013 - May 2021
May 2013 15900 mi	Front struts needed to be replaced.
Jun 2014 23000 mi	The right rear tire pressure sensor failed.
Apr 2016 43000 mi	The diverter in the driver's side air vent broke. You couldn't adjust the flow of air to the left or right. This occurred when the car was detailed by the dealer but I didn't discover it until a week later when I tried to change the position There is a wind whistle on the driver's side window when traveling at freeway speeds. The dealer believes this is standard wind noise but it's not.
Jan 2017 51000 mi	Replaced thermostat
Aug 2017 57000 mi US $580	Replaced steering column motor (under warranty) it would no longer tilt Left front fender liner came loose and was rubbing against the tire and damaged the liner. It had to be replaced. Replaced battery

Mercedes-Benz C-Class in South Carolina, United States Oct 2016 - Jun 2022
Dec 2016 70000 mi US $350	Emissions-secondary air pump
May 2018 81000 mi US $550	Replaced starter; symptoms were blowing the #7 fuse repeatedly

Mercedes-Benz C-Class in North Carolina, United States Nov 2013 - Sep 2017
Mar 2017 67000 mi US $600	Out of round wheel

Mercedes-Benz C-Class in Alabama, United States Nov 2015 - Sep 2018
Mar 2018 35000 mi US $85	Oil change Rotate and balance tires

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Mercedes-Benz C-Class in California, United States Mar 2013 - Jun 2018
Jun 2013 42000 mi	Starter replaced due to stripped gear ring, NAV/command interface wheel replaced.
Mar 2014 48000 mi	Engine operating temp sensor failed and was replaced under warranty.
Jul 2014 52000 mi	Brake light
Apr 2015 60300 mi	Cigarette lighter electrical outlet failure
Jun 2016 71000 mi	engine runs rough on start, exhaust has unburned fuel smell.
Mar 2017 81000 mi US $250	Battery replacement. Parking lamp replacement. Takes about 15 minutes largely because there are some mechanisms that are fussy/tricky and you have to relearn how to do it.
Aug 2017 80900 mi US $1200	electronic steering column ignition lock

Mercedes-Benz C-Class in Oregon, United States Mar 2013 - Apr 2014
Jan 2014 15700 mi	Navigation did not give directions property. Navigation antenna failed.

Mercedes-Benz C-Class in Colorado, United States Mar 2013 - Aug 2013
May 2013 15300 mi	A/C "Controller" discharged battery when car was not running. Previous visit involved another "controller" which supposedly did same thing. It appears that Mercedes electrical engineers should to back to school and learn.
Aug 2013 16000 mi	Garage opener (on mirror) failed. Repaired earlier. Broken again. Driver seat adjustment sw shorts - always lifts headrest no matter which other switch is pushed. Did not get repaired. Traded in this miserable POS.

Mercedes-Benz C-Class in Connecticut, United States Nov 2013 - May 2019
Jan 2017	The blower for HVAC system was replaced The motor for the sun roof shade stop working
Apr 2017 88873 mi US $200	Knocking noise from front end, sway bar links replaced. Thermostat needed to be replaced, a code was showing. Replaced rear pads and rotors.
Nov 2017 101712 mi	Command Center control was not working
Mar 2018 105870 mi US $260	Belt, Tensioner and pulleys replaced. The repair was entirely preventive, due to the mileage on the car. Also on the MB World Org site a lot of owner where stating they were having problems with their belts breaking or the tensioner locking up,or the pulley making noise. So for the few bucks and my time as the car is my daily driver I figured better be safe than sorry.
May 2019 127195 mi US $900	Struts replaced

Mercedes-Benz C-Class in Virginia, United States Jul 2022 - Nov 2022
Nov 2022 33000 mi US $300	Replaced Oxygen sensor bank 1, snesor 1

Mercedes-Benz C-Class in California, United States Dec 2011 - Dec 2012
Jan 2011 7000 mi	replaced both front struts under warranty

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Mercedes-Benz C-Class in Florida, United States Mar 2013 - Jun 2018
Aug 2017 57000 mi US $1500	Sunroof. Replaced drain tube and dried electrical connections.
Jun 2018 64000 mi US $780	Traction control lights on. Engine lost power. Dealer replaced accelerator pedal but repair was unsuccessful. I replaced all brake pads, rear rotors, left rear caliper and flushed the brake system. Repair sucessful.

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Mercedes-Benz C-Class in Massachusetts, United States Jul 2014 - Sep 2014
Sep 2014 60000 mi	Fine tunning knob, GPS knob quit working, replaced under warranty

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Mercedes-Benz C-Class in Great Britain Oct 2012 - Dec 2015
Nov 2012 37000 mi	front offside suspension failed dealer replaced both front under warranty

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Mercedes-Benz C-Class in New South Wales, Australia Oct 2010 - Apr 2014
May 2012 14640 mi	Electronic steering lock module faulty, could not start car as steering lock would not disengage, car towed to dealer. replaced steering lock & battery. Dealer advised MB had a bad batch of batteries, have replaced 10 in the last month.
Nov 2012 21680 mi	Rear seat belt would not stay fastened. Belt disengaged from retaining mechanism without warning.

Mercedes-Benz C-Class in Philippines Jun 2010 - Jun 2014
Jun 2014 9300 mi $1500	All front and rear shock absorbers are not dampening, replaced all the front and rear shock absorbers

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Mercedes-Benz C-Class in Chongqing, China Dec 2011 - Jun 2022
Sep 2013 12400 mi	C200 have bad smell for years after bought(2009). Took it to the dealer, dealer have been noticed by manufactory the main carpet is the reason for it. Had the dealer replace it. As far as I know, this happened to all 09 C series in China.
Jan 2017 14100 mi $40	Horn did not work
Jun 2018 52700 mi $1200	speed sensor

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Mercedes-Benz C-Class in Texas, United States Jan 2011 - Jan 2014
Dec 2011 16000 mi	Minor engine miss; also $500 to replace broken fog light

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Mercedes-Benz C-Class in Ontario, Canada Jun 2013 - Nov 2014
Nov 2013 30940 mi	Rear tail lights
Mar 2014 35340 mi	rear tail lights some leds replaced, other side lights switch drained battery
May 2014 37080 mi C $400	Won't start Dead battery

Mercedes-Benz C-Class in Alabama, United States Jul 2011 - Jun 2022
Aug 2021 43000 mi US $40	Passenger door handle broke off, common problem, self repaired

Mercedes-Benz C-Class in Texas, United States Mar 2011 - Mar 2013
Jan 2012 17000 mi	Thumping at rattling from front suspension. Replaced front struts, replaced sway bar connecting link.

Mercedes-Benz C-Class in New York, United States Jun 2012 - Oct 2012
Jul 2012 18000 mi	Thumping at rattling from front suspension. Replaced front struts, replaced sway bar connecting link.
Oct 2012 20000 mi	Right rear shock makes nose over bumps Replace shock

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Mercedes-Benz C-Class in Quebec, Canada Feb 2013 - Feb 2014
Jan 2014 C $160	Thermostat seems to be affecting lots of customersâ€¦.

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Mercedes-Benz C-Class in New South Wales, Australia Jul 2010 - Jan 2016
Sep 2010 1860 mi	Clunking noise right front end of vehicle when driving over small road imperfections or washboard type surfaces. Dealer initially replaced front sway bar links(unsucessful). Then replaced struts and problem solved.
Jan 2011 2480 mi	Rattle / vibration from area of the flip up sat nav screen. Esp noticeable when in closed position. Dealer did not reference this on repair report but verbally told me tightened something up. NOT FIXED AT ALL!
Mar 2011 3100 mi	Rattle from flip up command screen area. Dealer atated that they followed TSB for the same and placed some additional padding???. Problem now 95% improved.
Dec 2012 7440 mi	Air conditioner very smelly. Dealer unsuccessfully performed an air conditioning decontamination treatment. The dealer will fix thus issue this week. Left rear indicator warning comes on intermittently but indicator works

Mercedes-Benz C-Class in Texas, United States Mar 2011 - Jun 2016
Feb 2013 26900 mi	Drivers Taillight keeps going out.
Dec 2013 32000 mi	The sunroof was making a loud click when shut. The slider was broken.
Mar 2014 33000 mi	light

Mercedes-Benz C-Class in California, United States Apr 2013 - Aug 2014
Sep 2013 39000 mi	Check engine light lit and they performed software update on engine control unit.
Feb 2014 43200 mi	PURGE VALVE STIKY OPEN CAUSING LEAK IN EVAP SYSTEM, REPLACED THE PURGE VALVE
Apr 2014 44000 mi US $250	43412 150 PERFORM SHORT TEST FOUND NO CODE CK TRAN FLUID LEVEL GOOD CK FOR ANY NEW SOFTWARE HAS ONE PERFORM TRAN SOFTWARE UPDATE
Aug 2014 44000 mi	The transmission jerks/bucks in lower gears while shifting from 2nd to 3rd gear. Dealership wouldn't fix it until it got worse. I took the car in five times. With warranty expiring next year I sold the car.

Mercedes-Benz C-Class in Tennessee, United States Sep 2011 - Nov 2011
Oct 2011 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.

Mercedes-Benz C-Class in Texas, United States Dec 2011 - Feb 2018
Sep 2013 58000 mi US $90	Sluggish acceleration
Mar 2014 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.
Jul 2015 73200 mi	AC compressor and dryer (extended warranty coverage) circuit board for rear lights, both sides, wire & board melting, (RECALL) noted on the rear wire issued.
Sep 2015 74000 mi	Steering Lock servo froze and needing replacement. Would have been $1,400 without the extended warranty.
Feb 2016 74000 mi US $235	Jump started by tow company, spouse took to dealership, diagnosed with poor battery, replaced by dealership.
Sep 2016 76000 mi US $10	Head lights turning yellow, very opaque. Used PlastiX Mequires brand and sand paper in 3 stages to clean, and finally a rotary buffer to finish off.
Feb 2017 77300 mi US $136	Driver side power window unit non-functional, manually close & open.
Jun 2017 79000 mi US $800	Driver Door Lock Actuator Non-Functional
Sep 2017 79000 mi US $180	Driver door actuator had to be changed out, the door would not lock or open.

Mercedes-Benz C-Class in New York, United States May 2017 - Jun 2018
Jun 2017 95000 mi US $550	Ignition switch malfunction.
Jan 2018 103000 mi US $730	Replaced the thermostat

Mercedes-Benz C-Class in Alabama, United States Jul 2010 - Dec 2012
Aug 2012 29300 mi	Windshield wiper chatter and smear

Mercedes-Benz C-Class in Florida, United States Jun 2017 - Jul 2017
May 2017 137000 mi US $3000	Engine Mounts needed to be replaced because you could feel vibration while driving. Once repaired car was noticeably smoother. Transmission Mount. When car would shift gears I could feel some jerk. Once replaced it was very smooth. When turning to the right was hearing some noise from front. Once replace it was no longer there.

Mercedes-Benz C-Class in California, United States Apr 2015 - Jun 2018
Sep 2015 58000 mi US $80	Check engine light- misfire cylinder 3. Spark plugs changed. Check engine light cleared.
May 2016 69400 mi US $750	Car wouldn't start, would not turn over. Electronic steering lock had failed and needed to be replaced.
Sep 2017 81000 mi US $200	Dead batter after my car was sitting at work for 8 hours. Dealer (Mercedes of San Diego) came and changed my battery.

Mercedes-Benz C-Class in California, United States Dec 2014 - Mar 2015
Feb 2015 65100 mi US $400	Replaced bad thermostat and housing.

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Mercedes-Benz C-Class in Illinois, United States Dec 2009 - Dec 2015
Dec 2010 11000 mi	Sat radio does not work. Repair would have required removal of the rear window, and I was not ready to have that type of work done.
Jun 2011 16000 mi	Faint hiss coming from area of brake pedal, that stopped with depression of the pedal. Problem was traced to the brake booster, which was replaced, and the noise is gone.
Sep 2011 20000 mi	Sat radio works intermittently, and worked the day I had the car in for service. No codes read, so they did not attempt to repair.
Nov 2011 23500 mi	My sat radio problem has finally been resolved. For C Class owners with the panoramic roof option, there is a service bulletin that addresses intermittent or no sat radio reception.
Feb 2012 26500 mi	Sat radio showing "no service". Faulty radio module replaced.
Jun 2012 29000 mi	Replaced sat antenna.
Sep 2012 33000 mi US $775	Intermittent function of the Sattelite radio and iPod interface. Driver side A pillar trim loose and water leaking on to outside of window. No internal leak.
Aug 2013 42700 mi US $312	Not a leak into interior, but the driver side A pillar trim was leaking on to outside of driver side door glass. Replaced trip piece and tightened clamps.
Sep 2014 52000 mi US $1780	Replaced left upstream O2 sensor.
Apr 2015 58000 mi US $1	Replaced air pump, which was making a noise.
Dec 2015 67000 mi	Bearing in transmission failed. Cost of repair was $6800.00, so traded as is, for a 2016 Volvo XC70.

Mercedes-Benz C-Class in Pennsylvania, United States Nov 2009 - Dec 2017
Nov 2010 12800 mi	Cigarette lighter/charger port not functional.
Apr 2011 18000 mi	Factory Navigation system not accurate, replaced nav "antenna"
Jan 2013 15200 mi	Another navigation system failure

Mercedes-Benz C-Class in British Columbia, Canada Feb 2010 - Jun 2022
Nov 2010 4340 mi	Passenger-side exterior window motor was noisy when retracting. New motor installed.
Jan 2011 4960 mi	Car not driven for 3 weeks, needed to be jump started after 3 short trips. Temperature sensor on battery defective causing slow drain of battery. Battery and sensor replaced. Sensor had to be shipped from Germany, hence waiting time.
Mar 2012 10540 mi	Drivers door a little stiff to open from inside the car. Oil leaking from transfer case
Apr 2013 16200 mi	replace drivers sun visor, poor electrical contact for vanity light
Nov 2013 21360 mi	Noise from front of car. Both front struts replaced. Both front wheel bearings replaced. Bulb out message, drivers side rear. Connector melted. Connector and bulbs replaced, right side. Passenger side sun visor light flickering. Sun visor replaced. Drivers door difficult to open from inside. Door lock/latch assembly replaced.
Mar 2015 27900 mi C $1100	Battery failed load test, was replaced. This is the third battery in 5 years. Water had entered the rear driver's side light housing and corroded the connectors.
Nov 2015 31620 mi	transmission bumped when changing down under load, after slowing down going up a hill.
Mar 2018 42780 mi C $45	Gas cap rubber retainer broke. Driver's seat base cover split along a seam.

Mercedes-Benz C-Class in Massachusetts, United States Mar 2010 - Dec 2012
Feb 2011 20700 mi	GPS antennae failed and was replaced
Aug 2012 50500 mi	Front(left)strut failed; both were replaced under warranty.

Mercedes-Benz C-Class in New York, United States Jul 2010 - Jun 2015
Oct 2011 4000 mi	Driver side door panel was replaced as a fix for inoperable inside door handle

Mercedes-Benz C-Class in New York, United States May 2011 - Sep 2012
Jul 2012 54000 mi	Front spoiler paint peeling off. Repainted no charge.

Mercedes-Benz C-Class in New York, United States Jul 2010 - Sep 2012
Mar 2011 9000 mi	power seat rail was jammed and replaced by dealer
May 2011 10100 mi US $900	tie rods were deformed

Mercedes-Benz C-Class in New Jersey, United States Nov 2010 - Nov 2012
Jun 2010 8105 mi	A/C doesn't get cold, adjust hood closure
Dec 2010 10231 mi US $145	car pulls to right - wheel alignment completed
Sep 2012 28000 mi US $6	Replaced several tail light and marker bulbs. Replaced hose clamp to stop antifreeze leak

Mercedes-Benz C-Class in Ontario, Canada Dec 2010 - Mar 2011
Aug 2010 1860 mi	Adjust washer nozzles

Mercedes-Benz C-Class in Illinois, United States Aug 2013 - Sep 2013
Aug 2013 51000 mi US $200	Leak from transfer case. Had to disassemble transmission to replace gasket. Power steering making a horrible noise. Took it to dealer where they also found the leaking transfer case. Service was great, loaner car given. Kinda wondering about long term problems with car. Battery died after 3 years. Was told this was common with this vehicle. Mercedes sent someone down (45 minute drive) and replaced battery. Called wear and tear so I had to pay out of pocket.

Mercedes-Benz C-Class in California, United States Apr 2014 - Jan 2016
Feb 2015 95600 mi US $747	purge valve
May 2015 102200 mi US $395	New battery installed

Mercedes-Benz C-Class in Alaska, United States Dec 2013 - Oct 2016
Jan 2014	Sunroof would not open all the way. Dealership replaced motor under warranty.
Mar 2014 25000 mi	Returned to dealership to get sunroof fixed for the second time. Overhead control panel faulty again. Removed and replaced under factory warranty. Heard clunking sounds from front when going over bumps at a slow speed. Brought vehicle in the dealership. Tech found out that noise are coming from front struts. Both left and right struts removed and replaced (FP No. 204-323-29-00). Sway bar links (204-320-07-89 and 204-320-22-89) replaced along with struts mentioned earlier.
Oct 2014 26000 mi US $433	Heard squealing noise when letting off brakes and turning left. Took it in to dealership. Tech verified it's coming from front right wheel. Tech found seized brake calipers. Front brake calipers replaced.

Mercedes-Benz C-Class in Ohio, United States Nov 2012 - Sep 2013
Dec 2012 37000 mi	Blower Motor failed, needed to be replaced. Item was under CPO warranty, so no out of pocket cost to me.

Mercedes-Benz C-Class in Pennsylvania, United States Aug 2012 - Jan 2013
Sep 2012 41000 mi US $259	Required transmission service at 40K miles. Tech noted leaking transfer case for AWD system need repair under warranty.
Jan 2013	low coolant level due to extreme cold weather

Mercedes-Benz C-Class in New York, United States May 2011 - Dec 2011
Sep 2011 27000 mi US $450	Left rear tail light bulb was out.

Mercedes-Benz C-Class in Virginia, United States Sep 2010 - Mar 2014
Sep 2013 54000 mi US $300	Failed TPS sensor in driver rear wheel

Mercedes-Benz C-Class in Saskatchewan, Canada May 2016 - Jun 2016
Jun 2016 44020 mi C $200	High pitch noise coming from accessory drive upper pulley. Replaced Pulleys, belt, and belt tensioner as a precaution.

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Mercedes-Benz C-Class in Ontario, Canada Sep 2009 - Mar 2018
Dec 2017 30380 mi C $40	One of the fog lights was burn out. Ended up ordering the bulbs from the dealer and changing both. 10-15 min to complete.

Mercedes-Benz C-Class in California, United States Mar 2013 - Oct 2014
Dec 2013 44000 mi	Problems with bluetooth streaming music, bluetooth phone connectivity

Mercedes-Benz C-Class in South Carolina, United States Aug 2011 - Sep 2011
Sep 2011 16000 mi	The driver's door interior handle mechanism broke causing the door to be non-funtional from the inside of the car. The dealer replaced the whole interior door panel due to the design. This is the only way to fix this issue under warranty.

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Mercedes-Benz C-Class in Ontario, Canada Oct 2009 - Jun 2016
Apr 2013 38120 mi	Heater fan motor had a noisy bearing
Jan 2016 39560 mi C $200	Power Driver seat fore and aft stopped working. Fuse had blown. This had happened once a year earlier. Fuse replaced then and no cause had been found that was actionable. No cause found this time. Motor could be replaced but very expensive.

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Mercedes-Benz C-Class in France Nov 2013 - Aug 2021
Mar 2015 83700 mi €170	Temperature sensor failed causing an over temperature warning to occur. Sensor replaced
Aug 2015 84940 mi	Loss of coolant, small leak from RHS engine component (sorry don't know name). Two gaskets replaced 12â‚¬ labour 130â‚¬ antifreeze 10â‚¬
Sep 2015 86180 mi €415	Leak from water pump, therefore water pump was replaced
Aug 2017 112840 mi €7	Headlight bulb replaced. I run with the dip beam on all the time

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Mercedes-Benz C-Class in Ontario, Canada Sep 2014 - Mar 2017
Sep 2015 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.
Feb 2016 78460 mi C $886	Brake Booster internal valve malfunction causing engine vacuum leak, required replacement of entire booster. Brake booster and necessary seals between booster and master cylinder replaced, brake system required bleeding afterwards.
Jun 2016 91760 mi C $450	Seal at high pressure line connection blew, power steering pump ran dry and malfunctioned, needed to be replaced. Power steering pump replaced, fluid drained, refilled and bled.

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Mercedes-Benz C-Class in Great Britain Apr 2013 - Mar 2016
Jun 2014 61000 mi	Noticed a transmission whine while on a long vacation trip. Mostly occurred at around 65-75 mph (European roads allow up to c. 80 mph).Reported to dealer on last visit (airbag recall) who said nothing is wrong. Still makes a noise it didn't make before.

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Mercedes-Benz C-Class in North Carolina, United States Apr 2011 - Sep 2011
May 2011 24000 mi	car drifts to right, even after 4 alignments, still not right

Mercedes-Benz C-Class in Malaysia Jan 2017 - Feb 2017
Feb 2017 86800 mi $2800	ESL board broken, got it fixed by wireman. Keys have to be reprogrammed.

Mercedes-Benz C-Class in South Africa Oct 2015 - Jan 2016
Jan 2016 67580 mi R 14700	The car did not want to start, the dealer said it is a steering lock that must be replaced

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Mercedes-Benz C-Class in Gibraltar Nov 2008 - Jan 2022
Sep 2010 16120 mi	Faulty glow plug.
Mar 2014 48360 mi £250	Driver's door lock did not work with central locking.
Mar 2018 60140 mi £200	Replaced 3 faulty glow plugs
Dec 2021 68200 mi £110	Problems with audio system. I bought a second hand unit to replace faulty one.

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Mercedes-Benz C-Class in Portugal Jun 2009 - Feb 2017
Sep 2009 1860 mi	Vibration noticed on the wheel
Feb 2010 5952 mi	Injectors (Delphi) failed. Mercedes will make a recall of this kind of injector installed in all the C220 and C250 Blue Efficiency models as soon as Delphi can produce them Injectors failed, under warranty, but Mercedes doesn't have enough injectors to fulfill all those c220 and c250 that are breaking down. I expect to have my car in 2 or 3 weeks. This is really sad...so much tests, and about40%of the Delphi injectors
Jul 2015 63540 mi €120	I noticed some stains on the rims that looked like corrosion. Mercedes declined the responsability saying that it should be caused by some external cause, which I know its not possible. I will pay the reparation myself and, from now no more Mercedes. A transmission rubber support which was changed last year had to be changed again Rubber support of the engine was damaged and was replaced
Oct 2015 65100 mi €95	Burn oil smell came from the engine. It was a faulty o-ring in one injector.
Jul 2016 79980 mi €500	Water pump leaking Battery tests and replacement
Aug 2016 80080 mi €450	Lambda sensor failed

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Mercedes-Benz C-Class in Romania Nov 2008 - Oct 2010
Oct 2010 15500 mi	Left headlight dew after rain even car not used during rain.

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Mercedes-Benz C-Class in Singapore Feb 2010 - Mar 2018
Jun 2010 1860 mi	The driver side inertia reel seat belt sometimes will not extend so that she can fasten it. The sales staff and service staff have been unable to identify a fault and have not been able to reproduce the problem.
Oct 2015 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.
Feb 2016 44640 mi $450	Motor and transmission mounts required replacement.
Apr 2016 45360 mi $1200	Check engine light illuminated, engine occasionally stalled after starting. When running, no obvious driveability issues except possible decreased power output.
May 2016 45760 mi $400	Inconsistent locking/unlocking response from driver-side door. Central locking control module in car replaced. Broken storage compartment roller-shutter on transmission tunnel next to gear selector. Replacement of roller-shutter or storage compartment assembly.
Mar 2017 48980 mi $200	Intermittent illumination of a brake light when car is off, locked and unoccupied. Fault identified and addressed (replaced part is not known).

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Mercedes-Benz C-Class in Netherlands Sep 2010 - Jul 2011
Dec 2010 24800 mi	leaking damper. problem was solved

Mercedes-Benz C-Class in Trinidad and Tobago Dec 2009 - Jan 2022
Apr 2011 9920 mi	exterior mirror was making a whining noise while folding in
May 2012 18600 mi $2000	Air-condition compressor and other AC parts failure. Needed complete replacement. Total costs were nearly $5,000. The dealer absorbed about $3,000 of the cost. They said the failure was due to the humid climate where I live
Dec 2013 26040 mi $1500	new blower
Jun 2014 27280 mi $400	Water getting into side mirror indicator housing
Dec 2014 32860 mi $200	Rubber grommet in windshield washer water reserve bottle was worn causing leak
Mar 2016 37200 mi $150	Roof trim strips began to peel. Glove box dropped out. Shutter lid for middle console deteriorated and disintegrated
Nov 2021 49600 mi $3000	Oil in the transmission. Oil gasket required changing.

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Mercedes-Benz C-Class in Northern Ireland Jul 2014 - Sep 2016
Jul 2014 38000 mi £120	Door handle interior drivers side broke. Quoted Â£500+ because handle needed whole door trim replaced.

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Mercedes-Benz C-Class in Missouri, United States Feb 2009 - Jun 2015
Oct 2011 33000 mi	headlamp switch

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Mercedes-Benz C-Class in Texas, United States Jun 2013 - Sep 2014
Jan 2014 US $175	Oil leaking from engine oil vents

Mercedes-Benz C-Class in Florida, United States Sep 2011 - Mar 2018
Sep 2016 68000 mi US $250	Couldn't start the car. Had to change battery.
Mar 2018 78000 mi US $1500	The two front sway bar links have some play, the front right control arm bushing is worn and seeping fluid, and the front left control arm bushing is worn as well.

Mercedes-Benz C-Class in Singapore Dec 2008 - Mar 2016
Jan 2011 33480 mi	Clonk sound when I turn my steering wheel when on a down slope at cold start.
Dec 2011 47740 mi	Wiper fluid leaking. Reservoir tank cracked. Parts ordered. Now waiting dealer's call to send in car for tank replacement.
Apr 2013 67780 mi $1600	Engine intake manifold. One of the rods broken but the only to repair is to replace the whole manifold. Bad design from Mercedes Benz.
May 2013 69480 mi $1300	Steering pump failure.
Apr 2014 83680 mi $200	Cold air intake tubes cracked due to wear and tear.
Aug 2014 86800 mi	Right parking light. Wires melted. Have to change the whole light housing. Bad design by Mercedes Benz. Living with it for now.
Dec 2014 91760 mi $1300	Steering lock.

Mercedes-Benz C-Class in Texas, United States Oct 2010 - Feb 2016
Aug 2015 54500 mi US $100	Needed a replacement alternator. Under extended warranty.

Mercedes-Benz C-Class in Ohio, United States Dec 2011 - Apr 2017
Jan 2012 26000 mi	GPS Multi-antenna failure. Actually, it was never completely functional.
Mar 2016 120000 mi US $1600	2x Motor Mounts & 1x Transmission Mount

Mercedes-Benz C-Class in California, United States May 2013 - Jul 2014
Apr 2014 96000 mi US $1200	Ignition switch module broke. Would not recognize either key. Required replacement of ignition switch module and reprogramming of both keys

Mercedes-Benz C-Class in Florida, United States Jun 2010 - Apr 2018
Jul 2010 11000 mi	AC needed recharge, no leak detected.
Aug 2010 13000 mi	Expanded valve of AC unit needed replacing. Not detected during first repair, fixed after second repair.
Jun 2013 58000 mi US $185	the sun roof switch broke off and entire roof assembly was replaced. Mercedes picked up 50% of cost as courtesy. paint peeling from driver's door handle
Sep 2013 65000 mi US $400	Crash Sensor Failure
Oct 2014 82500 mi	Bi-xenon light out on driver's side. Bulb change did not fix it. Requires another trip to dealership for repair.
Mar 2016 98000 mi US $300	The ballast controller for driver's side HID headlight failed. Replaced with OEM part.

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Mercedes-Benz C-Class in Ontario, Canada Mar 2009 - Feb 2012
Jun 2010 13020 mi	Windshield washer nozzle spraying below halfway point on windshield. Dealer replaced tubing assembly from pump to washer nozzle. Tubing had collapsed causing low washer pressure. Parts ordered, installed the next day. Windshield tubing installed.

Mercedes-Benz C-Class in Ontario, Canada Mar 2009 - Mar 2012
Jul 2009 3100 mi	Center mounted LED brake light assembly failed and had to be replaced Rubbing sound from brakes when not applied
Mar 2010 9920 mi	Nav system showed incorrect location and incorrect direction of travel - no satellites tracked (vs. 9 or 10 normally) - intermittent problem - dealer could not replicate during service inspection Lag in shifting between Drive and Reverse in transmission. Dealer noted "no problem detected", and advised that latest software was already installed. Dealer performed a reset/relearn on the transmission.
Jan 2011 18600 mi	Navi system unable to see any satellites, therefore giving false location & unable to track vehicle movements. Dealer found repair bulletin regarding wiring harness behind rear headliner, & made the recommended fix. Navi now working.
May 2011 21700 mi	Interior driver's side door handle broke, door could only be opened by opening window and reaching outside top use exterior door handle (very embarassing in a 2 yr old $50k car. Dealer ordered part and repaired. Satellite radio not working most of the time (NO SERVICE). Occassionally it will work for a few minutes but then stops. I think it's related to Nav antenna fix, dealer says all hardware checks OK. Waiting for software update from M-B. Dealer tried replacing software first, did not work. then replaced satellite radio unit, Did not work. then replaced sat. radio antenna. finally worked. antennas seem to be a problem on this vehicle - both GPS and Sat. Radio failed
Nov 2011 26040 mi	Battery failed and not holding charge. Dealer found 2 failed relays. Battery and relays replaced.

Mercedes-Benz C-Class in Ontario, Canada Jan 2009 - Mar 2013
Apr 2009 310 mi	Burnt out LED moduale.
Aug 2012 42346 mi	Leatherette seat cover cracked. Replaced under warranty. Blower motor of climate control replaced.
Jan 2013 45607 mi	Second time that blower motor of climate control replaced.
Feb 2013 45607 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!

Mercedes-Benz C-Class in Ontario, Canada Feb 2010 - Sep 2011
Sep 2011 34720 mi	Radio not working. Replaced system.

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Mercedes-Benz C-Class in California, United States Aug 2009 - Nov 2011
Oct 2009 3700 mi	Sunroof seal fixed.
Mar 2010 22135 mi US $500	Windshield Replaced. Rock 1, Glass 0

Mercedes-Benz C-Class in California, United States Aug 2009 - Apr 2012
Feb 2011 14200 mi	Had to have the hood release cable reattached. It had come loose and the fan was hitting it.

Mercedes-Benz C-Class in Mississippi, United States Apr 2013 - May 2015
May 2015 55000 mi US $1100	Steering Column Lock was replaced. Vehicle wouldn't start and locked steering wheel and gear shift. Went into theft mode as if someone was trying to steal it.

Mercedes-Benz C-Class in Florida, United States Sep 2014 - Dec 2021
Sep 2019 189000 mi US $2300	replaced ends Oil leaks
Jan 2021 220000 mi US $215	replaced battery
Feb 2021 220000 mi US $94	ECM determined to be bad. Got it repaired at a computer shop. Still does not work. Engine light on. Have not driven since

Mercedes-Benz C-Class in California, United States Jun 2010 - Jun 2018
Sep 2010 23000 mi	Wind noise drivers window. Not loud but annoying. Replaced seals but no improvement.
Dec 2015 85000 mi US $1200	Steering lock failed

Mercedes-Benz C-Class in Washington, United States Sep 2013 - Mar 2014
Mar 2014 58000 mi US $2000	Replaced front pads, rotors, and calipers. One Caliper had an issue, which caused one of the two pads in the caliper to completely wear out, though, I went in because of a bearing type noise, and never noticed anything wrong with my breaks

Mercedes-Benz C-Class in Texas, United States Nov 2008 - Nov 2018
Jan 2010 9000 mi	When the car is cold (first driven during the day and when it's cold outside), a minute after it's started and for about 2 minutes a squeak(1 sec separating) comes from what sounds like a belt pulley. It did this last winter too.
Aug 2011 20000 mi	Mold in AC Evap core causing bad smell. Cleaned evaporator.
Oct 2011 24000 mi	Condensation inside diver's side xenon headlight assembly caused failure of headlight. Dealer replaced entire assembly.
Jan 2012 27000 mi	Cold-start metallic squeaking sound, present since new, was traced to a defective belt pulley. Pulley and also belt replaced under warranty; haven't noted problem since.
Aug 2012 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. Moldy & smelly AC evaporator prob re-occured. Dealer cleaned system again. The problem hasn't resurfaced but it's only been a few weeks. Rear parcel shelf rattle. Sunroof juddery when closing from vent position. Dealer removed glass, lubed & reset.
Feb 2015 68000 mi US $2200	Collapsed transmission mount and all engine mounts (leaking) replaced. Replaced serpentine belt and pulley.
Oct 2015 76500 mi US $80	SRS malfunction warning. Self diagnosed as a failed belt-buckled sensor in belt latch. Replaced latch by unbolting seat.
Aug 2016 88000 mi US $1100	Electronic steering lock failure, steering lock suddenly did not communicate with key, making car inoperable.
Apr 2017 97000 mi US $150	Replaced headlight switch. Old switch causing right parking lights to remain lit when switch was in off position.
Sep 2017 104000 mi US $1200	System leaking, replaced expansion valve and recharged.

Mercedes-Benz C-Class in Texas, United States Dec 2009 - Jun 2011
Feb 2010 12000 mi	The COMMAND knob no longer worked. Engineering Menu Log states it lost COMS with HU. The knob module was replaced.

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Mercedes-Benz C-Class in Washington, United States Dec 2011 - Nov 2016
Nov 2014 75000 mi	Recall for rear sidemarker circuitry replacement.

Mercedes-Benz C-Class in New Jersey, United States Mar 2012 - Jun 2022
Mar 2013 139000 mi US $450	thermosat stuck open
Jun 2013 148000 mi US $16	Right front low beam head lamp replaced
Dec 2014 186000 mi	Right rear taillight wire loose - causing dashboard warning messages. Right front headlight bulb out - replaced.
Oct 2015 197000 mi US $2800	Replace transfer box
Jul 2016 213200 mi US $2200	Left front axle & boots
Jun 2017 238000 mi	Windshield washer tank has a small leak. Decided to live with it for now
Sep 2017 242000 mi US $1500	Motor mounts (2), and Transmission mount (1)

Mercedes-Benz C-Class in Quebec, Canada Oct 2014 - Nov 2015
Oct 2015 79980 mi C $25	Passenger front tie rod worn out. Replaced and car re-aligned. Comand navigation button/scroll knob stopped scrolling when rotated. Common problem with these. Found DIY fix on youtube otherwise button cost 300$ + USD. Will try to fix soon.
Nov 2015 79980 mi	Comand button stopped scrolling lists when rotated. Common problem but system still usable without.

Mercedes-Benz C-Class in Virginia, United States Aug 2010 - Jun 2014
Sep 2011 26000 mi	MB Tex seat developed tear on it's own and was replaced. Cam plugs leaking and were replaced.
Dec 2011 27000 mi	Driver's Rear light housing shorted and required repair. Passenger replaced as well since dealer indicated it is a common problem. Under Warranty.
Mar 2014 49000 mi US $800	007603 012102 O Parking Lever Cup (Seal) leaking transmission fluid. 013 997 7246 Transmission case seal leaking transmission fluid. Engine mounts collapsed. Transmission mounts replaced at same time to save future labor cost. 204-240-15-17 204-240-06-18 Rear cylinder head oil centrifuge leaking. 272-010-06-31 Replaced.

Mercedes-Benz C-Class in Washington, United States Mar 2012 - Mar 2013
May 2012 28500 mi	replaced airflow directional piece in one of the dash vents.
Jun 2012 29000 mi	replaced a second airflow directional piece in one of the dash vents. Electrical plug/harness to left rear light assembly failed causing the entire light assembly to fail. Replaced electrical plug/harness.
Sep 2012 31000 mi	left rear side marker light out; headlights adjusted for proper projection

Mercedes-Benz C-Class in Oregon, United States Feb 2012 - Jun 2014
Aug 2012 39000 mi US $798	Replaced fog light and performed scheduled maintenance

Mercedes-Benz C-Class in New York, United States Nov 2011 - Jul 2013
Mar 2012 31000 mi	fan motor needed replacement
Sep 2012 44000 mi	ac vent would not hold a position
Mar 2013 53000 mi	traction control/stability control would stop working, car would not accelerate
Jul 2013 56000 mi US $300	inside door latch broke and would not release door from within car

Mercedes-Benz C-Class in Ontario, Canada Nov 2011 - Jan 2017
Nov 2014 32200 mi	Command dial stopped working. Apparently a common problem. Not covered under Star CPO warranty
Feb 2015 34720 mi	Fan blower motor stopped working. Replaced under warranty

Mercedes-Benz C-Class in New Hampshire, United States Dec 2011 - Jul 2021
Mar 2012 36000 mi	TPMS sensor was cracked and had to be repaired. Towed.
Feb 2018 56000 mi US $268	Front pads and rotors replaced.
Mar 2018 57000 mi US $45	Both low beam headlights went within a week of each other.
May 2018 58000 mi US $32	Two TPMS sensors were cracked. This is a very common problem but they can be rebuilt so it’s not expensive at all. I paid $16.00 each.

Mercedes-Benz C-Class in Colorado, United States Dec 2009 - Mar 2011
Mar 2010 22000 mi	A/C Stopped working. A/C refrigerant leaked out due to faulty O-rings.

Mercedes-Benz C-Class in Germany Dec 2008 - Mar 2010
Jan 2009 1860 mi	re-program window auto-up function under warranty re-program window auto-up function under warranty
Apr 2009 3100 mi	replace incorrect tire under warranty
May 2009 3720 mi	correct rattle in heating system correct rattle in heating system under warranty

Mercedes-Benz C-Class in Maryland, United States Jul 2008 - Jun 2011
Sep 2008 1000 mi	Satellite radio antenna was loose and had to be replaced; car was in the shop for one day.
Aug 2009 10000 mi	Satellite radio stopped functioning. Dealer replaced satellite radio receiver.

Mercedes-Benz C-Class in Ohio, United States Aug 2009 - Apr 2011
Mar 2011 20000 mi	Satellite radio.

Mercedes-Benz C-Class in California, United States Dec 2008 - Jul 2022
Jan 2009 10300 mi	The navigation system was broken the day I drove the (new) car out of dealership and by the time I reached the interstate the display was gone. Radio was working but nothing else was practically usable without the display. The unit had to replaced
Mar 2009 2000 mi	New nav system installed.
Sep 2009 8000 mi	the fuel cap indicator was on, and wouldn't go off after a couple of re-fueling efforts (and of course, after tightening the cap). apparently there was no problem after they ran it through their system and did the same thing.
Dec 2009 8000 mi	there were couple of problems i went for: x. my ipod stopped charging suddenly and it turned out the ipod connector wasn't working x. my phone's bluetooth would start acting up with COMMAND center. it turned out it was blackberry tour
Apr 2010 9000 mi	the car wasn't driven for four days; i opened the trunk a few hours before i started to drive. the car wouldn't start and complained about ABS. as it turned out, it required a "jump start". no electrical components were on.
Nov 2010 12000 mi US $300	When I bought this car, the infamous salesman at the Oakland dealership assured me it was a flex-fuel car. Now, in Minnesota where getting E85 is so easy, we tried to find engine light on. I am now told not all C300 are E85 ready.
Nov 2011 16900 mi	Flat tire. By mistake while filling the air in tires, one of the valves was slightly loosened. The shop found the problem and fixed it in under 30 minutes.
Mar 2012 19000 mi	The driver side door did not work with automatic locks. Lock malfunction with key fob or even when auto-locking function while driving. (the security alarm was setup, it was possible to manually push the button).
Jan 2015 23700 mi US $250	The command system kept resetting itself every 30-45 seconds regardless of wheteher it was switched on or off. Dealer performed software upgrade.
Sep 2015 60000 mi US $2000	Oil leaks in two places: oil leaks have been found, one from the engine and one from the transfer case. I was told that it's typically found on all wheel drive vehicles (for Mercedes I assumed).
Oct 2015 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.
Dec 2015 61000 mi	Because I had a major service scheduled I got the speaker changes for free (service cost me 3100!!).
Feb 2016 62000 mi US $1100	After my trip in December, which included major service and speaker changes, the front right indicator stopped working due to a control unit wiring issue. That was very coincidental but they didn't think it was related.
Sep 2017 66000 mi	The buttons for audio controls / phone were cross wired. After mechanic looked it they found nothing. When I picked up it was the same problem but then the theory was it was likely happening during high temperatures (car was over heated).
Dec 2020 83000 mi	Washer is broken / has leaks.

Mercedes-Benz C-Class in British Columbia, Canada Dec 2009 - Apr 2016
Oct 2012 27680 mi C $22	Melted wiring. right taillights, signal lights gone front left suspension
Dec 2012 29760 mi C $400	transfer case oil leak

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Mercedes-Benz C-Class in California, United States Oct 2009 - Apr 2016
Jan 2011 40000 mi	right tail light harness assembly replaced due to short
Apr 2016 179000 mi US $4000	Flap regulating flow of air to intake manifold broke

Mercedes-Benz C-Class in Michigan, United States Dec 2009 - Mar 2014
Nov 2009 9000 mi	replace battery with weak cell found during first service A, and replaced under warranty
May 2010 11500 mi	Weatherstip molding at top of windows on 3 of 4 doors warped and was replaced. Noticed from wind noise inside and then close inspection of exterior.
Oct 2013 35200 mi US $1200	Replace driver door hinge due to clunking during door open travel Replace window regulator due to shuddering motion when glass lifts/drops Replace steering module in column due to high pitch whining squeal when turning off center.

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Mercedes-Benz C-Class in United Arab Emirates Jul 2010 - Dec 2012
Oct 2012 54960 mi ¤1200	AC Compressor failure and replaced with a denso compressor

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Mercedes-Benz C-Class in Great Britain Apr 2011 - Apr 2016
Nov 2011 52000 mi	Transmission lag on "take off". Software update seems to have fixed the issue.
Mar 2015 65000 mi £229	Rear RH taillamps flickering and dim. Varying error messages on dashboard. Taillamp bulb holder, wiring plug, wiring and other connector pins replaced

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Mercedes-Benz C-Class in South Africa Sep 2014 - Jun 2018
Oct 2017 79980 mi	Car started misfiring then refused to start. The cam gears were damaged and caused the cam to skip a few teeth and gave a cam sensor fault. Engineer replacing valves and valves guides. Cost of repairs was R33500. Luckily had an extended warranty. The presafe system was giving an error so they replaced the module and also the driver seat belt clip and the problem was solved.

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Mercedes-Benz C-Class in California, United States May 2010 - Jun 2011
Jun 2010 23000 mi	Air not coming out of vents side note mercedes customers services SUCKS not the dealer

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Mercedes-Benz C-Class in Great Britain Jun 2009 - Oct 2010
Oct 2009 16000 mi	Cruise control stopped working intermittently. Dealer replaced sensor between stalk switch and computer.
Jun 2010 29000 mi	alloy wheel corrosion, wheels refurbished at dealer's expense. 2 days in shop, but courtesy car given.

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Mercedes-Benz C-Class in New South Wales, Australia Feb 2008 - Jan 2014
Dec 2008 6820 mi	Repaired rattle in rear parcel shelf under warranty.
May 2009 9300 mi	oil leak on steering shaft Small increase in fuel consumption Checked.No problem found.
Oct 2010 21700 mi	Auto gear Box rear seal leaking & replaced
Nov 2010 22500 mi	Bonnet star emblem corroded ...replaced. Drivers side wheel emblem wheel centre white opaque film on edge ....replaced. Black plastic strip on roof had rough edges ...replaced.
Jan 2014 23560 mi	Glove Box opened way too far. Problem was that the cord brass clamp had broken attachment to the damper which allowed the glove box to fall. Repaired by creating the loop with an electrical wire clamp .

Mercedes-Benz C-Class in Western Australia, Australia Oct 2010 - Jul 2016
Jun 2011 34720 mi	Tail light assembly melted due to high resistence connection in the power plug
Nov 2011 39760 mi	Windscreen water bottle leaking
Oct 2014 74160 mi A $2000	EIS module. Car was terminally dead had to be loaded onto a truck and taken to the dealer.
Jun 2015 85560 mi A $300	egr valve failed black smoke from exhaust found ruptured pipe between intercooler and turbo
Sep 2015 89900 mi	Poly Belt tensioner failed

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Mercedes-Benz C-Class in Taiwan Apr 2012 - Apr 2012
Apr 2012 19840 mi	noise in folding and unfolding rearview mirrors

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Mercedes-Benz C-Class in Slovenia Jan 2017 - Feb 2017
Feb 2017 82460 mi €2000	Chain problems and propshaft bearing

Mercedes-Benz C-Class in New South Wales, Australia Aug 2008 - Jun 2018
Apr 2013 37500 mi A $175	Fused return wire and destroyed connector for left hand rear light assembly - this problem was noted by the dealer in the same month on two other cars of the same year and model. The assembly on the other side had similar issues developing.
Mar 2014 43400 mi	The SRS Control Module was replaced at regular annual service as part of a Field Service Notice for in-warranty replacement for potentially faulty part effecting vehicle safety - had to wait an extra day as dealer had incorrect part in stoc.

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Mercedes-Benz C-Class in Singapore Feb 2013 - Oct 2015
Nov 2013 63240 mi $1000	Replacement of secondary air flap actuator
Nov 2014 75580 mi $1335	Replaced front and rear shock absorbers together with the front absorber mountings and front absorber stoppers.
Mar 2015 79980 mi $2800	Replaced the steering lock ECU which had malfunctioned and immobilized the car. Replaced camshaft magnet clutch together with plug and seal ring, as these were leaking oil. Replaced both front brake discs as these were deformed together with both control arm bushes. Also replaced one disc pad and one brake sensor.

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Mercedes-Benz C-Class in California, United States Nov 2008 - Mar 2018
Mar 2018 69000 mi US $2000	CD Player not working. Was quoted $2,000 to replace entire system. Opted to to replace it at this time

Mercedes-Benz C-Class in Minnesota, United States May 2012 - Sep 2013
Sep 2012 45000 mi US $100	replaced sunroof switch

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Mercedes-Benz C-Class in New York, United States Jul 2010 - Jun 2011
Aug 2010 16000 mi US $2	Headlight bulb went out. Check engine light came on for broken tail lamp but it wasn't.

Mercedes-Benz C-Class in Ohio, United States Aug 2007 - Mar 2010
May 2008 6000 mi	Chrome trim piece was loose. Bracket was broken and they ordered a new one. Rubber stop for radio panel cover fell out. Part was ordered by dealer.
Jan 2009 12000 mi	Check engine light came on. Dealer reported it was an issue wit a sensor, reflashing the computer fixed the error.

Mercedes-Benz C-Class in Minnesota, United States Jan 2008 - Mar 2017
Jun 2009 16000 mi	Noticed noise from rear of car on bumps. They replaced one of the rear shocks which was the cause.

Mercedes-Benz C-Class in California, United States Feb 2008 - Jun 2014
Jun 2009 4000 mi	Bluetooth phone static. Dealer updated Command System Software. Side view mirrors squeaked when unfolding. Successfully repaired per TSB.

Mercedes-Benz C-Class in Washington, United States Apr 2011 - Apr 2013
Apr 2013 45000 mi US $1400	Seatbealt sensor failure which won't trigger air bag.(600) Ground wire issue ($300) brakes ($500)

Mercedes-Benz C-Class in Connecticut, United States Sep 2007 - Mar 2010
Jan 2008 2000 mi	key stopped working, dealer ordered new key

Mercedes-Benz C-Class in Nuevo Leon, Mexico Sep 2009 - Oct 2011
May 2011 34880 mi $200	Check Engine light warning on dashboard. Dealer cleaned ignition system and some engine parts.

Mercedes-Benz C-Class in Florida, United States Sep 2011 - Jan 2013
Jan 2013	Blower motor failed

Mercedes-Benz C-Class in Texas, United States Aug 2008 - Jan 2013
Jun 2011 54000 mi US $280	Leaking water from cylinder block. Replaced expansion plugs.

Mercedes-Benz C-Class in British Columbia, Canada Sep 2012 - Nov 2014
Nov 2013 59060 mi C $400	Parked at the airport for 3 days Electric door locks not functioning Manually unlocked, alarms sounded when opening the door Unable to start required boost (MB roadside assist) replaced battery
Jun 2014 64480 mi	Passenger side mirror making noise when folding Command control knob - rotary portion quit working

Mercedes-Benz C-Class in Texas, United States Aug 2007 - Aug 2010
Jun 2008 10000 mi	Low tire pressure indicator came on. Tires were checked and found to be OK. Service reset it.
Dec 2009 39000 mi	Engine sensor.
Jan 2010 40000 mi	retracting outside mirrors squeaked.
Jul 2010 42000 mi US $350	Outside handle on driver door paint split. Horn out. Had to replace it to pass inspection.

Mercedes-Benz C-Class in Texas, United States Nov 2008 - Jun 2010
Mar 2009 13000 mi	Bluetooth interface required software update per technical service bulletin for choppy transmission of phone calls Popping noise in right front suspension when turning wheel and backing up vehicle every time. Was told "could not replicate". Power folding mirrors squeal about 15% of the time when folding in after locking car. Was told "could not replicate". Problem remains.
Dec 2009 25000 mi	folding side mirrors squeak when moving. Initially reported one year ago but dealer said it was fine. Problem persisted and convinced dealer to fix it on this trip. front tie rods replaced in steering/suspension. Backing up the car and turning the wheel caused a loud popping noise. Reported one year ago and dealer had declined to fix. Convinced dealer it was a problem and they agreed to fix it this time.

Mercedes-Benz C-Class in California, United States Aug 2008 - Jun 2011
Oct 2008 2000 mi	Noise from engine/dashboard - it was an A/C vacuum hose rubbing up against the Master Brake Booster (can't remember exact name), and the vacuum hose was slightly rerouted according to MBZ. Initially could not replicate.
Dec 2008 7000 mi	Driver's seat is moving slightly during turns and appears to be loose. I have notified the dealer multiple times, and at this point they're saying that the seat is within factory specifications. I will be filing a complaint with NTSB/NHTSA.
Jul 2009 16000 mi	Coolant leak on freeway - loose hose; covered under warranty. Fogging in headlights (Xenon) - MB states this is 'normal' Software upgrade to Media player (media player would lock-up) Seat rails replaced (previous complaint now resolved) Coolant leak on freeway - loose hose; covered under warranty. Fogging in headlights (Xenon) - MB states this is 'normal'; Software upgrade to Media player (media player would lock-up malice Seat rails replaced (previous complaint now resolved
Mar 2010 26000 mi US $53	Regular maintenance and break/fix for both sun visors and folding mirrors.
Mar 2011 35000 mi	Failed to replicate a rattle. Spent $1000 for service and all 4 tires replaced.
Jun 2011 35000 mi	Still rattling when sold.

Mercedes-Benz C-Class in District of Columbia, United States Jul 2008 - Apr 2018
Sep 2008 1000 mi	Sunroof stuters when closing. Reprogramming did not solve the problem.
Oct 2008 2000 mi	Sunroof stutter and rattle fixed, though new rattle introduced in the sunroof cover when opened fully.
Jan 2009 3000 mi	Dashboard rattles + back seat squeaks below 40F.
Dec 2009 9000 mi	Intermittent rattles (i) in driver-side window (disappears if window slightly open) and (ii) from instrument panel. Shop "could not replicate" but offered to go on a trip with driver when the driver has the time.
Jul 2010 13000 mi	Dashboard rattle is now gone.
Aug 2011 20000 mi	Dashboard rattle. Fixed by disassembling, reattaching wiring harness and lining up with felt. Cracked (not torn) driver's seat cover (MB TEX). Seat cushion and cover replaced under warranty. Sunroof making strange noises when opening. Had gone off its tracks, fixed (realigned/lubed) under warranty. Driver-side window rattle under cold weather conditions. Weather was warm, dealer could not replicate.
Jul 2012 27000 mi	Recurring rattle in the sunroof (seems to be an annual issue, take a year or so to develop). Repair was successful for roof. Recurring rattle in dashboard (instruments binnacle, pops up on harsh roads every 6 months or so). This one returned two days after the repair.
Jan 2013 18000 mi	Retrofit Adapter Wiring Harness on Camshaft Adjustment Solenoids squeak from steering column; steering system is okay, just a rattle
Aug 2013 36000 mi US $175	Crank position sensor malfunctioning -- replaced.
Sep 2015 46000 mi	crack in driver's seat MBTex cover. had a crack at the same place after 3 years of ownership, it is back -- same type of crack, same place.
Jan 2016 34000 mi US $800	Transmission mounts on the way to collapsing. Transmission leak also needed to be fixed. Alternator shot (bearings)

Mercedes-Benz C-Class in California, United States Aug 2007 - Nov 2017
Sep 2007 50 mi	Volume on TeleAid is too loud.
Nov 2007 2000 mi	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.
May 2008 13000 mi	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.
Aug 2016 131100 mi US $350	Oil Cover leak

Mercedes-Benz C-Class in Ontario, Canada Mar 2012 - Jun 2013
May 2012 65200 mi	Replaced headlight bulb. Otherwise bulletproof.

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Mercedes-Benz C-Class in Ontario, Canada Oct 2007 - Jan 2013
Feb 2012 32200 mi C $400	Whining noise from the transfer case. The shop advised to wait and see. The cost quoted was only for the diagnosis.
Jan 2013 31000 mi C $253	Heater blower failed and would not blow any warm air into the cabin.

Mercedes-Benz C-Class in South Africa Jan 2010 - Jun 2012
Oct 2011 38640 mi	Right fog light warning=dealership Replaced light
Jun 2012 44640 mi	EIS (electronic ignition switch) module replaced.

Mercedes-Benz C-Class in Ontario, Canada Feb 2008 - Dec 2014
Feb 2012 27900 mi	SRS Malfunction issue. Seemed to be a issue with the seat belt
Aug 2014 44920 mi	All of the lights were failing (side, indicator, brake, etc.). Received a letter from Mercedes about potential recall, but no official recall was received.
Sep 2014 45260 mi C $1500	Had an issue with the SRS system. Kept getting warning messages on the dash. They said the SRS control module had to be replaced

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Mercedes-Benz C-Class in Georgia, United States Jun 2010 - Feb 2011
Aug 2010 44000 mi	The studded pad came off of the emergency brake pedal.
Oct 2010 45000 mi	Cruise control only worked at times. ESP inoperative. Replaced control module on the steering column Rattle in dash left side near fuel gauge Removed instrument cluster bezle and applied noise reduction felt Noisy air conditioning vents. The stepper motors were out of sync. They renormalized all stepper motors.
Nov 2010 48000 mi	Left low beam headlight burnt out

Mercedes-Benz C-Class in Washington, United States Jan 2009 - Jul 2011
Feb 2011 15100 mi	iPod interface freezes with high-capacity iPods (over 32GB)

Mercedes-Benz C-Class in California, United States Nov 2007 - Jun 2015
Nov 2010 31000 mi	Transmission bit slow to downshift. Updated software.
Jan 2011 33000 mi	Sirius Radio 100 percent broken. They diagnosed it, and they replaced the Sirius receiver module in the trunk a $700+ item, but covered under warranty.
Jul 2011 35000 mi	Rear Door Lock Pins would fall off if tried to use to unlock rear doors. Rear passengers therefore couldn't unlock rear doors. They replaced the pins. Driver seat would rattle going down the road and when you got in and out of car. Added some installation. Ordered some parts in case it came back.
Nov 2011 36000 mi	When braking or accelerating from a stop, passenger seat would CREAK & slightly MOVE. Replaced height adjustment part ($1500 part supposedly).

Mercedes-Benz C-Class in Washington, United States Jan 2008 - Jun 2011
Feb 2009 21000 mi	Exhaust Cam Sensor had failed

Mercedes-Benz C-Class in California, United States Sep 2010 - Aug 2011
Jan 2010 30000 mi	All Warranty

Mercedes-Benz C-Class in California, United States Dec 2016 - Jun 2018
Mar 2016 93000 mi US $1200	Electronic ignition lock module failed. Needed replacing - and required Tow to dealer.
Oct 2016 97000 mi US $100	replaced two cam sensor magnets on intake due to CEL. Easy DIY with BOSCH parts. Oil leaks through seal into electrical connector causing CEL and issue with cam timing. Previous replaced cam sensors on same bank - but I think magnets was actually what issue is. Common problem.
Jul 2017 104000 mi US $1250	Temp warning light came on after short trip. Mechanic read codes - thermostat issue and cooling fan issue. Replacing both.

Mercedes-Benz C-Class in North Carolina, United States Oct 2014 - May 2016
Aug 2015 114800 mi US $2100	Steering became 'tight ', then would periodically 'slip' - the wheels would track, but the steering wheel would feel disconnected for a few degrees of turn

Mercedes-Benz C-Class in Texas, United States Oct 2013 - May 2015
Nov 2014 74300 mi	Blower motor replaced

Mercedes-Benz C-Class in Florida, United States Feb 2015 - Mar 2015
Feb 2015 84000 mi US $1300	Car would not start had to tow to Mb specialty shop. Electronic Steering column lock and Eis system replaced.
Mar 2015 87000 mi US $1000	Ac blowing warm air. Ac compressor replaced for the 2nd time

Mercedes-Benz C-Class in Oklahoma, United States Jan 2012 - Sep 2014
Sep 2013 55000 mi	Radio works intermittently. It loses communication with the main computer.
Sep 2014 63000 mi	Radio works intermittently. It never was fixed because the shop I took to needed to replicate it and I could never get it to do it while there, so it was sold with the problem.

Mercedes-Benz C-Class in California, United States Mar 2008 - Mar 2010
Jun 2008 4000 mi	squeak

Mercedes-Benz C-Class in Connecticut, United States Feb 2008 - Mar 2010
Jan 2008 988 mi	replace right side cylinder head and valve cover due to crack causing loss of oil

Mercedes-Benz C-Class in Illinois, United States Sep 2007 - Jan 2010
Jan 2008 1180 mi	headlight washers blast the entire front end of the car tire pressure sensor warning comes on regularly

Mercedes-Benz C-Class in California, United States Sep 2014 - Dec 2015
Sep 2014 96000 mi US $1300	steering locking mechanism malfunction

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Mercedes-Benz C-Class in New Jersey, United States Oct 2008 - May 2011
May 2011 16000 mi	Transmission fluid leak. transmission gasket replaced.

Mercedes-Benz C-Class in Connecticut, United States Feb 2008 - Jan 2011
Apr 2008 1000 mi	Power moonroof did not close automatically. Moonroof sunshade not installed properly, made a slapping noise when driving over bumps in road. New sunshade installed.
Jun 2008 3000 mi	Power moonroof: the "one touch close" feature does not work.
Jul 2008 4000 mi	Fourth trip for moonroof one touch close does not operate. This time reflashed.

Mercedes-Benz C-Class in Ohio, United States Feb 2008 - Mar 2010
Mar 2008 600 mi	Excessive right rear brake dust. Dealer replaced both rear calipers. Ding in left rear door B-Pillar trim. Replaced the trim piece. Replaced both rear calipers due to excessive right rear brake dust.
Jun 2008 3500 mi	Drivers side outside mirror glass vibrated. Dealer replaced mirror glass and housing assembly. Center seatbelt in rear deck was rattleing. Dealer put insulation around center seatbelt bracket. Fixed rattle in rear deck that was the center seatbelt, fixed left sideview mirror for vibration.

Mercedes-Benz C-Class in Colorado, United States Mar 2008 - Jun 2011
May 2008 2000 mi	Rear door latch difficult to close.
Jul 2008 10000 mi	Rear door alignment needed to be adjusted. Transfer case inside of transmission developed high-pitch noise when vehicle was moving above 45 mph. Dealer determined problem as transfer case; Mercedes-Benz told dealer to replace entire transmission. Loaner car provided. Vehicle successfully fixed.
Jan 2010 39000 mi	Engine would turn over, but not start or even fire. Had to be flat-bedded to dealership. Dealer could not find any problem. Car started right up for them. They did go ahead and update engine software while it was there. Car now running fine.
Jun 2011 53000 mi	Transmission was trying to start in two different gears. Would jerk free. No CEL. Dealer determined it needed software update. Car traded the following week.

Mercedes-Benz C-Class in Illinois, United States Oct 2007 - Dec 2016
Sep 2008 7000 mi	Short in fuel sending unit. Fuel pump and sending unit replaced and computer system reflashed.
Oct 2008 7000 mi	Fuel level sending unit was bad. Fuel sending unit replaced.

Mercedes-Benz C-Class in Pennsylvania, United States Jun 2008 - May 2011
Jul 2008 2000 mi	Several minor delivery issues. Biggest was Ipod volume issue repaired with part number I provided to them. Dealer had no idea part existed.
Sep 2008 4000 mi	Driver window auto-up function stopped working. Window could be put up on own, but then lowered itself again. Car continues to make pulsating humming sound when driven at highway speeds. Dealer said my tire sidewalls were too stiff and this caused it. Um, yeah.
Apr 2009 13000 mi US $380	Driver's seating material separated. Not punctured, but separated. Bottom seat cover replaced. Auto transmission shifting too erratically and frequently for no reason. Software update appears to have corrected the problem. Vehicle was "lurching" forward when coming to a complete stop as transmission shifted back into first gear. Told there was a software update for this. Apparently corrected problem. Pronounced accelerator lag from stop. Software update makes significant improvement, but issue still present to a minor degree. My next MB will be a manual shift though. Cell phone bluetooth integration provided echoing and unusable voice response during calls. While I noticed problem, was advised there was a TSB/software update for this. Seems to have corrected problem.
Jun 2009 14000 mi	Prior problem with window not going all of the way up and the express up/down feature not working reappeared. Diagnosed this time as a faulty window control module. Part replaced.
Sep 2009 17000 mi	Apparently the transmission ECU died. Car would only run in limp home mode. ECU replaced (3x actually) and trans oil replaced.
Mar 2010 23000 mi	COMAND screen would lock in closed position. Doors would lock unexpectedly (not just the 9 mph lock), and once locked me out of car while it was running.

Mercedes-Benz C-Class in Ontario, Canada Jan 2008 - Apr 2018
Jan 2011 27900 mi	No cabin heating, blower not working. Unfroze blower fan and installed updated lower wiper cowl/grill for snow ingress.
May 2011 31620 mi	A/C blower fan was not working and it had to be replaced.
Aug 2013 53940 mi C $600	Crack is arm rest. Replaced entire drivers door panel
Aug 2015 69720 mi C $1675	Difficulty selecting forward or reverse. Conductor plate failure.
Jun 2016 74400 mi C $333	HID headlight replacement
Aug 2016 75100 mi C $50	Repair broken Scolling Knob COMAND Console Control shaft.
Dec 2016 76880 mi C $550	Blower motor for heater & A/C failed

Mercedes-Benz C-Class in Michigan, United States Oct 2011 - Feb 2012
Dec 2011 47000 mi	Bluetooth was not clear. Dealer replaced COMAND system.

Mercedes-Benz C-Class in Vermont, United States Oct 2013 - Nov 2016
Sep 2014 100000 mi US $66	failed idler wheel bearing. Diagnosed and repaired in 1 hour
Jun 2015 124000 mi US $750	Ignition switch failed, stranding car. Flatbedded to dealer via Merceds Benz Roadside assistance Corroded transmission fluid pan

Mercedes-Benz C-Class in Utah, United States Aug 2013 - Sep 2013
Sep 2013 50000 mi US $349	The belt tensioner was broken and had cut part off the belt

Mercedes-Benz C-Class in Minnesota, United States Jul 2012 - Jun 2018
Jun 2013 62000 mi	Leaky Transfer case
Oct 2017 121000 mi US $70	Faulty blower.

Mercedes-Benz C-Class in Texas, United States Dec 2016 - Apr 2018
Dec 2016 94000 mi US $1130	Electric steering wheel faulty. Had to replace the part and it was expensive to repair and must be done at dealer only.
Mar 2018 116000 mi US $45	Replaced serpentine belt and idler pulley. The serpentine belt was damaged and caused the pulley to fail.

Mercedes-Benz C-Class in Virginia, United States Jan 2008 - Mar 2010
Apr 2008 9484 mi	Popping noise from left front - R & R left front strut and realign spring.
Dec 2008 20412 mi US $460	Brake Pad Light On - R & R Right front brake sensor cable, was physically broken.

Mercedes-Benz C-Class in Ontario, Canada Aug 2007 - Dec 2011
Oct 2007 1240 mi	Heated seats and rear sunshade not working, loose connector.
Mar 2008 4960 mi	Heater fan not working from time to time. Replaced heater motor.

Mercedes-Benz C-Class in Colorado, United States Jun 2016 - Jan 2022
Jul 2017 74000 mi US $6671	Whining noise was diagnosed as transfer case bearing that cannot be replaced. Since TC is part of the transmission (4MOTION model) a re-manufactured transmission was installed. While this happens in the all-wheel-drive c300s, I consider it just an unlucky occurrence that I have one that failed. It is still a beautiful car and now it's pretty much bullet-proof!
Nov 2017 79000 mi US $300	Replaced blower motor and resistor for HVAC system.
Apr 2018 82300 mi US $450	Replaced all four rotors and pads

Mercedes-Benz C-Class in New York, United States Jun 2009 - Jun 2018
Jun 2010 26000 mi	The side mirrors squeak when they automatically fold in. They adjusted the mirrors but I think I will be going back since they still squeak at times.
Aug 2011 38000 mi	Fixed squeaking mirrors. Fixed AC from smelling like smoke. Check engine light something with Camshaft, manifold?
Dec 2013 60000 mi US $600	Musty AC smell. Cabin Filter replaced. Check Engine light, cam magnets need replacement. squeaky side mirrors. fog and rear lights would come on when car is parked and key is in my pocket.
Dec 2014 68000 mi US $2500	Idler pulley, serpentine belt replaced
Jun 2018 108000 mi	Radio know doesn't change channels or control volume. I decided to live with and use steering wheel.

Mercedes-Benz C-Class in Illinois, United States Nov 2007 - Sep 2017
Jul 2008 6000 mi US $500	Valve stem caps fused with sensor.
Jul 2009 16000 mi	driver side mirror motor was squealing occasionally
Jul 2010 24000 mi US $13	transmission lagged from reverse to drive bluetooth intermittent, audio fade not working right... not much improvement. passenger mirror motor squealing interior chrome peeled, replaced under warranty. rear door unlock pins replaced as they pulled off in very mild use
Aug 2010 24500 mi	Idler pulley replaced
Aug 2011 32000 mi	a/c unit wasn't cooling. leak found at main valve. replaced and recharged.
May 2013 41600 mi US $300	TPMS sensors needed replace due to splitting from corrosion. Never previously checked by dealer it seems.
Apr 2016 56000 mi	Command Unit Issue caused as a result of the dealer breaking the harness during an unrelated recall (SRS)

Mercedes-Benz C-Class in Ontario, Canada Mar 2009 - Feb 2018
Oct 2010 10840 mi	tranny leak
Feb 2011 12400 mi	Trans Fluid leak discovered by dealer. heater fan stuck intermittently
Sep 2011 16740 mi	cd drive replaced
Dec 2011 17360 mi	cure oil leak
Aug 2017 47120 mi C $1400	Replaced engine and transmission mounts
Dec 2017 47740 mi C $2500	Replace torn cv joint cover. Requires whole new axle

Mercedes-Benz C-Class in Quebec, Canada May 2008 - Oct 2011
Jul 2008	Rattle in top of dash behind steering wheel. Had to leave car twice.
Nov 2008	Sirius radio loses signal often and goes silent for a second. According to dealer, unit is perfect, and Sirius signal is to blame. Sunroof rattles when fully opened.
Dec 2008	Windshield Wipers very noisy. Do squeak sound when reaching top of windshield. Dealer changed wipers, and it made no difference.
Mar 2009 12400 mi	Car still takes forever to reach operating temperature. Nine km commute to work isn't enough at close to 0 degree Celsius temperatures, whether city or highway. This hurts fuel economy. Does thermostat stay open?
Oct 2011 30380 mi	Low Oil light kept coming on. Dealer changed sensor, and it was worse. I had to go back, and they changed the sensor's connector. No more problem. They replaced another power outside mirror, because it had become noisy. They replaced the driver's side sun shade, becasue it was loose in its mount.

Mercedes-Benz C-Class in Pennsylvania, United States Sep 2009 - Mar 2011
Sep 2010 6000 mi	Sirius receiver keeps losing and hunting for signal. Dealer suspected water leak around antenna but could not duplicate problem. Unresolved as of now. Sat radio receiver previously replaced. Supposedly tested and showed no problem.

Mercedes-Benz C-Class in Illinois, United States Feb 2010 - Oct 2014
Apr 2010 24000 mi	Leaky tire valve stem/TPMS replaced in one tire.
Dec 2010 32000 mi	Turn signals behaving erratically (blinking left when turn stalk pushed right, or not blinking at all). Replaced one of the car's computers (SAM) and reprogrammed it.
Oct 2011 38000 mi	Sunroof stuck in a tilt-up position. Car connected to a computer and reset.
Jun 2012 43000 mi	Navigation system replaced due to hard drive problem. Turn signal stalk malfunction: when turned to left, the car would actually turn on the right side indicators and vice versa. Sometimes the indicators would not turn on at all.
Mar 2013 52000 mi	1. Fluid leaking from transfer case. Transfer case resealed. 2. Fluid leaking from cam plugs. Replaced cam plugs. 3. Vibration felt when stopped (with foot on brake). Replaced motor mounts to correct the problem. Performed service action SC-2012070002. Camshaft adjustment solenoid may leak oil due to settling properties of seal and the engine wiring harness will be retrofitted with four adapter harnesses as a precautionary measure.
Dec 2013 61000 mi	Catastrophic failure of the transfer case (part of AWD system). Since the transfer case is integrated with the transmission, the whole transmission was replaced.
Jan 2014	Self-folding side view mirror not unfolding correctly - unable to view the mirror. COMMAND control wheel not operating correctly.

Mercedes-Benz C-Class in Pennsylvania, United States Jun 2011 - Mar 2016
Jul 2013 76000 mi US $1700	Transmission Conductor Plate and Valve Body replaced.

Mercedes-Benz C-Class in Ontario, Canada Nov 2007 - Mar 2010
Mar 2008 4960 mi	HVAC blower motor freezes in cold weather. Waiting for permanent repair procedure from factory.
Oct 2008 12400 mi	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.

Mercedes-Benz C-Class in Connecticut, United States Nov 2008 - Mar 2010
Aug 2008 13344 mi	Vehicle was towed to the dealer due to having a very noticable bogging of the engine/ feeling of a slipping transmission. After 5 days, dealer neglected to find any problem.
Nov 2008 17000 mi	Vehicle was brought to the dealer with the same bogging down problem. Master Technician test drove the car with me but the problem would not re-occur. Problem does exist.
Dec 2008 19014 mi	Check engine light comes on while driving. Brought to dealer, code shows that emissions system is inop. Left and right air pump switches get replaced. Issue is solved. Check engine light comes on while driving. Brought to dealer, code shows that emissions system is inop. Left and right air pump switches get replaced. Issue is solved.
Jan 2009 19331 mi	Automatic folding mirrors are squeeking. Dealer fixed... for now. Automatic folding mirrors are squeeking. Dealer fixed... for now.

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Mercedes-Benz C-Class in North Carolina, United States Nov 2010 - Sep 2016
Oct 2011 49000 mi US $600	Steering wheel lock replacement

Mercedes-Benz C-Class in California, United States Aug 2011 - Mar 2018
Jul 2012 43200 mi	Serpentine belt pulley bearing pending impingement. (Squealing- bearing going bad). Belt beginning to show damage. Steering key lock system failure-Key would not start vehicle. Required replacement key lock mechanism.
Dec 2012 45000 mi	vent actuator, faulty since date of purchase resolved
Dec 2013 54000 mi	right rear tail light appeared dim. Dealer replaced harness and housing. Took three hours.
Apr 2014 54200 mi	Control knob ceased working, replaced under extended warratny.
Sep 2015 63000 mi US $280	Schedule B5 maintenance with oil change. Camshaft sensor indicated in codes. Nothing done about it yet.
Jan 2016 56200 mi US $130	Cam positioning sensors were replaced with no labor charge. Engine light prevented smog check.
Sep 2016 76000 mi	Cam Sensors triggering engine warnign light, 2nd time of this same issue, same repair as previous- replace cam adjuster solenoids.

Mercedes-Benz C-Class in California, United States Apr 2012 - Jan 2022
Feb 2012 36000 mi	Wiring harness for right side tail light assembly replaced.
Jul 2012 38500 mi US $217	The a/c vent directional vanes in the center of the dash broke. Both vents were replaced.
Dec 2012 42000 mi US $91	Serpentine belt was coming apart and the tensioner was squeaking. Also replaced a bad pulley.
Jun 2013 44000 mi	The slide lever that moves the drivers side AC vent vanes broke. I took the dash apart, removed the vent, repaired the lever and reassembled everything.
Jun 2014 51000 mi US $1150	Car would not start. ESL (Electronic Steering Lock) failure. ESL replaced.
Mar 2016 65000 mi	Bad install on the SRS recall. This trip fixed the bad install.
Dec 2016 71000 mi US $685	Thermostat failed. Thermostat replaced.
Sep 2018 89000 mi US $20	Right headlight bulb burned out. Replaced both with new bulbs.

Mercedes-Benz C-Class in California, United States May 2017 - Oct 2017
Jul 2017 53000 mi	Outside-air vent flap making rubbing sound when opening and closing. Glove box was removed and lube sprayed onto driver side hinge of flap. Sounds reduced but still audible. While headlight switch is in "on" position, headlights turn off and on by it self. Attempted to remedy problem by removing then disassembling light switch and rotating responsible contact switch on circuit board several times, then light switch was reassembled. Problem went away for two weeks, but now is back.
Sep 2017 55000 mi US $10	Dash warning about right taillight when left taillight had a burned out bulb, also right taillight harness plug was melted onto the taillight assembly. Changed left taillight bulb and added grounding wire to right taillight harness, dash warning went away. Clutch pedal would become stiff when car is warmed up. Multiple attempts at resolving the issue were unsatisfactory. Settled on spraying low viscosity oil on the clutch master cylinder behind the dust boot. The stiffness is lessened, but persists.
Oct 2017 55000 mi	While headlight switch is in "on" position, headlights turn off and on by it self. Replaced headlight switch, problem gone. New switch was about $100, DIY job.

Mercedes-Benz C-Class in Georgia, United States Mar 2010 - Jul 2022
Feb 2011 18000 mi	Needed to replace manual transmission
Jun 2014 49000 mi US $795	ESL (Electronic Steering Lock) Failure
Dec 2015 60000 mi US $15	Leaking oil from camshaft access port plug

Mercedes-Benz C-Class in Alberta, Canada Jan 2010 - Oct 2011
Jan 2011 33480 mi	Accessory pulley - bearing noisey

Mercedes-Benz C-Class in Oregon, United States Jun 2013 - Jul 2013
Jul 2013 38000 mi US $130	2nd time serpentine belt replaced and this time the upper guide pulley and the tensioner were replaced. Manufacturers defect in my opinion.

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Mercedes-Benz C-Class in Ontario, Canada May 2011 - Jan 2017
Feb 2012 34040 mi	Blower noisy. Motor replaced.
Nov 2013 49560 mi	Unable to start
Jan 2014 50100 mi C $1000	Key lock electronic dead
Aug 2014 57400 mi C $400	Cylinder misfire. Fuel injector defective
Apr 2015 62000 mi C $150	Door lock actuator broken
Jan 2017 68200 mi C $600	exhaust crank sensor defective

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Mercedes-Benz C-Class in Sweden Oct 2010 - Jan 2011
Nov 2010 2480 mi $1000	Generator was broken, heard a loud noise everytime I started the car.

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2011 Mercedes-Benz C-Class repairs by problem area

2011 Mercedes-Benz C-Class repair cost distribution

2011 Mercedes-Benz C-Class 4dr Sedan

2011 Mercedes-Benz C-Class 4dr Sedan

2011 Mercedes-Benz C-Class 4dr Sedan

2011 Mercedes-Benz C-Class 4dr Sedan

2011 Mercedes-Benz C-Class 4dr Sedan

2011 Mercedes-Benz C-Class 4dr Sedan

2010 Mercedes-Benz C-Class

2010 Mercedes-Benz C-Class 4dr Sedan

2010 Mercedes-Benz C-Class 4dr Sedan

2010 Mercedes-Benz C-Class 4dr Sedan

2010 Mercedes-Benz C-Class 4dr Sedan

2010 Mercedes-Benz C-Class 4dr Sedan

2010 Mercedes-Benz C-Class 4dr Sedan

2010 Mercedes-Benz C-Class 4dr Sedan

2010 Mercedes-Benz C-Class 4dr Sedan

2010 Mercedes-Benz C-Class 4dr Sedan

2010 Mercedes-Benz C-Class 4dr Sedan

2010 Mercedes-Benz C-Class 4-door

2010 Mercedes-Benz C-Class 4-door

2009.5 Mercedes-Benz C-Class 4dr Sedan

2009 Mercedes-Benz C-Class

2009 Mercedes-Benz C-Class 4dr Sedan

2009 Mercedes-Benz C-Class 4dr Sedan

2009 Mercedes-Benz C-Class 4dr Sedan

2009 Mercedes-Benz C-Class 4dr Sedan

2009 Mercedes-Benz C-Class 4dr Sedan

2009 Mercedes-Benz C-Class 4dr Sedan

2009 Mercedes-Benz C-Class 4dr Sedan

2009 Mercedes-Benz C-Class 4dr Sedan

2009 Mercedes-Benz C-Class 4dr Sedan

2009 Mercedes-Benz C-Class 4dr Sedan

2009 Mercedes-Benz C-Class 4dr Sedan

2009 Mercedes-Benz C-Class 4dr Sedan

2009 Mercedes-Benz C-Class 4-door

2008.5 Mercedes-Benz C-Class 4dr Sedan

2008.5 Mercedes-Benz C-Class 4dr Sedan

2008 Mercedes-Benz C-Class

2008 Mercedes-Benz C-Class 4dr Sedan

2008 Mercedes-Benz C-Class 4dr Sedan

2008 Mercedes-Benz C-Class 4dr Sedan

2008 Mercedes-Benz C-Class 4dr Sedan

2008 Mercedes-Benz C-Class 4dr Sedan

2008 Mercedes-Benz C-Class 4dr Sedan

2008 Mercedes-Benz C-Class 4dr Sedan

2008 Mercedes-Benz C-Class 4dr Sedan

2008 Mercedes-Benz C-Class 4dr Sedan

2008 Mercedes-Benz C-Class 4dr Sedan

2008 Mercedes-Benz C-Class 4dr Sedan

2008 Mercedes-Benz C-Class 4dr Sedan

2008 Mercedes-Benz C-Class 4dr Sedan

2011 Mercedes-Benz C-Class Repair Histories