SIMILAR TO OTHER COMPLAINTS THAT HAVE BEEN FILED AGAINST MERCEDES, IT SEEMS AS THOUGH THE ELECTRICAL CONNECTION TO MY REAR RIGHT LIGHT (BRAKE LIGHT, RUNNING LIGHT, TURN SIGNAL, ETC.) HAS MELTED AND IS NO LONGER OPERATIONAL. THE ENTIRE LIGHT IS OUT AND I GET WARNING MESSAGES ON THE DASH ABOUT THE PROBLEM. IT LOOKS LIKE THIS IS THE SAME PROBLEM THAT EVERYONE ELSE WITH THE SAME MAKE/MODEL AS ME ARE…
2010 mercedes-benz C-Class electrical problems
severe 56 complaints filed with NHTSA · avg repair $850
Complaints
56
Recalls
0
Crashes
0
Avg fix
$850
What owners are reporting 4 most recent
During maintenance of vehicle, completely bare wires were discovered. While researching replacement options, I became aware that this is a known issue ignored by the manufacturer and that no cost effective solution exists. This is a car my son has recently purchased on his own and I am assisting in the maintenance of this "German Engineering Turd" You would have thought they learned a lesson on ar…
REAR DRIVER SIDE LIGHTS NOT FUNCTIONING. FOUND BROWN WIRE MEETING TO CIRCUIT BOARD WITH HEAT DAMAGE TO WIRE AND CIRCUITBOARD AT CONNECTION. CONTACT THE DEALER. DEALERS STATED RECALL WAS DONE ON OUR VEHICLE. HOWEVER THIS APPEARS TO HAVE HAPPENED AGAIN. DON'T KNOW IF THIS HAPPENED WHILE THE VEHICLE WAS IN MOTION. NOTICED WARNING LIGHTS INDICATING BAD CONNECTION TO BRAKE LIGHTS AND TURN SIGNALS DRIVE…
WENT INTO WORK AND CAME BACK OUT TO MY CAR NOT STARTING. BATTERY JUST RECENTLY REPLACED WITHIN THE PAST 6 MONTHS. HAD THE BATTERY CHARGED AND TRIED TO DO A JUMP AND STILL NOTHING. HAD TO GET MY CAR TOWED TO THE AUTO SHOP ONLY TO FIND OUT I HAVE A FAILED EIS, MEANING MY ELECTRONICALLY IGNITION SYSTEM HAS FAILED AND ITS GOING TO COST ME 1000 TO FIX. MY CAR IS OUT OF WARRANTY BUT I FIND THIS A MAJOR …
Common questions
How serious is the electrical problem on the 2010 mercedes-benz C-Class?
It's a meaningful issue. 56 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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