2015 Mercedes-Benz C-Class UNKNOWN OR OTHER
Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.
Complaint Timeline
Chronological view of owner reports
MY PANARAMA SUNROOF JUST FAIL AND ALMOST COLLAPSE ON ME. MY CAR IS 5 YEARS OLD. I WAS DRIVING AND IT APPEAR THE GLASS WAS COMING OUT. THE VEHICLE WAS STATIONARY. I'M AFRAID THAT THE GLASS WILL POP OUT AND FALL ON ME. THIS IS SERIOUS. IT COULD HARM ME IF IT FALLS ON ME.
ENGINE LIGHT FAULT PO52E CRANKCASE VENTILATION VALVE FAULT MECHANIC DECLINE REPAIRING. SAID ITS A COMMON PROBLEM OR DEFECT IN ALL C300 MERCEDES BENZ
THE VEHICLE WAS THANKFULLY NOY IN MPTION WHEN MY PANARAMA SUNROOF AND THE SHADES FAILED. THE SHADES I UNDERSTAND ITS NOT A SAFETY PROBLEM, BUT THE SUNROOF NOT BEING ABLE TO HOLD IN PLACE AS IT OPENS IS DIFFERENT. WHEN THE SUNROOF OPENED, THE REAR OF THE ROOF WAS NOT IN PLACE AND SHAKY. WHEN I TRIED TO CLOSE, IT HAD NOT LOCKED ITSELF RIGHT BACK IN PLACE, WHERE I HAD TO TAKE IT TO A MECHANIC JUST TO HAVE IT SHUT TO AVOID THE RAINSTORM YESTERDAY. I RECENTLY DID SOME RESEARCH AND READ THROUGH SOME ARTICLES, HAD A FRIEND OF MINE TAKE A LOOK AT IT AND IT SEEMS TO BE VERY SIMILAR, ALMOST THE SAME AS THE RECALL THEY HAVE DONE ON OTHER YEAR MAKE FOR THE PANARAMA ROOF.
COLLISION ASSIST INOPERATIVE DASH LIGHT CAME ON WHILE HIGHWAY DRIVING FOLLOWED BY A LOSS OF POWER AND ACCELERATION. VEHICLE NEEDED TO BE TURNED OFF AND RESTARTED TO BE DRIVABLE.
WINDOWS RATTLING , THEY SAID THIS PROBLEM IS KNOWN , I TOOK MY CAR 4 TIMES TO GET IT FIX BUT NO LICK. THIS IS VERY BAD WHEN YOU ARE DRIVING.
MULTIPLE INCIDENTS OF 'COLLISION PREVENTION ASSIST PLUS INOPERATIVE'. CAR LOSES ALL POWER UNTIL RESTARTED. THIS HAPPENED SEVERAL TIMES, ONCE ON AN INTERSTATE AT 65 MPH CREATING A DANGEROUS SITUATION. I HAD TO PULL OVER SEVERAL LANES ON THE INTERSTATE WITH NO POWER WHILE OTHER CARS HAD TO AVOID ME. I BROUGHT THE CAR INTO THE DEALER AND AFTER A WEEK OF REPAIRS, THE SAME FAULT HAS OCCURRED TWICE IN THE FIRST 24 HOURS AFTER RETURN OF VEHICLE. FAULT OCCURRED AT 60 MPH DURING A PASSING MANEUVER ON A 2 LANE ROAD. AGAIN, WE WERE PUT IN A VERY DANGEROUS SITUATION. THIS IS AN UNSAFE VEHICLE. ATTACHED IS A PICTURE OF THE DASHBOARD FAULT THAT I PHOTOGRAPHED AFTER THE CAR COASTED TO THE SIDE OF THE ROAD. THE CAR WOULD NOT MOVE UNTIL I TURNED IT OFF AND RESTARTED.
COLLISION PREVENTION ASSISTANCE FEATURE WENT ON AUTOMATICALLY ( AS WELL AS CHECK-ENGINE LIGHT) WHILE DRIVING AT HIGHWAY SPEED IN NORMAL WEATHER. I WAS NOT IN AN ACCIDENT, NEAR ANOTHER VEHICLE AND COMPLETELY AWARE AND DRIVING NORMALLY PRIOR TO THIS OCCURRING. I HAD TO STRUGGLE WITH CAR TO PULL OVER TO SHOULDER, LOSS POWER FROM GAS PEDAL, CAR HARD TO CONTROL. I HAD TO TURN OFF THE CAR, DEACTIVATE THE FUNCTION TO DRIVE. IT HAPPENED AGAIN WHEN I DROVE THE CAR LATER THAT DAY AFTER THE CAR HAD BEEN PARKED FOR A WHILE. TOOK IT INTO SERVICE. THEY WERE ABLE TO FIND THE ERROR CODE.THEY FOUND THAT MERCEDES SENT OUT A MEMO IN SEPT. 2015 STATING THEY ARE AWARE OF THE PROBLEM BUT SERVICE IS NOT TO DO ANYTHING TO "FIX" IT! I HAVE ONLY OWNED THIS CAR FOR 6 WEEKS ,BOUGHT IT NEW AND HAVE LESS THAN 6,000 MILES ON IT. MERCEDES IS NOT OFFERING A SOLUTION BUT MORE OF A WAIT AND SEE ATTITUDE.
Trend Over Time
Complaints by year
Other Issues
Common problems reported
Quick Summary
The 2015 Mercedes-Benz C-Class has 32 UNKNOWN OR OTHER complaints on file. Review the timeline above for detailed owner experiences.