There are 12 owner-reported electrical system complaints for the 2010 Mercedes-Benz E-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THE MANUFACTURER REFUSES TO PROVIDE ME WITH THE MAIN FUSE BOX CHART.
My car has this issue that when I am slowing down it will automatically shift to park and will not let me shift to drive until I turn the car off and on. When rolling to a stop, I've had a few instances where the car shifts to park and the car behind me almost hits me due to the car shifting on its own and not allowing me to proceed with the flow of traffic. This puts not only me, but the person behind me at risk. I took the car to a mechanic and he stated that there was no recall for this issue but that I should contact you (NHTSA). The mechanic stated that the component that might be failing is the electrical ignition switch, basically telling the car that there is no key in the ignition. There are no warning lights or any other indication. This has happened to me a multiple times. When this happens, since I am not at a complete stop, it shifts to park and grinds my transmission. This causes the car to abruptly stop without having my foot on the brake to warn the drivers behind me.
THE VEHICLE SLAMS ITSELF INTO PARK WHEN MOVING UNDER 5MPH. THIS MOSTLY OCCURS WHEN TEMPERATURES ARE ABOVE ABOUT 75-80 DEGREES FAHRENHEIT.
THE CAR AUTOMATICALLY SHIFTS ITSELF INTO PARK AT SPEEDS BELOW 5MILES PER HOUR. IT DOES THIS WHEN THE CAR IS VERY HOT. IT LITERARILY PUTS ITSELF INTO PARK WHILE THE CAR IS STILL MOVING.
THE ELECTRONIC KEY FAILS TO RECOGNIZE KEY. VEHICLE DOES NOT START, DOES NOT TURN OFF ONCE STARTED, AND TRANSMISSION SHIFTS TO PARK (P) AT SPEEDS BELOW 6MPH. THIS OCCURED WHILE DRIVING INTO DRIVEWAY AT SHOPPING CENTER, PARKING SPOT, AND MULTIPLE TIMES IN RESTRAUNT PARKING LOT. IT ALSO OCCURED AT A STOP SIGN ANS STOP LIGHT. THE START STOP ISSUE HAS BEEN OCCURING FOR AT LEAST ONE YEAR, DESPITE DEALER SERVICE AND THE SHIFT TO PARK ISSUE BEGAN A FEW WEEKS BACK.
I BOUGHT A 2010 E350 MB IN NOVEMBER OF 2015 AS A BIRTHDAY GIFT. MY 3RD WEEK OF OWN IT THE CHECK ENGINE LIGHT CAME ON AND KEEPS GOING ON AND OFF. BROUGHT IT BACK TO THE DEALER WHERE I BOUGHT IT AND TOLD ME TO BRING IT TO MB. TURN OUT TO BE HECK ENGINE LIGHT DUE TO FAULTY CAMSHAFT ADJUSTER SOLENOID ON MERCEDES-BENZ E350. WHY IS THEIR NO RECALL ON THIS, IT COST $8,000.00 TO GET IT FIXED?
CHECK ENGINE LIGHT COMES ON THAN OFF FOR A FEW DAY AT A TIME. IT COST $10,000.00 TO HAVE IT REPLACE. DON'T HAVE ANY ISSUE WITH THE CAR NOT STARTING OR STALLING. CAR WORKS GREAT. WHY IS THEIR NO RECALL FOR THIS? THOUSAND OF PEOPLE WHO PAY GOOD MORNING FOR A GREAT CAR, LIKE MERCEDES. WE NEED A RECALL FOR THIS> HELLO!!!! PLUS, THE WOOD TRIM ARE FADING, I TRADE TO GET THE DEALER TO REPLACE IT AND THEY WONT $3,500.00 TO DO SO.
MY 2010 E350 CHECK ENGINE LIGHT COMES ON AND OFF BUT MOSTLY ON FOR 5 DAYS OUT OF 1 WEEK, 2 DAYS OFF. BEEN DOING THIS SINCE I GOT IT BOUGHT IT IN NOV OF 2015. I WAS TOLD BY OTHER OWNERS THAT THIS MAY COST UP TO $8/12GS TO GET IT FIX. WHY THERE WASN'T A RECALL FOR THIS? PLEASE EXPAND, ANYONE??????
WE BOUGHT THIS CAR ABOUT A YEAR AGO THE CAR FLASHER AND WIPER CONTROLL ARM DOES NOT WORK ALSO THE HIGH BEAM DOES NOT WORK MY DAUGHTER WAS ON THE HIGHWAY STUCK IN A STORM AND THE WIPER DID NOT WORK AND THE LIGHT LOW BEAM AND THE FLASHER SHE ALSO ALMOST GOT INTO ACCIDENT FOR NOT ABLE TO USE THE FLASHER I HAVE CALLED MERCEDES CUSTOMER SERVICE AND THEY DO NOT WANT TO HELP EVEN WHEN I MENTIONED I WILL FILE A COMPLAINT WITH THE HIGHWAY SAFETY THEY DID NOT CAR .PLEASE LET ME KNOW IF THERE SOMETHING THAT CAN BE DONE.
2010 MERCEDES BENZ E350. CONSUMER WRITES IN REGARDS TO VEHICLE ELECTRICAL PROBLEMS. *SMD THE DEALER TESTED THE BATTERY AND SAID IT WAS GOOD, BUT FOUND A PROBLEM WITH THE EVAP BLOWER AND INSTALLED A NEW ENGINE FAN AFTER TWO DAYS OF ANALYSIS. ON MAY 19, 2014, THE VEHICLE FAILED TO START, FOR A SECOND TIME, AND AGAIN THE DEALER STATED THERE WAS NOTHING WRONG WITH THE BATTERY, THE DEALER INFORMED THE CONSUMER, THE CABIN LIGHT WAS LEFT ON CAUSING THE BATTERY TO BE DRAINED. ON MAY 20, 2014, THE VEHICLE FAILED TO START RIGHT AWAY, SO HE TOOK THE VEHICLE BACK TO THE DEALER. HE IS CURRENTLY WAITING FOR ANOTHER ANALYSIS.
A PINT OF ORANGE JUICE SPILLED ON THE FLOOR OF THE PASSENGER SIDE BACK SEAT. IT WAS CLEANED UP, BUT APPARENTLY SOME OF THE JUICE WAS ABLE TO EVENTUALLY MAKE ITS WAY INTO THE UNPROTECTED ELECTRICAL CONNECTOR LOCATED UNDER THE PASSENGER SEAT FLOOR WELL. THIS CAUSED AN ELECTRICAL SHORT. ACTUAL BURN MARKS IN THE WIRING NEAR THE HARNESS CONNECTOR ARE CLEARLY VISIBLE. FORTUNATELY, THERE WAS NO FIRE, AND THE ONLY INDICATION OF A PROBLEM WAS THAT THE AIR BAG SERVICE LIGHT EVENTUALLY CAME ON. *TR
TL*THE CONTACT OWNS A 2010 MERCEDES E-CLASS. THE CONTACT WAS SITTING IN A PARKING LOT AND WAS ABOUT TO BE HIT BY ANOTHER VEHICLE SO HE TRIED TO ACTIVATE THE HORN WHICH DID NOT WORK. THE VEHICLE WAS NOT TURNED ON AT THE TIME. THE CONTACT CALLED THE MANUFACTURER WHO STATED THAT THE HORN WOULD NOT FUNCTION WHEN THE VEHICLE WAS TURNED OFF. THE CURRENT AND FAILURE MILEAGES WERE APPROXIMATELY 7,800. UPDATED 12/29/10 *BF UPDATED 04/06/11
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026