Engine Control Unit failed during warranty after replacement by the Mercedes Benz Dealership. The ECU causes stumbling and cutting out of engine in traffic while driving which can cause an accident putting my self, wife and others at risk. I took the car to the dealership and showed them the stored code of 1596 “The engine off time has an implausible value” (P1026) on the Mercedes Benz Xentry DAS …
2007 mercedes-benz C-Class powertrain problems
moderate 53 complaints filed with NHTSA · avg repair $2,500
Complaints
53
Recalls
0
Crashes
1
Avg fix
$2,500
What owners are reporting 5 most recent
2016 I TOOK MY 2007 MERCEDES BENZ C230, INTO MERCEDES BENZ TO SEE WHY THE CHECK ENGINE LIGHT WAS ON. MY CAR WAS PURCHASED WITH 37K MILES ON IT AT THE TIME I PURCHASED IT. HOW COULD SUCH A MAJOR ISSUE, ARISE IN CAR SO EARLY IN IT'S LIFE. MERCEDES STATED, THAT THEY MAKE THE BEST QUALITY OF CARS IN THE WORLD! THEY STAND BY THIS SLOGAN. HOWEVER, WHY WOULD SUCH A MAJOR ISSUE OCCUR IN A CAR WITH SUCH LO…
I HAVE BEEN DRIVING AND ON MULTIPLE OCCASIONS I HAVE HAD THE CAR UNABLE TO SHIFT OUT OF GEAR, EACH TIME I HAD TO TURN THE CAR OFF AND RESTART . TODAY AFTER ATTEMPTING TO TRY THIS AGAIN TODAY DEC.17, 2013 I FINALLY HAD TO CAR A TOW TRUCK BECAUSE THE CAR WOULD NOT SHIFT GEARS. *TR
TL* THE CONTACT OWNS A 2007 MERCEDES BENZ C230. THE CONTACT STATED THAT WHILE AT A TRAFFIC STOP, THERE WAS AN INCREASE IN ENGINES RPMS AS THE VEHICLE FAILED TO ACCELERATE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, WHO DIAGNOSED THAT THE TRANSMISSION SPEED SENSOR WAS DEFECTIVE AND NEEDED TO BE RESET. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS N…
TL* THE CONTACT OWNS A 2007 MERCEDES BENZ C230. THE CONTACT STATED THAT THE ENGINE RPMS INCREASED TO 4,000 HOWEVER, THE VEHICLE WOULD NOT ACCELERATE OVER 20 MPH. THE FAILURE WAS EXPERIENCED NUMEROUS TIMES. THE VEHICLE WAS TAKEN TO THE DEALER SEVERAL TIMES FOR THE FAILURE. THE DEALER PERFORMED A DIAGNOSTIC THAT WAS UNABLE TO LOCATE A FAILURE CODE. THE VEHICLE WAS TAKEN BACK THE DEALER AND A SECOND…
Common questions
How serious is the powertrain problem on the 2007 mercedes-benz C-Class?
It's a documented issue but not catastrophic. 53 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain 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 $2,500 for powertrain 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 powertrain?
No active recalls currently cover powertrain 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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