Mercedes-benz R-class Engine Problems
67 owner complaints filed with NHTSA across 7 model years.
Complaints by Year
Worst year: 2006. Best year: 2012.
Owner Reports
A representative sample of complaints filed with NHTSA.
WIRING FROM ENGINE HARNESS TO FUEL PUMP BURNT ON FREEWAY , ENGINE STALLED AND SHUT DOWN, COULD NOT START BACK UP IN MIDDLE OF I5 FREEWAY. REPAIRS ARE AMOUNTING TO $4000. COULD HAVE BURNT ENTIRE VEHICLE AND AFTER READING NUMEROUS COMPLAIN...
Error codes P0016 and P0017 camshaft out of alignment and vehicle will not pass smog test, also loss of power of the engine.
AS I WAS DRIVING DOWN THE HIGHWAY I PRESSED ON GAS PEDAL AND VEHICLE MADE A VERY LOUD CHAIN WHINE NOISE AND IT CUT OFF IN THE MIDDLE OF HIGHWAY AND NEVER STARTED BACK UP.
TL* THE CONTACT OWNS A 2008 MERCEDES-BENZ R350. WHILE DRIVING APPROXIMATELY 45 MPH, THE ENGINE MADE A LOUD NOISE AND THE VEHICLE SHUT OFF. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE ENGINE NEEDED TO BE REPLAC...
IN 4 SEPARATE INCIDENTS SINCE I PURCHASED MY VEHICLE IN 2012, I HAVE RUN OUT OF GAS BUT THE GAS GAUGE SHOWS MORE THAN 1/4 TANK OF FUEL AVAILABLE. MOST RECENTLY, ON FEB 12,2018, MY CAR STOPPED WHILE TRAVELING 65 MPH ON I-270 IN COLUMBUS O...
TAKATA RECALL THIS VEHICLE HAS AIRBAGS SAFETY RECALL BY TAKATA, THE DEFECTED AIRBAGS ON THIS CAR WAS DISCOVERED 2015, THIS SAFETY RECALL SHOULD HAVE BEEN DISCLOSED TO ME BEFORE I PURCHASED THE VEHICLE IT SHOULD HAVE BEEN DISCLOSED TO...
BALANCE SHAFT GEAR DEFECTIVE APPARENTLY MERCEDES HAS BEEN AWARE OF THIS PROBLEM, CLASS ACTION SUITS HAVE BEEN FILED- NO RECALL YET. I PLAN TO CALL MERCEDES DEALER TOMORROW- DO NOT ANTICIPATE ANY HELP ON THEIR PART - IF THAT'S THE CASE WI...
TL* THE CONTACT OWNS A 2010 MERCEDES-BENZ R350. WHILE DRIVING 20 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT WAS ABLE TO RESTART THE VEHICLE, BUT THE FAILURE RECURRED. THE VEHICLE WAS TOWED TO THE DEALER TO BE DIAGNOSED. THE CO...
COOLANT TANK AND PUMP HAD TO BE REPLACED AFTER LEARNING THAT OIL WAS LEAKING INTO THE TANK. EUROFIX IN NASHVILLE TN STATED ITS GOING TO ALWAYS HAPPEN. I WILL HAVE TO HAVE IT FLUSHED EVERY 3,000 MILES DUE TO THE LEAKAGE IS NON REPAIRABLE....
MERCEDES R350 4MATIC YEAR 2007, CURRENT 80000 MILES. 1/ FIRST ISSUE AROUND 20000 MILES, AC IS NOT WORKING WHEN USED FOR LONG HOURS OF DRIVING. NEED TO STOP THE VEHICLE AND TURN OFF ENG AND RESTART ENG THEN TURN AC BACK ON TO MAKE IT WO...
1. AIR SUSPENSION BAG RT SIDE NEEDED REPLACED. CAR WAS SETTING LOW AND LEANING TO RIGHT REAR- WHILE THIS WAS IN FOR REPAIR HAD MECHANIC CHECK RECENT "CHECK ENGINE " LIGHT CODE CAME UP WITH VERY SERIOUS AND EXPENSIVE ISSUE: 2.BALANCE SHA...
ENGINE BALANCE SHAFT WEARS EXCESSIVELY TO THE POINT WHERE SOME TEETH ARE ALMOST GONE. CAUSES CHECK ENGINE LIGHT TO COME ON AND EXCESSIVE KNOCKING AS AFFECTS IGNITION TIMING. REPAIR IS EXTREMELY EXPENSIVE AS IT REQUIRES TAKING THE ENGINE ...