There are 7 owner-reported fuel system complaints for the 2010 Mercedes-Benz S-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2010 Mercedes-Benz S550. The contact stated that after refueling, there was abnormal fuel odor present inside and outside the vehicle. The cause of the failure was not yet determined. The local dealer and manufacturer were notified of the failure, but no assistance was offered. The failure mileage was 110,000. The contact stated that the gas leak was caused by a cracked fuel filter housing. The fuel filter and the fuel pump was replaced. The contact is requesting a full reimbursement of the cost of repairs.
Vehicle garaged in storage for summer. Upon returning strong odor of gasoline was detected. Reluctantly drove to dealership and prognoses was determined that (fuel pump strainer) had malfunction thus soaking the entire rear passenger compartment and seat cushion. Upon investigation Mercedes has had a problem in other C -models and has extended warranties for 15 additional years for this same problem. This vehicle is a S- 550 model. Dealership has denied any responsibility. I think the vehicle is unsafe at ANY SPEED. Never should fuel enter the passenger compartment of any vehicle. Video on file at dealership.
UPON REFULING MY AUTOMOBILE FULL I COULD SMELL A STRONG ODOR OF GAS FUMES. EARLIER THAT DAY I HAD AN IMPACT OF MY TIRE OVER A CURB. GAS FUMES COULD BE SMELLED NOT SO MUCH ON THE OUTSIDE OF THE AUTO BUT INSIDE WITHOUT ABATEMENT. UPON INSPECTION BY MERCEDES BENZ OF STOCKTON CA IT WAS DETERMINED A FUEL LEAK WAS PRESENT WITH THE CUSHION THAT SITS ON TOP OF THE FUEL SYSTEM WAS SOILED/STURATED UNDER THE REAR PASSENGER SEAT OF THE CAR. PICTURES TAKEN SUGGEST IT HAD BEEN WAS ONGOING POSSIBLELY FOR YEARS. THEY SUGGESTED HEAT CONTRIBUTED TO THE UNIT-SEAL CORROSION AND ITS SURROUNDINGS. IT IS NOT CLEAR WHY MY RIGHT REAR IMPACT WITH A CURB BROUGHT THIS ALL TO MY ATTENTION. HIGHLY COMBUSTIBLE SITUATION THAT WAS CLEARLY NOT DETECTED WITCH IS NOT COMPLETELY UNDERSTOOD THE SAME DAY I HAVE AN IMPACT TO THE RIGHT REAR TIRE JUMPING A CURB THEN GOING BACK OVER IT TO UNLODGE THE TIRE & ROCKER MOLDING FROM THE CURB & REFUEL I SMELL GAS FUMES. HIGHLY DANGEROUS USING PLASTIC SECURE GAS EXCHANGES ON SOMETHING PEOPLE SIT ON? HAS SIMULARITIES IN OTHER DRIVERS. NOT SURE WHY THAT DAY THE SEAL (PLASTIC) RUPTURED (AT PLASTIC LID)
TL* THE CONTACT OWNS A 2010 MERCEDES-BENZ S550. THE CONTACT STATED THAT UPON REFUELING THE VEHICLE, A STRONG FUEL ODOR WAS DETECTED IN THE INTERIOR OF THE VEHICLE. THE VEHICLE WAS TAKEN TO MERCEDES-BENZ OF GEORGETOWN (7401 S IH-35, GEORGETOWN, TX 78626, 512-930-6150) WHERE THE FAILURE WAS DIAGNOSED AS A FUEL LEAK FROM THE FILTER ASSEMBLY UNDER THE REAR SEAT. THE CONTACT ALSO STATED THAT THE DEALER INFORMED HIM THAT THE UNDERCARRIAGE WAS DAMAGED WHICH LEAD TO THE FUEL LEAK. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED AND A CASE WAS OPENED. THE FAILURE MILEAGE WAS APPROXIMATELY 110,000.*DT*JB*DT*JB THE CONSUMER STATED THE REPAIRS WERE MADE AT THE OWNER'S EXPENSE.
STRONG GAS ORDERS FROM INTERIOR AFTER FILL UP. STATIONARY, IN MOTION, STOPPED. TO THE POINT OF NAUSEA AND LIGHT HEADEDNESS. 2011 IS ON RECALL LIST FOR GAS PUMP AND SENDER REPLACEMENT, PLUS WARRANTY EXTENSION TO 15 YEARS FOR THIS PROBLEM. THIS NEEDS TO ALSO INCLUDE THE 2010 S400 HYBRIDS VEHICLE HAS ONLY 87,000 MILES ON IT, AND CANNOT BE DRIVEN DUE TO POSSIBLE FUEL INGITION AND THE POSSIBILITY OF A CATASTROPHIC FIRE. PLEASE RESPOND WITH THE UTMOST OF HASTE, LIVES ARE AT STAKE. DEATH BY FIRE IS HORRIFIC.
TL* THE CONTACT OWNS A 2010 MERCEDES-BENZ S63. WHILE DRIVING, THE CONTACT NOTICED A STRONG ODOR OF FUEL IN AND AROUND THE VEHICLE. THE CONTACT COASTED THE VEHICLE TO THE SIDE OF THE ROAD AND NOTICED THAT FUEL WAS LEAKING FROM UNDERNEATH THE REAR DRIVER'S SIDE. THE VEHICLE WAS TAKEN TO PLAZA MERCEDES-BENZ (LOCATED AT 11910 OLIVE BLVD, CREVE COEUR, MO 63141, (314) 266-5469) WHERE IT WAS DIAGNOSED THAT THERE WAS A CRACK IN THE FUEL TANK ASSEMBLY AND IT NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND DID NOT ASSIST. THE APPROXIMATE FAILURE MILEAGE WAS 100,000.
CAR STALLS CONSTANTLY, LOOSE FUEL CAP WARNING COMES ON, CHECK ENGINE LIGHT COMES ON. I HAVE REPLACED THE FUEL CAP, CHECKED VEHICLE CODES, BUT CANNOT GET THE ISSUE IDENTIFIED. A VEHICLE STALLING LIKE THIS IS A TREMENDOUS SAFETY HAZARD, AND IT MAY BE POSSIBLE THAT THERE IS AN ISSUE WITH THE FUEL DELIVERY SYSTEM IN THIS YEAR MODEL, JUST AS THERE WAS WITH THE 2011-2012 MODELS WHICH RESULTED IN A RECALL. THIS HAPPENS BOTH WHEN THE VEHICLE IS STATIONARY AND IN MOTION.
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