There are 42 owner-reported fuel system complaints for the 2009 Mercedes-Benz E-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
This vehicle has a very profound strong gas smell inside and out of the car. Upon further research, it has been notably stated that this particular vehicle model from years 2003-2009 had the same common issue that when refueling and topping off at full tank capacity, there is a fuel leakage seeping from the top of the gas tank which sits underneath of the back passenger seat. Apparently there is a health hazard recall listed upon this vehicle for this issue but when I called my local mercedes benz dealer they said that there was no recall with this issue and refused to acknowledge the problem. But in fact there are many videos of evidence online illustrating and showing other same vehicle owners addressing the fuel tank leakage from within underneath the back passenger seat, and there is also many written testimonials cases stating the existance of the same issue. I really do hope this issue gets addressed asap for which i do fear for my family's safety and mine. Thank you in advance for your time!
The contact owns a 2009 Mercedes-Benz E-350. The contact stated while driving 30 MPH and coming to a complete stop, the vehicle started sputtering and stalled. The contact pushed the vehicle to the side of the roadway. The contact was unable to restart the vehicle after several attempts. The contact towed the vehicle to her residence five days later. The contact used an OBD reader to determine that the failure was associated with the fuel system. The contact replaced the fuel relay and fuses, fuel pump and fuel filter herself; however, the vehicle failed to start. The vehicle was then towed to the dealer and diagnosed with a fuel leak. The contact was informed that the fuel tank needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and informed the contact that the vehicle could not be repaired under an unknown recall because the VIN was not included. The failure mileage was approximately 147,000.
I’m smelling gas fumes inside and outside of the car. I heard there was a 15 yr warranty on E Class with this issue.
The contact owns a 2009 Mercedes-Benz E350. The contact stated while driving immediately after refueling, there was an abnormally strong fuel odor inside the cabin of the vehicle. The vehicle was taken to the local dealer but was not diagnosed. The manufacturer was informed of the failure and informed the contact that they were unable to assist. The failure mileage was approximately 132,000.
WHEN I WAS FILLING UP THE FUEL COMPLETELY, I HAD A SMELL OF FUEL FROM THE BACK WHEN I PARKED THE CAR, SO I TRACKED THE CAR AND FOUND THE FUEL DROPS COMING DOWN FROM THE LEFT SIDE IN THE BACK, SO I STOPPED THE CAR AND TOOK IT HOME AND I CHECKED THE TRANSMITTER UNIT IN THE BACK SEAT AS A MECHANICAL ENGINEER, AND I FOUND FUEL LEAKING FROM THE TOP OF THE TRANSMITTER UNIT, WHEN I ASKED ABOUT THIS PROBLEM, I FOUND THAT THERE IS A 15-YEAR GUARANTEE ON THIS SUBJECT
SERIOUS SMELL OF GASOLINE DURING AND AFTER REFUELLING. OCCURS WHILE STATIONARY.
WHEN I WAS FILLING UP THE FUEL COMPLETELY, I HAD A SMELL OF FUEL FROM THE BACK WHEN I PARKED THE CAR, SO I TRACKED THE CAR AND FOUND THE FUEL DROPS COMING DOWN FROM THE LEFT SIDE IN THE BACK, SO I STOPPED THE CAR AND TOOK IT HOME AND I CHECKED THE TRANSMITTER UNIT IN THE BACK SEAT AS A MECHANICAL ENGINEER, AND I FOUND FUEL LEAKING FROM THE TOP OF THE TRANSMITTER UNIT, WHEN I ASKED ABOUT THIS PROBLEM, I FOUND THAT THERE IS A 15-YEAR GUARANTEE ON THIS SUBJECT AND I ADDED SOME EVIDENCE THAT SUPPORTS THE PROBLEM, INCLUDING SOME CUSTOMER COMPLAINTS, AND A RESPONSE TO THEM BY THE MAINTENANCE DEPARTMENT IM LIVING IN SAUDI ARABIA AND FOR CONTACT ME +[XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
GASOLINE ODOR IS NOTICED WHEN FUEL IS ADDED TO THE FUEL TANK. IT IS VERY NOTICEABLE WHEN CAR IS PARKED IN THE GARAGE FOR OVER 5 MINUTES AFTER A RECENT FUEL FILL. THE ODOR IS VERY STRONG AND HAS CAUSED HOUSEHOLD MEMBERS TO HAVE HEADACHES. I AM FORCED TO PARK THE CAR OUTSIDE DUE TO THIS ODOR. I ALSO NOTICED GASOLINE SPILLING ON THE FLOOR NEAR THE FUEL TANK AREA.
I AM HAVING AN ISSUE WITH MY E350 (09), EVERY TIME I FILL UP MY TANK I CAN SMELL THE GAS. I DON'T SMELL IT INSIDE THE CAR BUT OUTSIDE THE CAR AND IT IS STRONG. IT IS REALLY STRONG THAT YOU THOUGHT THE GAS SPILLED. ONCE THE GAS GOES DOWN TO LIKE 3/4 OF A TANK THE ODOR WILL BE GONE. I TRIED TRACING WHERE THE GAS ODOR IS COMING FROM AND I THINK IT IS UNDER THE FENDER ON THE REAR DRIVER SIDE.
WHEN FILLING UP GAS TANK TO FULL, STRONG GAS ODOR IS SMELLED AROUND THE CAR. NOT SURE IF IT IS LEAKING FROM WITHIN THE CAR OR OUTSIDE. ODOR WAS SMELLED WHEN STATIONARY, I DO NOT LEAVE WINDOWS DOWN WHILE DRIVING.
THE INSIDE CABIN OF MY 2009 MERCEDES BENZ E-350 CONSISTENTLY SMELLS LIKE GASOLINE. MY GARAGE ALWAYS SMELLS LIKE GASOLINE IS EMITTING FROM THE VEHICLE.
GASOLINE ODOR WHEN FILL UP GAS TANK, AND IT STAY SMELL GAS ODOR BADLY UNTIL GAS TANK DROP TO 3/4. THIS IS COMMON ISSUE AS STATED IN REFERENCE TSB NO. P-47-10-63. I CALLED MB AT AT 800-367-6372 BUT THEY REFUSE TO FIX MY CAR UNDER EXTENDED WARRANTY
VEHICLE HAS STRONG EXTERNAL GAS ODER EMANATING FROM THE DRIVER'S REAR PASSENGER SIDE AND IS MORE PREVELANT AFTER FILL UP AND PARKING IT. IT IS A CONCERN TO MY SAFETY THAT GASOLINE MAY BE LEAKING AND A ELECTRICAL SPARK OR IMPACT CAN RESULT IN A FIRE/EXPLOSION.
VERY STRONG ODOR OF FUEL WHILE CAR IS PARKED IN GARAGE. DEALER SAYS RECALL DOES NOT COVER MY PARTICULAR MODEL.
TL* THE CONTACT OWNS A 2009 MERCEDES BENZ E350. THE CONTACT STATED THAT AFTER REFUELING THE FUEL TANK, THE ODOR OF STRONG FUEL WOULD EMIT IN AND AROUND THE VEHICLE. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE FUEL FILTER SEAL NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 65,000.
I CONTACTEDTHE DEALERSHIP REGARDING MY FUEL PUMP ISSUE. THE DEALERSHIP INFORMED ME THAT IT WAS NOT ONE OF THE COVERED VIN'S WITH THE FUEL PUMP ISSUES. IT HAS STRONG SMELL OF GAS WHEN FILLING UP AND DOES NOT RUN SMOOTH . IT HAS NOT STARTED ONCE WHEN TURNED ON. I WAS INFORMED BY MY MECHANIC OF THE WARRANTY ON THE DEFECTIVE FUEL PUMP/FILTER. WHY WASN'T MY VIN INCLUDED IN THE EXTENDED WARRANTY? WERE THEIR CHANGES MADE TO THE PARTS? HOW WAS MY CAR EXCLUDED FROM THE WARRANTY PROCESS?
STRONG ODOR OF GAS AT REAR AND AROUND CAR AFTER FILLING UP GAS TANK WHILE IN MOTION AND WHEN PARKED
GAS LEAKS FROM GAS TANK WHEN I FILL IT UP. I CAN ONLY FILL 2/3 OF TANK TO AVOID ODOR. I HEARD ABOUT EXTENDED WARRANTY FOR THIS PROBLEM BUT BENZ DEALER SAID MY CAR IS NOT COVERED BECAUSE IT IS MADE OF DIFFERENT MATERIAL THAN ONE THAT IS COVERED.
GAS IS LEAKING FROM GAS TANK AFTER RUNNING OVER A POT ON HIGHWAY. STATE FARM INSURANCE COMPANY SAID IT IS ON INVESTIGATION FOR LEAKING GAS FOR MY CAR MODEL AND SO, THEY WON'T COVER IT. ALTHOUGH PLASTIC GAS TANK IS ALREADY ON RECALL, METAL TANK FOR MY CAR IS NOT. A DEALER REFUSED TO FIX UNDER RECALL. NOW I AM DRIVING WITH LEAKING GAS.
THERE IS A VERY STRONG GAS SMELL WHEN THE CAR IS PARKED, ESPECIALLY IN A GARAGE. THERE IS AN EXISTING NHTSA CAMPAIGN (EA13003) THAT DISCUSSES THIS ISSUE WITH THE 2009 MERCEDES E350 BUT I NEVER RECEIVED ANY NOTICES FROM MERCEDES.
Showing 1–20 of 42 complaints
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