2014 Mercedes-Benz E-Class FUEL/PROPULSION SYSTEM
Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.
Complaint Timeline
Chronological view of owner reports
Fuel smell in the rear of the car, it was checked by a indepent mechanic and the tank is leaking fuel. They said is the Fuel filter which is usually faulty in this model. It seems the car can catch fire according to the mechanig. No warnings of the leaking in the dashboard, only the strong smell.
I had a sudden smell of fuel when I looked outside the vehicle I noticed a leak under driver side back seat area under vehicle
Fuel Leakage from the top of the Fuel Tank, leaking underneath the back seat. I'm told there was a past campaign to fix these issues in the Sedan Mercedes Benz E350. The problem was found by the fumes in my garage where I park the vehicle. My smoke and carbon monoxide alarm kept going off inside my house, and I had to call the fire department to help me identify where the fumes were coming from. No warning lamps or messages on the vehicle are present. When I called the dealership they told me there hasn't been a recall on the vehicles. I have had a diagnostic with the dealership.
I have a 2014 E350 Coupe. It has a major fuel leak that is immensely dangerous and could cause immediate harm/death if I did not remove the seat and inspect the fuel line. There is a recall on the 4 door model for reference. 15V-792 / 2015110006 Recall Summary A fitting that joins the fuel hose and fuel feed line may develop a leak or completely disconnect. This can cause a fire hazard, fuel odor and potentially stall the engine while operating the vehicle. The fuel line fitting connecting the fuel hose and fuel feed line may be flared improperly, causing a possible leak or disconnection of the fuel line. Dealers will install the correct fuel line free of charge to resolve the concern. Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2014 E350 and E350 4Matic sedans manufactured June 4, 2014, to July 9, 2014. The affected vehicles were built with a fuel feed line that has a single flare fitting instead of a double flare fitting.
Purchased and installed OEM diesel fuel filter made by Mann part WK820/17 or 171103 on [XXX] and drove for 9500 miles. On [XXX] I checked fuel filter as I could smell diesel fuel near the car for the last 2 weeks. Fuel filter heating element/H2O sensor was cracked and seeping fuel once fuel pump was turned on. Unit is available for inspection Safety issue-leaking fuel No inspection by police, manufacturer. I did contact RM EUROPEAN Auto Parts in Colorado who sold the part and am waiting to hear back. No warning lamps or CEL illuminated, only the smell of fuel with top of filter and engine coated in diesel fuel. (Tried to upload photos but "Upload Files" button just goes blank.) INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). The contact stated the fuel appears to be leaking from the electrical heating element. possibly where the rubber has split open.
My Cars Fuel Sender/Pump unit is leaking and it was diagnosed by Mercedes-Benz of chandler. I will attach report for same. they have given estimate for 1800 to repair it. this is common problem across multiple Mercedes vehicles and they have done recall on other models on this but they have excluded my model. since the Problem is generic to many mercedez vehicles they should honor this in safety recall. please see this article about this recall on other models. they have highlighted to me that its a safety issue as there is strong fuel odor from car on this. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
I notice a strong smell of gas inside my vehicle immensing from the back seat area of my car.and it's stronger everytime bi fill up the gas cap is placed back correctly and no top off ever
Very strong gas smell enters the cabin and surrounding exterior of the car after fill up. Seems to be a very common problem with this model and follows the same issues with previous years that were filed with the NHTSA and ultimately needed to be repaired by MB. The problem appears to be with the components of the fuel tank immediately under the rear seat. I am at the point where this has become a very dangerous hazard that consumers should know that the manufacturer should address and that consumers should not have to pay for repairs.
On my way to work lady Tuesday 11/1/22 just a few blocks from my AT&T office I started smelling fuel. I thought it was an lad car next to me. Looking at the rear mirror I noticed a line of fuel following me. By the time I pulled a side and shut down the vehicle I lost the full tank. The vehicle was towed and is still at Mercedes Benz of Plano, Plano, TX. The tech said the orings had gone bad and the hose deteriorated. It seems very similar to this recall https://www.edmunds.com/car-news/2014-mercedes-benz-e350-recalled-for-fuel-line-problem.html I called Mercedes USA and opened CASE [XXX]. No reply yet. Fortunate the car didn’t catch on fire or someone thrower a cigarette while I was driving they downtown. Leaking fuel should not happen INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).
Fuel smell really strong & a huge fuel leak started on 6/20/2022. The fuel smell was so strong inside the the car I couldn't stay in it. It started leaking before I fueled up my vehicle. Wen to the back of the car and notice a huge puddle of gas. I didn't know anything about this recall until today. I've owed the car for three years. I hope that Mercedes will fix this issue. Very dangerous.
Strong gas odor inside cabin,whenever gas tank is full I can smell gas for extended time period. May relate to faulty gas line under the back seat.
Severe gasoline leak smell inside and outside the vehicle. Smell is so bad as to make it impossible to stand next to the vehicle without gasping for air and watering eyes. Due to a fire hazard situation, car can not be parked inside the garage as there is a gas water heater installed in the vicinity. Fuel leak in the feed system has been a known problem in Mercedes vehicles in the past. A recall was even issued on E350, 2014 model (Recall # 15V792000). However, my vehicle was excluded from the recall on account of mfg. date not matching with the recall notice. But here we are same problem showing up in the vehicle even after so called fuel leak probe was closed. Took it to the dealer for diagnosis and repair was quoted to be $2297. That's an outrageous amount of money to repair a problem which should not have happened as part of regular wear and tear and is most certainly a fire-hazard and safety issue. My wife and kids ride in this vehicle several times a day and currently I can't let them in this car due to the fear of fire. I would kindly request you to reopen the fuel leak matter with Mercedes and look into the matter while I seek a reimbursement of the repair cost from Mercedes Corporate.
FUEL SMELLS AND LEAKS SIMILAR TO EARLIER MODELS. MERCEDES CLAIMS THIS TO BE NORMAL IF THE TANK IS OVERFILLED WHEN I CALLED BUT DON'T REMEMBER THE NAME OF THE PERSON.
TL* THE CONTACT OWNS A 2014 MERCEDES BENZ E350. THE CONTACT STATED THAT WHILE DRIVING AT 65 MPH, THE VEHICLE STALLED. IN ADDITION, THE CONTACT NOTICED THE VEHICLE HAD BEEN LEAKING FUEL. THE VEHICLE HAD TO BE TOWED TO THE DEALER WHERE IT WAS INFORMED THAT THE FAILURE WAS RELATED TO NHTSA CAMPAIGN 15V792000 (FUEL SYSTEM, GASOLINE). THE VEHICLE WAS REPAIRED UNDER THE RECALL. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 11,000.
I BOUGHT MY FIRST MERCEDES 20 DAYS AGO, I WAS DRIVING WITH MY KIDS AROUND 6:30PM WHEN SUDDENLY I SMELL FUEL INSIDE THE CAR AND ANOTHER VEHICLE APPROACHES ME TO ADVISED ME THAT MY CAR WAS LEAKING FUEL ALL OVER THE ROAD. I TOOK MY KIDS OUT OF THE CAR IMMEDIATELY AND I CONTACTED THE MERCEDES BENZ SERVICE DEPARTMENT FOR HELP AND I WAS TOLD BY A RECEPTIONIST THAT THE SERVICE DEPARTMENT WAS CLOSED THAT I NEED TO CONTACT A TOW SERVICE THAT WAY THE VEHICLE CAN BE DELIVER TO THE DEALERSHIP FOR SERVICE. YOU CAN'T IMAGINED HOW I FELT ON THE SIDE OF THE ROAD AT THAT TIME ALONE WITH MY 2 KIDS WITH A CAR LEAKING FUEL. I'M VERY DISAPPOINTED!! *TR
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Quick Summary
The 2014 Mercedes-Benz E-Class has 15 FUEL/PROPULSION SYSTEM complaints on file. Review the timeline above for detailed owner experiences.