2006 Mercedes Benz C350 fuel system problems

Filed Mar 7, 2022 · Fuel system · CA

At 9,000 miles my 2006 Mercedes C350 had to have a fuel pump replaced. It was out of warranty (low miles usage for 5 year old car) so I had to pay $900 for the repair. I could smell fuel everytime I filled the tank and the Mercedes dealer said the pump had to be replaced. I read about a recall of E350 models being recalled for the same reason with the same engine. I asked the dealer about this and they said mine was not part of the recall because it is a C class Mercedes. It has the same engine with the same problem and I think this should be looked into.

Filed May 30, 2021 · Fuel system · MD

Fuel flex line from firewall to Fuel rail is leaking at both connections, ie. both ends at the swaged fitting.

Filed Nov 22, 2016 · Fuel system · 38,000 miles · CA · 3 injuries

In july 2009, after filling my vehicle with gasoline (38,000 miles), I drove home, parked my vehicle in my garage and exited the interior. After exiting, I smelled the very strong odor of gasoline emitting from, what appeared the rear of the car. I did not see any leaks or any evidence of fuel, so I went inside my house. Several hours later, I entered my garage and was immediately overwhelmed with the fumes of gasoline. I checked my car again, but was unable to find any leaks. I then open my car door and the fumes were even stronger. After looking around, I noticed the odor was coming from under the rear seat. Fearing an explosion may occur, I opened my garage doors and car door and turned on several fans to "air-out" the area. The next day, I drove to the dealer and explained. The service manager said it was a common problem with my year and model and said the fuel gaskets were bad on top of the gas tank which is right under the back seat. He explained when filling up, the seals leak, become saturated with fuel and even saturate the bottom side of the seat. He said if I wanted it fixed, it would be an estimated $500. He also said if I did not want to pay to fix it, he suggested I only fill my tank to 3/4 so the seals would not become wet. I explained to him that my car was still like new with only 38,000 miles and mbz should fix the manufacturer defect at no charge. He refused. I continue to deal with this dangerous, faulty issue today. My car only has 79,000 miles on it and the problem continues to get worse. I noticed several others have the same problem and lawsuits have been filed, however, I do not know their status. Can you please assist me with this dangerous issue. My family and I suffer from severe headaches each time this problem occurs. Thank you very much.

Filed May 10, 2016 · Fuel system · 195,000 miles · SC

I have a very loud odor of gasoline coming from near my back wheel on the drivers side. The car rides fine and I get good gas mileage but it is not leaking anywhere. I took my backseat out and there was nothing wet. I also replaced the gas cap and it did not help

Filed Apr 22, 2015 · Fuel system · 108,085 miles · FL

When the gas tank is filled past to full, there is an overpowering fuel smell in vehicle cabin. The offending smell also fills the garage and the garage door must be partially left open for safety: fear of explosion.

Filed Jan 14, 2015 · Fuel system · 116,000 miles · AZ

Tl* the contact owns a 2006 mercedes benz c350. The contact stated that a strong odor of fuel emitted inside the vehicle. The vehicle was diagnosed and repaired. The manufacturer was made aware of the failure. The failure mileage was 116,000.

Filed Nov 11, 2014 · Fuel system · 75,000 miles · CA

Every time I fill up the gas tank; there is a strong oder of fuel in the cabin. My wife and I have a newborn and now do not feel safe driving with such a strong odor..this is a safety hazard.

Filed Feb 13, 2014 · Fuel system · 49,539 miles · GA

Both sending units in the fuel tank were leaking and were replaced by rbm mercedes of 7640 roswell road, atlanta, ga 30350 for the amount of $ 828.05. I have original repair bill and it can be submitted at your request.

Filed Sep 9, 2013 · Fuel system · 50,000 miles · AZ

Tl* the contact owns a 2006 mercedes benz c350. The contact stated that while the vehicle parked, there was a strong fuel odor emitted from the vehicle without warning. The vehicle was taken to a private mechanic where it was diagnosed that the fuel pump needed to be replaced. The manufacturer was not made aware of the failure. The vehicle was repaired but the failure was not resolved. The approximate failure and current mileage was 50,000.

Filed May 5, 2013 · Fuel system · 43,000 miles · AZ

Around december 2010 I began noticing there has been a gas smell from rear wheel housing and rear seat whenever I fill up the gas tank. I have experienced with various fuel level and concluded that gas smell starts when gas is more than 3/4 full. I have been trying not to fill gas more than 3/4 and have recently changed a delivery unit and all the seals, which have been problematic areas for many mercedes. The gas smell did not go away and I don't feel safe due to the risk of fire in addition to the unpleasant gas smell in the cabin.