Other Fuel System Hoses Lines/piping, And Fittings Problems of Mercedes Benz C350

My engine light Jeep coming on with a p0456 code. Replace gas cap and purge valve control less then year ago. However I still smell gas when I fill up tank. After it goes down to 3/4 tank I don't smell gas. When it drop below half tank the engine light comes on. Same thing as last year now it starting again in June 2020. Only have 76000 miles. Dont drive thank much. Get service every year. They had recall for e350 back in 2013 however mb keep tell me its not my VIN. I think there is program with the C350 for 2011 model too. The light always come in when im driving does matter if city street or freeway. First time 2019. Repairs in July. Happen on 6/3/2020. Was clear then when gass went to half tank on 6/28/2020 it happen again.

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I had a fuel pump flange crack and leak fuel when tank was filled. Also, the check engine light threw codes relating to small leaks in the system and as such wouldn't pass state inspection. I had to get these fixed -- basically both sides (fuel pump/filter/sending unit) at the cost of almost $1,000 at a local shop. All VIN searches didn't show that my car was under recall for the fuel system, however I noticed that many other models in year 2011-2012 were under recall: see NHTSA campaign id #12v557000. I believe this model should be included in this recall.

When fuel tank is about 75%-100% full, the car will smell heavily of gasoline inside and around the rear of the vehicle. Upon inspection, fuel pump cover/cap seems to be cracked and leaking fuel. Engine code p0456.

Tl- the contact owns 2008 Mercedes Benz C350. The contact stated that the vehicle emitted an abnormal fuel odor. The contact also stated months after the failure the vehicle was no longer operable. The failure occurred without warning. The vehicle towed to an independent mechanic where it was diagnosed that the fuel had entered into the carbon filter and the entire fuel tank would have to be replaced. The vehicle was not repaired. The dealer was not contacted. The manufacturer was not notified of the failure. The failure mileage was approximately 130,000. The VIN was not provided. Kh.

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