One problem related to other fuel system pump has been reported for the 2011 Mercedes Benz E350. The most recently reported issues are listed below.
We recently filled the gas tank with fuel and noticed a strong fuel odor as if someone spilled gas on the floor in the garage. I proceeded to investigate where the smell was coming from around the car and noticed that it was strongest on the passenger rear of the vehicle. I checked on line and noticed similar issues with the fuel tank on other mercedes models. I proceeded to remove the rear seat and access cover to the fuel tank "sending unit or fuel pump" I'm not sure of the correct terminology, and sure enough there was a puddle of gas on top of the fuel tank apparatus. I proceeded to carefully soak up the gas with a rag and when I did I could see gas slowly seeping out of the cracks on the unit. I will be taking the vehicle to the mercedes dealer tomorrow. I noticed the recall did not cover my vehicle as it was built in July of 2010 which is a few months before the 2011 e -class extended recall. I hope the dealer will work with me as I consider this a serious issue that should be resolved professionally and promptly.