One problem related to other fuel system pump has been reported for the 2006 Mercedes Benz C350. The most recently reported issues are listed below.
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.