One problem related to tank assembly has been reported for the 2003 Mercedes Benz C Class. The most recently reported issues are listed below.
Strong odor of fuel when gas tank is full. . . I am not topping off the tank when I refuel. . . Dealership states I need entire gas tank replaced at a cost of 3000. 00. . I purchased this car used in March 2011 with approx 107,000 miles.