Ignition Module problems of the 2003 Mercedes Benz C320

Car seat and steering wheel wouldn't adjust with the key put in the ignition. . This went on for three days. . . Then the car died. . Had to get a jump. . The service rep says the model# 320 c has a problem with the seat module failing on the passenger and drivers side. . When the car was jumped all electrical was working properly and find. . . Took to dealer and they informed me that yes the passenger seat module was bad and also needed a new battery. . They also stated that the drivers seat module could go out within the next few months. . . The car only has 13,703 miles on it and this problem is been known to mb USA yet is not addressed.