Front Heated Seat System Inoperative
WARNING: This page is about a different car, the 1999 Mercedes-Benz E55, 1998 Mercedes-Benz E430, 1998 Mercedes-Benz E320, and 1998 Mercedes-Benz E300. However, it is still accessible from the selected car via links, so may be relevant.
If entire front heated seat system is inoperative, perform TEST 1: FRONT HEATED SEAT CONTROL MODULE VOLTAGE SUPPLY under SYSTEM TESTS (FRONT HEATED SEATS).