Driver's Heated Seat 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 only driver's heated seat is inoperative, check the following as possible cause and repair as necessary:

Perform TEST 1: FRONT HEATED SEAT CONTROL MODULE VOLTAGE SUPPLY under SYSTEM TESTS (FRONT HEATED SEATS).
Perform TEST 5: DRIVER'S HEATED SEAT ELEMENTS VOLTAGE SUPPLY under SYSTEM TESTS (FRONT HEATED SEATS).
Perform TEST 6: DRIVER'S HEATED SEAT ELEMENTS RESISTANCE under SYSTEM TESTS (FRONT HEATED SEATS).