Memory Function Inoperative
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1999 Mercedes-Benz E430, 1999 Mercedes-Benz E320, 1999 Mercedes-Benz E300, 1998 Mercedes-Benz E430, and 1998 Mercedes-Benz E320. However, it is still accessible from the selected car via links, so may be relevant.
If memory function is inoperative, check the following as possible cause and repair as necessary:
- Check wiring. See WIRING DIAGRAMS .
- Perform TEST 2: COMBINATION CONTROL MODULE VOLTAGE SUPPLY under SYSTEM TESTS.
- Perform TEST 9: PASSENGER'S SIDE MEMORY POTENTIOMETER VOLTAGE SUPPLY under SYSTEM TESTS.
- Perform TEST 14: DRIVER'S SIDE MEMORY POTENTIOMETER VOLTAGE SUPPLY under SYSTEM TESTS.
- Perform TEST 18: STEERING COLUMN TELESCOPIC MOTOR VOLTAGE SUPPLY under SYSTEM TESTS.
- Perform TEST 19: STEERING COLUMN TILT MOTOR VOLTAGE SUPPLY under SYSTEM TESTS.
- Check left front seat switch power supply. Perform TEST 2 under SYSTEM TESTS in POWER SEATS article.
- Replace left front seat switch.
- Replace combination control module.