October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Rear Window Defogger Inoperative
WARNING: This page is about a different car, the 1996 Mercedes-Benz E320 and 1996 Mercedes-Benz E300. However, it is still accessible from the selected car via links, so may be relevant.
If rear window defogger is inoperative, check the following and repair as necessary:
- Check rear defogger switch circuits. Perform TEST 22 , TEST and TEST 24 under SYSTEM TESTS.
- Check combination control module.
- Check CAN data lines.
- Check Pneumatic System Equipment (PSE) control module.