Test 41: Roof Control Panel Control Module

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1999 Mercedes-Benz E430, 1999 Mercedes-Benz E320, 1999 Mercedes-Benz E300, 1999 Mercedes-Benz CLK430, and 1999 Mercedes-Benz CLK320. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: This procedure applies to all vehicles equipped with power sliding sunroof except CLK320 convertible models.

Connect Hand-Held Tester (HHT) to Data Link Connector (DLC) located in engine bay. Monitor overhead control panel control module readings. If a checkmark is displayed, system is okay. If "F" is displayed, check condition of overhead control panel control module. Repair or replace as necessary.