Test Preparation
WARNING: This page is about a different car, the 1996 Mercedes-Benz C280 and 1996 Mercedes-Benz C220. However, it is still accessible from the selected car via links, so may be relevant.
Ensure all fuses are okay. Ensure central locking system is operating properly. Ensure transmitter batteries are okay. Remove key from ignition switch. Open sun roof and lower windows approximately 4 in. (100 mm). Unlock vehicle using interior central locking switch. Closed all doors and trunk lid.