2003 Mercedes C-Class Owner's Manual - Page 80

Safety and Security Anti-theft systems Disarming the alarm system The alarm system is disarmed when you unlock your vehicle with the remote control. The turn signal lamps blink once to indicate that the alarm system is deactivated. Tow-away alarm Once the tow-away alarm is armed, a visual and audible alarm will be triggered when someone attempts to raise the vehicle. Arming tow-away alarm When you lock your vehicle, the tow-away alarm is automatically armed after about 30 seconds. When you unlock your vehicle, the tow-away protection disarms automatically. Disarming tow-away alarm To prevent triggering the tow-away alarm feature, switch off the tow-away alarm before towing the vehicle, or when parking on a surface subject to movement, such as a ferry or auto train. i The tow-away protection alarm is triggered, for example, if the vehicle is lifted on one side. If the alarm stays on for more than 20 seconds, an emergency call is initiated automatically by the Tele Aid system* ( page 209) provided Tele Aid service was subscribed to and properly activated, and that necessary cellular service and GPS coverage are available. i The alarm system will rearm automatically again after approximately 40 seconds if one of the doors or the trunk lid is not opened. Canceling the alarm Insert the key in the starter switch. or Press the Œ or ‹ button on the key. 80