2008 Mercedes R-Class Owner's Manual - Page 108

Safety and Security Anti-theft systems i If the alarm stays on for more than 30 seconds, a call to the Response Center is initiated automatically by the Tele Aid* system ( page 322) provided that the Tele Aid* service was subscribed to and properly activated, and that necessary cellular service and GPS coverage are available. Arming the alarm system The alarm system indicator lamp is located to the lower left of the hazard warning flasher. Lock the vehicle with the SmartKey or with KEYLESS-GO* ( page 67). The turn signal lamps flash three times to indicate that the vehicle is locked. Alarm system indicator lamp 1 starts flashing. i The alarm system will rearm automatically again after approximately 40 seconds if neither a door nor the tailgate is opened. Canceling the alarm With the SmartKey Insert the SmartKey in the starter switch. or Press the Œ or ‹ button on the SmartKey. With KEYLESS-GO* Grasp an outside door handle. The SmartKey with KEYLESS-GO must be within 3 ft (1 m) of the vehicle. or Press the KEYLESS-GO start/stop button ( page 41). The SmartKey with KEYLESS-GO must be inside the vehicle. i If the turn signal lamps do not flash three times, one of the following elements may not be properly closed: a door the tailgate Close the respective element and lock the vehicle again. Disarming the alarm system Unlock the vehicle with the SmartKey or with KEYLESS-GO* ( page 38). The turn signal lamps flash once to indicate that the vehicle is disarmed. 1 Alarm system indicator lamp Alarm system indicator lamp 1 goes out. 107