2003 Mercedes SL-Class Owner's Manual - Page 76

Safety and Security Anti-theft systems Arming the alarm system The alarm system is armed after locking the vehicle with the remote control. The turn signal lamps blink three times to indicate that the alarm system is activated. The ‹ indicator lamp in the central locking switch ( page 23) will blink after approximately 10 seconds when the alarm system is completely armed. 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. With KEYLESS-GO* Grasp the outside door handle. or Press the KEYLESS-GO start/stop button. The alarm is canceled. i The alarm system will rearm automatically again after aprroximately 40 seconds if no door was opened. Canceling the alarm To cancel the alarm: With the key Insert the key in the starter switch. or Press the Œ or ‹ button. The alarm is canceled. i If the turn signal lamps do not blink three times, a door or the hood may not be closed properly. Close the respective element and lock the vehicle again. 76