2004 Mercedes SLK-Class Owner's Manual - Page 86

Safety and Security Anti-theft systems Anti-theft alarm system Once the alarm system has been armed, a visual and audible alarm is triggered when someone opens a door the trunk lid the hood a storage compartment in the rear the glove box the storage compartment under the armrest The alarm will stay on, even if the activating element (a door, for example) is immediately closed. The alarm system will also be triggered when someone attempts to raise the vehicle unlocking and opening the driver's door with the mechanical key someone opens a door from the inside if the vehicle was locked from the outside with the SmartKey someone opens the trunk lid with the emergency release button Arming the alarm system The alarm system is armed after locking the vehicle with the SmartKey or KEYLESS-GO*. The turn signal lamps flash three times to indicate that the alarm system is activated. The ‹ indicator lamp in the central locking switch ( page 25) begins to flash after arming the alarm system. i If the turn signal lamps do not flash three times, a door or the trunk lid may not be properly closed. Close the respective element and lock the vehicle again. i If the alarm stays on for more than 20 seconds, an emergency call is initiated automatically by the Tele Aid system ( page 225) provided Tele Aid service was subscribed to and properly activated, and that necessary cellular service and GPS coverage are available. 85