2005 Mercedes E-Class Owner's Manual - Page 96

Safety and Security Anti-theft systems Immobilizer The immobilizer prevents unauthorized persons from starting your vehicle. Activating With the SmartKey: Removing the SmartKey from the starter switch activates the immobilizer. With KEYLESS-GO*: Turning off the engine by means of the KEYLESS-GO start/stop button on the gear selector lever activates the immobilizer. Deactivating With the SmartKey: Inserting the SmartKey in the starter switch deactivates the immobilizer. With KEYLESS-GO*: Starting the engine by means of the start/stop button on the gear selector lever deactivates the immobilizer. i In case the engine cannot be started (yet the vehicle's battery is charged), the system is not operational. Contact an authorized Mercedes-Benz Center or call 1-800-FOR-MERCedes (in the USA), or 1-800-387-0100 (in Canada). 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 the hood. 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. 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 271) provided 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 is armed within approximately ten seconds 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 27) begins to flash after arming the alarm system. 94