2009 Mercedes E-Class Owner's Manual - Page 78

Safety and security Anti-theft systems Anti-theft systems Immobilizer The immobilizer prevents unauthorized persons from starting your vehicle. When leaving the vehicle, always take the SmartKey with you and lock the vehicle. The engine can be started by anyone with a valid SmartKey that is left inside the vehicle. mobile phone, power supply and GPS coverage are available. Anti-theft alarm system Once the alarm system has been armed, a visual and audible alarm is triggered when someone opens Ra door Rthe Rthe trunk/the tailgate hood Activating X With SmartKey: Remove the SmartKey from the starter switch. X With KEYLESS-GO: Turn off the engine and open the driver's door. 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 Rthe vehicle is opened with the mechanical key Ra 1 Indicator lamp X door is opened from the inside Deactivating X Rthe trunk is opened with the emergency release button (sedan only) Switch on the ignition. i Starting the engine will also deactivate the immobilizer. In the event that 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). To cancel the alarm after it has been triggered, see "Canceling the alarm" (Y page 77). Arming: Lock the vehicle with the SmartKey or with KEYLESS-GO. The turn signal lamps flash three times and an acoustic warning sounds three times to indicate that the vehicle is locked. Indicator lamp 1 flashes to indicate that the alarm system is armed. 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 provided that you have subscribed to the Tele Aid service and that it has been activated properly, and that the necessary i If the turn signal lamps do not flash three times and the acoustic warning does not sound three times, a door or the trunk/ tailgate may not be properly closed. 76