Immobilizer

The immobilizer prevents your vehicle from being started without the correct SmartKey.

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.

remove the SmartKey from the ignition lock. To activate with the SmartKey: remove the SmartKey from the ignition lock.
the ignition off and open the driver's door. To activate with KEYLESS-GO: switch the ignition off and open the driver's door.
ignition. To deactivate: switch on the ignition.

deactivated The immobilizer is always deactivated when you start the engine.
In the event that the engine cannot be started when the starter battery is fully charged, the immobilizer may be faulty.
Contact an authorized Mercedes-Benz Center or call 1-800-FOR-MERCedes (in USA) or 1-800-387-0100 (in Canada).

    See also:

    Dashboard fuse box
    Do not use a pointed object such as a screwdriver to open the cover in the dashboard. You could damage the dashboard or the cover. ► To open: pull cover 1 outwards in the direction ...

    Vehicle
    Display messages Possible causes/consequences and •► Solutions Shift to 'P' or 'N' to Start Engine You have attempted to start the engine with the transmission in position R ...

    Operation
    1 Left-hand standing lamps 2 Right-hand standing lamps 3 Lights off/daytime running lamps 4 Automatic headlamp mode/daytime running lamps 5 Parking lamps, license plate and instrument cluster ...