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:

    Notes on selecting, mounting and replacing tires
    Only mount tires and wheels of the same type and make. Only mount tires of the correct size onto the wheels. After mounting new tires, run them in at moderate speeds for the first 60 miles ( ...

    New for 2011
    There are no major changes, but "mbrace," a new telematics system, replaces Tele Aid and has features such as locating a vehicle in a parking lot and remotely locking and unlocking doors ...

    Off-road menu
    Depending on your vehicle's optional equipment, you can set the following current settings to be shown in the Off-road menu: • Level control • compass • differential locks Large buildings, powe ...