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.

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

when you start the engine. 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:

    Crash-responsive EASY-EXIT feature
    If the crash-responsive EASY-EXIT feature is triggered in an accident, the steering column will move upwards when the driver's door is opened. This occurs irrespective of the position of the S ...

    Using KEYLESS-GO to start the engine
    WARNING As long as the SmartKey is in your vehicle, the vehicle can be started. Therefore, never leave children unattended in the vehicle, as they could otherwise accidentally start the eng ...

    Precise wheel location: the front axle with McPherson struts
    At the front axle a three-link construction with McPherson struts is used. The lower link level consists of two separate elements which act as torque and cross struts and which are both forged fro ...