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:

    Tread
    The part of the tire that comes into contact with the road. ...

    Active bonnet, seven airbags and PRE-SAFE as standard
    During the course of its development, the new E-Class was subjected to more than 150 high-speed crash tests and a total of more than 17,000 realistic crash simulations. The crumple zone principle in ...

    Locking the vehicle
    If the vehicle can no longer be locked with the SmartKey, you can lock it by taking the following steps. If the central locking in the vehicle is malfunctioning, you cannot lock the trunk. P ...