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.

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

when you start the engine. The immobilizer is always deactivated when you start the engine.

    See also:

    The mbrace system
    The mbrace system provides different services, e.g.: • automatic and manual emergency call • Roadside Assistance call • MB Info call To adjust the volume during an mbrace call, proceed as foll ...

    Overview
    The on-board computer is activated as soon as you turn the SmartKey to position 1 in the ignition lock. You can control the multifunction display and the settings in the on-board computer using ...

    ATA (Anti-Theft Alarm system)
    A visual and audible alarm is triggered if the alarm system is armed and you open: - a door - the vehicle with the mechanical key - the trunk lid/tailgate - the hood The alarm is not s ...