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.

In the event that the engine cannot be started when the starter battery is fully 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:

    Switching the display design
    Select Settings using the button and confirm with the button. Select Day Mode, Night Mode or Automatic using the buttons and press the button to confirm. The icon indicates the curren ...

    Problems with fuel and the fuel tank
    Problem Possible causes/consequences and - Solutions Fuel is leaking from the vehicle. !!! Risk of explosion or fire !!! The fuel line or the fuel tank is defective.•` ...

    Vehicles with manual transmission
    •► Shift to either first gear or reverse gear R.•► Turn the SmartKey to position 0 in the ignition lock and remove it. The immobilizer is activated.•► Apply the parking brake f ...