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:

    Transmission positions
    Park position Do not shift the transmission into position P(Y page 155) unless the vehicle is stationary. The parking lock should not be used as a brake when parking. In addition to engagi ...

    Roadside Assistance button
    •► Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in Roadside Assistanc ...

    Canceling Parking Guidance
    Press the PARKTRONIC button on the center console. Parking Guidance is canceled immediately and PARKTRONIC is deactivated. Parking Guidance is canceled automatically if it is no longer poss ...