Unlocking the driver's door(mechanical key)

If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key.

If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be triggered.

Take the mechanical key out of the SmartKey.
Insert the mechanical key into the lock of the driver's door as far as it will go.

Firmly turn the mechanical key counterclockwise as far as it will go to position 1 and hold it in this position.
Pull the door handle quickly.
The locking knob pops up.
The door is unlocked.
Turn the mechanical key back and remove it.
Pull the door handle again.
Insert the mechanical key into the SmartKey.

    See also:

    Displaying a service message
    ► Switch on the ignition. ► Press to select the standard display menu on the steering wheel. ► Select to select the service interval display. The service due date appears ...

    Purity
    Assuring the purity of DEF is particularly important with respect to avoiding malfunctions in the exhaust gas aftertreatment system. If DEF is pumped out of the DEF tank, e.g. during repair wo ...

    Activating the HOLD function
    Make sure that the activation conditions are met. Depress the brake pedal. Quickly depress the brake pedal further until HOLD display 1 appears in the instrument cluster. The HOLD functi ...