See also:

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 trigg ...

Vehicle
Activating/deactivating the automatic door locking feature If you select the Auto. Door Locks function, the vehicle is centrally locked above a speed of around 9 mph. For further information o ...

General notes
When you lock the vehicle, you can simultaneously: close the side windows close the panorama roof with power tilt/ sliding panel On vehicles with a panorama roof with power tilt/sliding panel ...