See also:

Centrally locking and unlocking thevehicle from the inside
You can centrally lock or unlock the vehicle from the inside. The central locking/unlocking button does not lock or unlock the fuel filler flap. The buttons are located on both front doors. ...

Vehicle remote closing
If you forget to lock your vehicle but are no longer in the vicinity of the vehicle, it can be locked for you by the Mercedes-Benz Customer Assistance Center. The vehicle can be locked remotely up ...

Crash-responsive emergency lighting
The interior lighting is activated automatically if the vehicle is involved in an accident. - To switch off the crash-responsive emergency lighting: press the hazard warning lamp button. or - ...