See also:

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 ...

On-board computer and COMAND
On-board computer and COMAND ...

Activating/deactivating
WARNING Any accumulation of snow and ice should be removed from the rear window before driving. Visibility could otherwise be impaired, endangering you and others. The rear window defroster h ...