See also:

Locking the trunk separately
You can lock the trunk separately. If you then unlock the vehicle centrally, the trunk remains locked and cannot be opened. Close the trunk lid. Take the mechanical key out of the SmartKey. ...

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 ...

Notes on technical data
The data stated here specifically refers to a vehicle with standard equipment. Consult an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels. ...