See also:

Important information
The cooling with air dehumidification function is only available when the engine is running. The air inside the vehicle is cooled and dehumidified according to the temperature selected. WARNI ...

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 ha ...

Frequencies for the garage door opener
The radio type approval number and the frequency range for the garage door opener can be found on the Internet at: http://www.mercedes-benz.de/betriebsanleitung. ...