See also:

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 ...

Refrigerant of the air-conditioning system
The air-conditioning system is filled with R134a refrigerant and a special PAG lubricant. Never use refrigerant R 12 (CFC) or mineral lubricants. Otherwise, you could damage the air-condition ...

Cleaning the headliner and carpets
► Roof lining: use soft brushes or dry shampoo if it is particularly dirty. ► Carpets: use carpet and textile cleaners that have been approved and recommended by Mercedes-Benz. ...