See also:

Important notes
In order to prevent the vehicle's battery from discharging, the interior lighting functions are automatically deactivated after some time except for when the SmartKey is in position 2 in the i ...

Special seat belt retractor
All seat belts except the driver's seat belt are equipped with a special seat belt retractor. When activated, the special seat belt retractor ensures the seat belt will not slacken once the chi ...

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. ...