See also:

Storing wheels
Store wheels that are not being used in a cool, dry and preferably dark place. Protect the tires from oil, grease, gasoline and diesel. ...

Removing the skibag
WARNING When the skibag has been removed, always drive with the trunk lid closed. Exhaust fumes could otherwise enter the vehicle interior. The skibag can be removed for cleaning or drying ...

Charging the battery
WARNING Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosions tha ...