See also:

Preparing the vehicle
Your vehicle may be equipped with:  - TIREFIT kit  - a "Minispare" emergency spare wheel  - a collapsible spare wheel  - MOExtended tires (tires with run-fla ...

Snow chains
For safety reasons, Mercedes-Benz recommends that you only use snow chains that have been specially approved for your vehicle by Mercedes-Benz, or are of a corresponding standard of quality. ...

Restoring the factory settings
•► Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...