See also:

Installing the towing eye
  Remove the towing eye from the vehicle tool kit. WARNING The exhaust tail pipe may be hot. You could burn yourself if you touch the tail pipe. Be particularly careful when removing th ...

Snow chains
For safety reasons, Mercedes-Benz recommends that you only use snow chains which 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. ...