SmartKey

See also:

Operating the climate control system
Activating/deactivating climate control Important information WARNING When the climate control system is deactivated, the outside air supply and circulation are also deactivated. Only choose t ...

Loading guidelines
WARNING Always fasten items being carried as securely as possible using cargo tie-down rings and fastening materials appropriate for the weight and size of the load. In an accident, during hard ...

4MATIC (permanent four-wheel drive)
Never tow the vehicle with one axle raised. This may damage the transfer case. Damage of this sort is not covered by the Mercedes-Benz Limited Warranty. All wheels must remain either on the grou ...