SmartKey functions

See also:

Belt height adjustment
You can adjust the seat belt height on the driver's seat and the front-passenger seat. Adjust the height so that the upper part of the seat belt is routed across the center of your shoulder. ...

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. ...

115 V power socket
WARNING The 115V AC socket operates at high voltage. Use the 115V AC socket in the vehicle with the same caution and prudence that you exercise when using power outlets at home. Keep any fl ...