See also:

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. ...

Tips for driving with DISTRONIC
The following contains descriptions of certain road and traffic conditions in which you must be particularly attentive. In such situations, brake if necessary. DISTRONIC is then deactivated. WARN ...

Switching to navigation mode
Press the function button once or twice. or Select Navi in the main function bar by sliding and turning the COMAND controller and press to confirm. In both cases, you will see ...