See also:

Defrosting the windshield
You can use this function to defrost the windshield or to defrost the inside of the windshield and the side windows. You should only select the defrosting function until the windshield is clear ...

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. ...

Switching on/off
WARNING Repeatedly setting the seat heating to level 3 may result in excessive seat temperatures. The health of passengers that have limited temperature sensitivity or a limited ability to r ...