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. ...

Problems with the steering wheel heating
The steering wheel heating has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. - S ...

Tires
Problem Possible causes/consequences and Solutions USA only: The yellow tire pressure monitor warning lamp (pressure loss/ malfunction) is lit. Canada onl ...