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. ...

Aspect ratio
Relationship between tire height and tire width in percent. ...

Text reader settings
Setting the text reader speed Select Vehicle by turning the COMAND controller and press to confirm. Select System and press to confirm. Select Text Reader and press to confirm. ...