See also:

Tire ply composition and material used
Describes the number of plies or the number of layers of rubber-coated fabric in the tire tread and sidewall. These are made of steel, nylon, polyester and other materials. ...

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. ...

Resetting to factory settings
For safety reasons, the Daytime Running Lights: function in the Lights submenu is only reset when the vehicle is stationary. – Press the or button on the steering wheel to select the Setting ...