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. ...

Tire size designation, load-bearing capacity and speed rating
Tire width Nominal aspect ratio in % Tire code im diameter Load bearing index Speed rating Tire data is vehicle-specific and may deviate from the data in the example. General: de ...

Important safety notes
WARNING When expanding the cargo volume, always fold the seat backrests fully forward. Unless you are transporting cargo, the seat backrests must remain properly locked in the upright posi ...