See also:

Tires
30 Use of snow chains not permitted. Observe the notes in the "Snow chains" section. 31 MOExtended tires (tires featuring run-flat characteristics) only in combination with an a ...

Snow chains
For safety reasons, Mercedes-Benz recommends that you only use snow chains that have been specially approved for your vehicle by Mercedes-Benz, or are of a corresponding standard of quality. ...

Important safety notes
WARNING In order to avoid possible loss of vehicle control, all seat, head restraint, steering wheel and rear view mirror adjustments, as well as fastening of seat belts, must be done befor ...