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. ...

Important safety notes
WARNING Severe conditions (e.g. strong air pollution) may require replacement of the filter before its scheduled replacement interval. A clogged filter will reduce the air volume to the interi ...

Socket in the rear-compartment center console
– Lift up the cover of socket 1. Vehicles with the Rear Seat Entertainment System have two sockets in the center console in the rear compartment. ...