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. ...

Towing a vehicle with both axles on the ground
When having your vehicle towed, observe the important safety notes WARNING The power assistance for the steering and the brake force booster do not work when the engine is not running. You ...

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. ...