See also:

Ruts and gravel roads
Observe the following rules when driving along ruts in off-road terrain or on roads with loose gravel: Check that the ruts are not too deep and that your vehicle has sufficient clearance. O ...

Call disconnection while the vehicle is in motion
A call may be disconnected if: • there is insufficient network coverage in certain areas. • you move from one transmitter/receiver area (cell) into another and no channels are free. • you u ...

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. ...