Rejects or ends a call
Press the 
button on the
steering
wheel.
If you are not in the Telephone menu, you can still reject or end a call.
See also:
Ashtray in the front-compartment
center console
The holder under the ashtray is not heat
resistant. Before placing lit cigarettes in the
ashtray, make sure that the ashtray is
properly engaged. Otherwise, the holder
could be damaged.
...
Pelvis air bags
WARNING
Only use seat covers which have been tested and approved by Mercedes-Benz for
your vehicle model. Using seat covers or other seat coverings can cause a malfunction
of the side impact ...
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.
...