See also:

Cleaning genuine wood and trim elements
Wipe the wooden trim and trim pieces with a damp, lint-free cloth, e.g. a microfiber cloth. Heavy soiling: use car care and cleaning products recommended and approved by Mercedes-Benz. ...

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. ...

Problems with your vehicle
If you should experience a problem with your vehicle, particularly one that you believe may affect its safe operation, we urge you to contact an authorized Mercedes-Benz Center immediately to have ...