See also:

General information
Portable electronic devices in the vehicle may seriously impair radio reception. ...

Using KEYLESS-GO
The KEYLESS-GO key must be outside the vehicle. All the doors must be closed. Touch recessed sensor surface 1 on the door handle until the side windows and the panorama roof with power tilt/s ...

MB Info call button
– Press and hold MB Info call button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in MB Info call button 1 flashes ...