See also:

Trailer towing
PARKTRONIC is deactivated for the rear area when you establish an electrical connection between your vehicle and a trailer. Fold in the ball coupling if the trailer tow hitch is not required. ...

Increasing the volume
In some cases, the volume of the AUX device may be quieter or louder, or the usual maximum possible volume cannot be reached. On some devices, it is possible to adjust the volume separately. I ...

2011 Mercedes-Benz S-Class Review by Scott Burgess
Luxury comes with nuances. Little things denote one fine ride: The look of the thread on the dashboard stitching, the smell of the leather, the crystal-like headlamps. Even the sound of the trun ...