See also:

Activating audio AUX mode
When you connect an external audio source, audio AUX is not selected automatically. Select Audio in the main function bar by sliding and turning the COMAND controller and press to confirm. ...

Calling up contacts/details
You can call up contacts with the list or by using the character bar. Phone book/address book basic display 1 List Entry with navigable data Entry with voice tag; see the separate operat ...

Safety
As it should be, the M-Class is full of standard safety features like an electronic stability system, antilock brakes, traction control, side curtain airbags, and side-impact airbags for the front ...