See also:

Hiding/showing the navigation menu
To show: press the or button on the remote control. To hide: press the or button. or Wait for approximately eight seconds. Navigation menu 1 Data medium type 2 Current track 3 ...

Treadwear indicators
Narrow bars (tread wear bars) that are distributed over the tire tread. If the tire tread is level with the bars, the wear limit of 1/16 in (1.6 mm) has been reached. ...

Safety
Mercedes-Benz's Electronic Stability Program, antilock brakes, front and rear side-impact airbags, and side curtain-type airbags are standard. ...