See also:

Displaying the digital speedometer oroutside temperature
If you have selected the digital speedometer for the status bar, the outside temperature is displayed here. ► Press the button on the steering wheel to select the standard display. ...

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. ...

ATTENTION ASSIST Warns Drowsy Drivers
Drowsiness is one of the most common causes of accidents. This is why Mercedes experts have developed the ATTENTION ASSIST system which forms part of the standard equipment of the new Mercedes CL- ...