See also:

Servicing the brakes
If the red brake warning lamp lights up in the instrument cluster and you hear a warning tone while the engine is running, the brake fluid level may be too low. Observe additional warning messa ...

BAS PLUS (Brake Assist System Plus)
BAS PLUS is only available in vehicles equipped with DISTRONIC PLUS. Observe the "Important safety notes" section. At speeds above approximately 20 mph (30 km/h), BAS PLUS assists ...

Displays and controls
1 Speedometer with segments 2 Multifunction display 3 Tachometer 4 Coolant temperature 5 Fuel gauge 6 Instrument cluster lighting brightness control: turn clockwise or counterclockwise ...