SmartKey functions

See also:

Adaptive Highbeam Assist
You can use this function to set the headlamps to change between low beam and high beam automatically. The system recognizes vehicles with their lights on, either approaching from the opposite ...

Applying automatically
Your vehicle's electric parking brake is automatically applied if DISTRONIC PLUS or the HOLD function bring the vehicle to a standstill, or are engaged to keep the vehicle stationary. In addit ...

Manual interior lighting control
To switch the front interior lighting on/off: press the c button. To switch the rear interior lighting on/off: press the u button. To switch the reading lamps on/off: press the p button. ...