Off
Light (turn on control panel lighting)
Low beam
High beam (combination switch press forward)
Parking lights on the right (turn left to 1 step)
Parking lights on the left (turn left to 2nd step)
The indicator light in the rotary light switch is on.
Warning! If the ignition key is removed and the front door is open, a signal will sound if the vehicle's exterior lights are not turned off (external parking lights).
Information copied from the website: www.mercedesman.ru