Mercedes-Benz 300 D 1984 Owner's Manual page 29

^ Multi-Level ventilation — Heating
@1 Multi-Level
This setting is necessary fo r clearing a fogged
w indshield. As soon as possible, reset to ^
In the heating mode, air is supplied to the windshield,
fo o t area and to nozzles (2); in the cooling mode,
additionally to nozzles (1).
In the heating mode, warm air will be em itted periodically
from nozzles (1).
A u to m atic C lim ate Control
or ^ .