Mercedes-Benz 300 TD-TURBO DIESEL 1985 Owner's Manual page 32

Automatic Climate Control
( 0 Multi-Level ventilation — Heating
0 Multi-Level
This setting is necessary fo r clearing a fogged
windshield. 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 occasionally be
em itted periodically from nozzles (1).
or ^