Mercedes-Benz 190E 2.3 1993 Owner's Manual page 25

Press for heating.
In this type of operation, air is directed to the wind-
shield and the foot area. The air outlets (7) may be
opened or closed with levers (8) as desired.
If the ambient temperature is above 32° F (0° C) the
air conditioning compressor may switch on automa-
tically to dry the heated air.
26
Press for normal heater operation.
Most of the air is directed to the foot area during
heater operation. A small amount of air is directed
to the windshield, just enough to keep it from fog-
ging up during normal weather conditions. The air
outlets (5) and (7) may be opened or closed with
levers (6) and (8) respectively as desired. Only non-
heated air is directed through outlets (5).
EXIT