Mercedes-Benz 380 SEL 126 1981 Owner's Manual page 29

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1 Temperature (°C)
The interior temperature can be
adjusted infinitely by turning the
temperature selector wheel
between the two end positions
"MIN" = no heating and "MAX" =
full heat output. If the heat is
required to reach a selected
temperature, this particular
temperature is reached as quick­
ly as possible and then main­
tained constantly. In order to
avoid undesirable temperature
fluctuations, a set temperature
should be readjusted in small
increments only.
2
Defrost
Air heated to maximum tempera­
ture is channeled to the wind­
shield regardless of the position
of the temperature selector
wheel 1.
To direct air to the side windows,
open air outlets 12.
3 Bi-Level
In the heating and cooling
modes, air is channeled to the
windshield and footwells. During
the cooling mode, additional air
is routed to outlets 11.
The vehicle interior is cooled
down with the least possible
draught with the footwells recei­
ving a larger volume of cooled
air.
4 Normal
In the heating mode most of the
heated air is channeled to the
footwell. Only sufficient air is
channeled to the windshield to
keep it free from mist under
normal weather conditions.
In the cooling mode, air is only
channeled to air outlets 11
and 12.
At low ambient temperatures the
fresh air supply and the blower
are switched off until the engine
coolant has warmed up slightly.
5 Economy
EC (ECONOMY) = saving opera­
tion; the refrigerant compressor
is switched off.
Control 5 is the same as control
4, but provides no cooling effect.
We recommend this setting at
ambient temperatures when no
cooling of the fresh air is
required (saves fuel).
Automatic Climate Control
6 Off
If this control has been actuated,
the fresh air supply to the vehicle
is cut off (e.g. in the case of dust
and fumes entering from
outside).
7 Fan
if controls 3, 4 or 5 are actuated,
the air volume can be adjusted
as desired.
Push upper switch = maximum
air volume
Push lower switch = minimum air
volume
Push center switch = air volume
is controlled automatically
Important!
In order to keep the automatic
climate control in good working
order, controls 3 or 4 need to be
actuated briefly at least once a
month. Ambient temperature must
then be above + 2° C/36° F.

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