Mercedes-Benz 240 D 1980 Owner's Manual page 31

Rapid cooling:
• Turn temperature sw itch
(depressed) and air volume
control knob clockwise to
1
the stop.
• Push lever 5 com pletely to the
left. Open outlets 7.
• Close side w indow s completely.
(Warm air inside the car may
first be evacuated by driving
briefly w ith all the side w indow s
dow n.)
Mist on outside o f windshield:
In relatively damp w eather the o u t­
side o f the windshield may mist
up when the defroster nozzles are
opened. If so, push in tem perature
.
sw itch 8
Mist on inside o f w indow s:
In damp w eather the air co nd itio n ­
8
ing system can be sw itched on in
addition to the heater. M oisture is
then extracted either from the
fresh air or from the recirculation
air, depending upon the setting o f
tem perature sw itch
and dehydrated air can be reheated
to a pleasant tem perature by po­
sitioning heater controls 2 and 3
accordingly. This action quickly
dries up the w indow s.
Im p o rtan t!
In order to keep the air cond itio n ­
ing system in good w orking condi­
tion at all tim es, it is necessary to
operate the system briefly at least
once a m onth even during the
seasons it is norm ally not required.
. This cooled
8
Make sure th a t the am bient tem ­
perature is above 2° C/36° F
since the A /C compressor w ill not
operate below this temperature.
To avoid annoying cold air, sw itch
blow er to the low est speed only
and turn on the heater, if desired.
A ir C o nd itioning System