Mercedes-Benz 2001 M-Class, Operator'S Manual

Page: 152 / 466

MAX COOL is only operational when the
engine is running.
X
To activate: press the Ù button.
The indicator lamp in the button lights up.
X
To activate: press off-road button Ù
again.
The indicator lamp goes out. The previously
selected settings are restored.
When you activate MAX COOL, climate con-
trol switches to the following functions:
R
maximum cooling
R
maximum airflow
R
air-recirculation mode on
Defrosting the windows
Windows fogged up on the inside
X
Activate the ¿ / Á cooling with air
dehumidification function.
X
Activate automatic mode à .
X
If the windows continue to fog up, activate
the "windshield defrosting" function
(
Y
page 149).
i
You should only select this setting until
the windshield is clear again.
Windows fogged up on the outside
X
Press the _ button repeatedly until the
P or O symbol appears in the dis-
play.
i
You should only select this setting until
the windshield is clear again.
Rear window defroster
General notes
The rear window defroster has a high current
draw. You should therefore switch it off as
soon as the rear window is clear. Otherwise,
the rear window defroster switches off auto-
matically after several minutes.
If the battery voltage is too low, the rear win-
dow defroster may switch off.
Switching on/off
X
Turn the SmartKey to position 2 in the igni-
tion lock (
Y
page 157).
X
Press the ¤ button.
The indicator lamp in the ¤ button lights
up or goes out.
150
Operating the climate control systems
Climate
control