Defrosting The Windows - Mercedes-Benz CLS 2015 Operator's Manual

MAX COOL maximum cooling
The MAX COOL function is only available in
vehicles for the USA.
MAX COOL is only operational when the
engine is running.
To activate: press the Ù button.
X
The indicator lamp in the Ù button lights
up.
To deactivate: press the Ù button.
X
The indicator lamp in the Ù button goes
out. The previously selected settings are
restored.
When you activate MAX COOL, climate con-
trol switches to the following functions:
maximum cooling
R
maximum airflow
R
air-recirculation mode on
R

Defrosting the windows

Windows fogged up on the inside
Activate the ¿ cooling with air dehu-
X
midification function.
Activate automatic mode Ã.
X
Adjust the side air vents so that the warmed
X
air is directed to the side windows.
If the windows continue to fog up, activate
X
the "windshield defrosting" function ¬.
i
You should only select this setting until
the windshield is clear again.
Windows fogged up on the outside
Press the _ button repeatedly until the
X
P or O symbol appears in the dis-
play.
Adjust the side air vents so that no air is
X
directed to the side windows.
Operating the climate control systems
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.
Activating/deactivating
Turn the SmartKey to position 2 in the igni-
X
tion lock (
Press the ¤ button.
X
The indicator lamp in the ¤ button lights
up or goes out.
page 149).
Y
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