Mercedes-Benz GLK-Class 2015 Owners Manual - Manual (Page 144)

X Press the à button.
The indicator lamp in the ¬ button goes
out. Airflow and air distribution are set to
automatic mode.
or
X
Turn temperature control : or B to the
left or right (
Y
page 133), (
Y
page 136).
or
X Press the K or I button.
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.
When you activate MAX COOL, climate con-
trol switches to the following functions:
R maximum cooling
R maximum airflow
R air-recirculation mode on
X
To activate: press the Ù button.
The indicator lamp in the button lights up.
X To activate: press the Ù button again.
The indicator lamp goes out. The previously
selected settings are restored.
Defrosting the windows
Windows fogged up on the inside
X
Activate the ¿ cooling with air dehu-
midification function.
X
Activate automatic mode Ã.
X Adjust the side air vents so that the warmed
air is directed to the side windows.
X
If the windows continue to fog up, activate
the ¬ "Windshield defrosting" function.
i You should only select this setting until
the windshield is clear again.
Windows fogged up on the outside
X
Activate the windshield wipers.
X
Press the _ button repeatedly until the
O or P symbol appears in the dis-
play.
X
Adjust the side air vents so that no air is
directed to the side windows.
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
X Turn the SmartKey to position 2 in the igni-
tion lock (
Y
page 149).
X
Press the ¤ button.
The indicator lamp in the ¤ button lights
up or goes out.
142
Operating the climate control systems
Climate
control