Mercedes-Benz SL-Class 2014 Owners Manual - Manual (Page 150)

X Turn the temperature controls to the left or
to the right on the control panel for the
climate control or clockwise or counter-
clockwise.
Turn temperature controls : or D
clockwise or counter-clockwise
(
Y
page 141).
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.
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
control 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 ¿ cooling with air
dehumidification function.
X
Activate automatic mode Ã.
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
P or O symbol appears in the
display.
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
automatically after several minutes.
If the battery voltage is too low, the rear
window defroster may switch off.
148
Operating the climate control systems
Climate
control