Useful Information - Mercedes-Benz SL Roadster 2012 Owner's Manual

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Overview of climate control systems
140

Useful information

i
This Owner's Manual describes all mod-
els, series and optional equipment for your
vehicle that were available at the time of
going to press. National variations are pos-
sible. Note that your vehicle may not be
equipped with all of the functions descri-
bed. This is also the case for systems and
functions relevant to safety.
i
Read the information on qualified special-
ist workshops: (
Overview of climate control systems
Important safety notes
Observe the settings recommended on the
following pages. The windows could other-
wise mist up.
To prevent the windows from misting up:
switch off climate control only briefly
R
switch on air-recirculation mode only
R
briefly
switch on the cooling with air dehumidifi-
R
cation function
switch on the "demist windscreen" function
R
briefly, if required
Climate control regulates the temperature
and the humidity in the vehicle interior and
filters undesirable substances out of the air.
Climate control is only operational when the
engine is running. Optimum operation is only
achieved when the side windows and the roof
are closed.
The residual heat function can only be acti-
vated or deactivated with the ignition
switched off (
Y
i
Ventilate the vehicle for a brief period
during warm weather. This will speed up the
cooling process, and the desired vehicle
interior temperature will be reached more
quickly.
page 34).
Y
page 149).
i
An hour after the key has been removed,
it is possible that the residual heat function
may be activated automatically in order to
dry the air-conditioning system. The vehicle
is then ventilated for 30 minutes to dry the
air-conditioning system.

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