Mercedes-Benz 2009 S550 4MATIC Automobile User Manual


 
Climate control system
399
Air conditioning
The air conditioning is operational while the
engine is running and cools the interior air to
the temperature set by the operator. In
addition, the air conditioning dehumidifies
the interior air and helps prevent window
fogging.
G
Warning!
If you switch off the cooling function, the
vehicle will not be cooled when weather
conditions are warm. The windows can fog
up more quickly. Window fogging may
impair visibility and endanger you and
others.
i
Condensation may drip out from
underneath the vehicle. This is normal and
not an indication of a malfunction.
The cooling function can be activated or
deactivated via COMAND (Y page 229).
Automatic mode
Air distribution and air volume can be
adjusted automatically by the climate control
system. You can also adjust the settings for
air distribution and air volume manually.
When operating the climate control system in
automatic mode, the interior air temperature,
air volume and air distribution are adjusted
automatically.
In automatic mode, cooling with
dehumidification is switched on. This function
can be switched off if necessary.
G
Warning!
If you switch off the cooling function, the
vehicle will not be cooled when weather
conditions are warm. The windows can fog
up more quickly. Window fogging may
impair visibility and endanger you and
others.
Automatic mode with the front climate
control
X
Set the desired temperature
(Y page 400).
X
Activating: Press rocker switch U up or
down.
The indicator lamp in the rocker switch
comes on.
X
Deactivating: Press rocker switch U up
or down.
or
X
Press rocker switch Q up or down.
or
X
Adjust air volume via COMAND
(Y page 228).
The indicator lamp in rocker switch U
goes out.
Automatic mode with the rear climate
control
Operating on the front climate control
panel
X
Set the desired temperature
(Y page 400).
X
Activate the Rear) function via
COMAND (Y page 231). This function is
used to operate the rear climate control via
COMAND and the rocker switches on the
control panel from the front.
X
Activating: Press rocker switch U up or
down.
The indicator lamp in the rocker switch
comes on.
X
Deactivating: Press rocker switch U up
or down.
Controls in detail
Z