Climate control system
216
Deactivating the climate control
system
G
Warning!
When the climate control system is
switched off, the outside air supply and
circulation are also switched off. Only
choose this setting for a short time.
Otherwise the windows could fog up,
impairing visibility and endangering you
and others.
X
Deactivating: Press button
´
.
The indicator lamp in the button comes on.
X
Reactivating: Press button
´
.
The indicator lamp in the button goes out.
The previous settings are once again in
effect.
or
X
Press button
U
.
The indicator lamp in the button comes on.
Air volume and air distribution are adjusted
automatically.
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.
Deactivating
It is possible to deactivate the air
conditioning. The interior air will then no
longer be cooled or dehumidified.
X
Press button
2
.
The indicator lamp in the button goes out.
The cooling function switches off after a
short delay.
Activating
Moist air can fog up the windows. You can
dehumidify the interior air with the air
conditioning.
X
Press button
2
.
The indicator lamp in the button comes on.
The air conditioning uses the refrigerant
R134a. This refrigerant is free of CFCs which
are harmful to the ozone layer.
Automatic mode
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
Controls in detail
Summary of Contents for 2009 C 230
Page 1: ...C Class Operator s Manual...
Page 26: ...24...
Page 28: ...Exterior view 26 Exterior view At a glance...
Page 30: ...Cockpit 28 Cockpit At a glance...
Page 32: ...Instrument cluster 30 Instrument cluster At a glance...
Page 34: ...Storage compartments 32 Storage compartments At a glance...
Page 42: ...40...
Page 136: ...Control system 134 Menus and submenus Controls in detail...
Page 156: ...Audio system 154 Audio control unit overview Controls in detail...
Page 302: ...300...
Page 376: ...374...
Page 404: ...Order no 6515 0642 13 Part no 204 584 45 81 Edition 2009 A 2045844581 2045844581...