Page 27 of 406
24 Instruments and controls
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
Center console1Left front seat heater switch, see page 58
2Rear window sunshade switch (optional), see
page 205
3ESP (electronic stability program) control switch,
see page 278
4Hazard warning flasher switch, see page 151
5Central locking switch, see page 39
6Rear seat head restraints switch, see page 60
7Antitheft alarm system, see page 46
Switch for tow-away protection, see page 47
8Right front seat heater switch, see page 58
9AIRBAG OFF indicator lamp, see page 292
10COMAND system (optional), see separate
operating instructions, or
audio system, see page 173
11Climate control (C 240), see page 152
Automatic climate control (C 320) see page 160
Rear window defroster, see page 170
P 68.10-2501-27
OM_203.book Seite 24 Donnerstag, 31. Mai 2001 11:57 11
Page 159 of 406

156 Climate control
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Basic setting – automatic mode
In the automatic mode the climate control cools or heats
the interior depending on outside temperature and the
selected interior temperature. With the automatic mode
switched off, the air volume and distribution can still be
set manually.
Press U button. Air volume and distribution are
controlled automatically.
We recommend to set the left and right temperature
to 72
°F (22
°C). Please make changes from this setting to
suit your personal requirements.
Heating mode:
To lower headroom temperature, use thumbwheel
(4, page 152).
Air conditioning mode:
Open air outlets at dashboard top center (7, page 152)
for an even air distribution.Special settings (use only for short duration)
Air distribution and air volume, manual
Press U button. The indicator lamp in the button will
go out.
Select any of the six air volume speeds and the air
distribution.
Air distribution, manual:
The air distribution for the right and left side operate
together.
hAir from the center, side, dashboard top center
and rear passenger compartment air outlets.
jAir from the windshield, side defroster and rear
passenger compartment air outlets.
kAir from the center, side, footwell, rear footwell
and rear passenger compartment air outlets.
To return to automatic mode:
Press the U button. The indicator lamp in the button
illuminates.
OM_203.book Seite 156 Donnerstag, 31. Mai 2001 11:57 11
Page 160 of 406

157 Climate control
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Defrosting
Press the P button. The indicator lamp in the button
illuminates.
Switch off air recirculation, if selected. Press
buttonO, the indicator lamp in the button will go
out.
Close center air outlets.
Turn wheels (8, page 152) up to open left and right side
air outlets (9, page 152). Adjust side air outlets upward.
Pressing the switch again returns the system to the
previous setting.Windows fogged up on the inside
Switch off the economy mode, if selected. Press
buttonS. The indicator lamp in the button will go
out.
Switch off air recirculation, if selected. Press
buttonO. The indicator lamp in the button will go
out.
Set blower to the maximum blower speed.
Press the P button. The indicator lamp in the button
illuminates.
Increase temperature setting.
Open the side air outlets (9, page 152) and direct them
onto the side windows.
Windshield fogged up on the outside
Switch on the windshield wiper.
Close air outlet at dashboard top center (7, page 152).
Switch to manual mode.
Turn air distribution control switch to positionh
ork.
OM_203.book Seite 157 Donnerstag, 31. Mai 2001 11:57 11