MERCEDES-BENZ S550 4MATIC 2008 W221 Owner's Manual

250 Control systems
COMAND vehicle menu
or
Select “Vehicle”
“Vehicle”
“Trunk
Opening-height Restriction”.
A checkmark appears when the trunk
opening-height restriction is switched
on.
Confirming selection: Press n.


251 Control systems
COMAND automatic climate control
COMAND automatic climate control
You can operate the automatic climate
control via COMAND or via the buttons on
the front and rear* automatic climate con-
trol panel (
page 469).
Some of the special climate control func-
tions can only be set via COMAND.The following automatic climate control
functions can be operated via COMAND:
iThe components and operating principles of
COMAND can be found on (
page 85).
Warning!G
When operating the automatic climate con-
trol, the air that enters the passenger com-
partment through the air vents can be very
hot or very cold (depending on the set tem-
perature). This may cause burns or frostbite
to unprotected skin in the immediate area of
the air vents.
Always keep sufficient distance between un-
protected parts of the body and the air
vents. If necessary, use the air distribution
adjustment (
page 253) to direct the air to
air vents in the vehicle interior that are not
in the immediate area of unprotected skin.
Warning!G
Follow the recommended settings for heat-
ing and cooling given on the following pages
and pages in the “Controls in detail” part
(
page 469) Otherwise the windows could
fog up, impairing visibility and endangering
you and others.
FunctionPage
Temperature252
Air distribution253
Air volume253
Switching off cooling (“ACOFF”)254
Central climate control (“Mono”)255
Footwell temperature255
Air flow from air vents256
Rear climate control*257

252 Control systems
COMAND automatic climate control
The automatic climate control menu is
called up via the climate control settings.
Climate control settings with functions
(submenus)
1Temperature, left
2Air distribution, left
3Air volume, left
4Central menu, climate control
5Air volume, right
6Air distribution, right
7Temperature, right
Setting temperature
Use the temperature controls %$
(
page 469) in the center console or
COMAND climate control settings to sepa-
rately adjust the air temperature on each
side of the passenger compartment.
Select climate control settings
Tem-
perature, left or right and then
pressn.
Changing temperature: Slide qmr or
rotate ymz.
Exiting menu: Press n, back
buttonL in the center console
(
page 86) or slideomp.
The setting is saved.

253 Control systems
COMAND automatic climate control
Adjusting air distribution
You can adjust the air distribution sepa-
rately for the driver’s and front passenger’s
side.
Select climate control settings
Air
distribution, left or right.
Changing air distribution:
Rotateymz.
The symbol for air distribution changes.
The direction and size of the arrows
represent the air distribution.
Exiting menu: Press n, back
buttonL in the center console
(
page 86) or slideomp.
The setting is saved.
Adjusting air volume
Use buttonsQ (
page 469) in the cen-
ter console or COMAND climate control
settings to separately adjust the air vol-
ume on each side of the passenger com-
partment.
Select climate control settings
Air
volume, left or right.
Changing air volume: Slide qmr or
rotate ymz.
Exiting menu: Press n, back
buttonL in the center console
(
page 86) or slideomp.
The setting is saved.
iWhen you change the air distribution, the au-
tomatic function of the climate control system is
switched off.
iWhen you change the air volume, the auto-
matic function of the climate control system is
switched off.

254 Control systems
COMAND automatic climate control
Central climate control menu via
COMAND
The central climate control menu is in the
center of the climate control settings.
When the automatic climate control is
switched on, you will see “on” in the cen-
tral menu. The following functions can only
be operated in the central climate control
menu via COMAND:
Select climate control settings
Cen-
tral menu.Switching cooling on or off
The cooling function, only operational
when the engine is running, cools the vehi-
cle interior down to the selected tempera-
ture. The cooling function also
dehumidifies the air in the vehicle interior,
thus preventing the windows from fogging
up.The “AC
OFF” function is used to permanent-
ly switch off the cooling function of the au-
tomatic climate control system.
Select climate control settings
Cen-
tral climate control menu.
FunctionPage
Switching off cooling (“ACOFF”)254
Central climate control (“Mono”)255
Footwell temperature255
Air flow from air vents256
Rear climate control*257
iCondensation may drip out from underneath
the vehicle. This is normal and not an indication
of a malfunction.
Warning!G
If you turn 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.

255 Control systems
COMAND automatic climate control
Selecting “ACOFF”: Slide qmr or
rotateymz.
Confirming selection: Press n.
A checkmark appears when the cooling
is switched off.
“AC
OFF” appears in the central menu of
the climate control settings.Selecting “Mono” mode
“Mono” is used to adjust the climate zones
for the entire vehicle at the same time.
When the “Mono” function is switched on
and you change the climate on the driver’s
side, these changes will be carried out in
the same manner for all climate zones.
Select climate control settings
Cen-
tral climate control menu.
Selecting “Mono”: Slide qmr or
rotateymz.
Confirming selection: Press n.
A checkmark appears when the func-
tion has been selected.
Exiting menu: Press back button L
in the center console (
page 86) or
slideomp.The “Mono” function is automatically
switched off when you:

change an automatic climate control
setting for the front passenger’s side
using COMAND

operate a button from the automatic
climate control for the front passen-
ger’s side

operate one of the buttons for the rear
climate control system
Adjusting footwell temperature
The “Footwell Temperature” function is
used to adjust the temperature difference
between the footwell and the rest of the
passenger compartment.
The higher the selected value, the higher
the temperature in the footwell will be.
Select climate control settings
Cen-
tral climate control menu.
!If the air conditioning cannot be turned on
again, this indicates that the air conditioning is
losing refrigerant. The compressor has turned it-
self off.
Have the air conditioning checked at the nearest
authorized Mercedes-Benz Center.
iIn automatic mode, this setting optimizes
the footwell temperature when outside tempera-
tures are low.


256 Control systems
COMAND automatic climate control
Selecting “Footwell Temperature”:
Slide qmr or rotate ymz and then
pressn.
Changing temperature difference:
Slide qmr or rotate ymz.
Exiting menu: Press n, back
buttonL in the center console
(
page 86) or slideomp.
The setting is saved.Adjusting air flow from air vents
The “Airflow” setting defines air distribu-
tion and air volume in automatic mode:

“Focused” (default setting, increased
air flow)

“Medium” (reduced air flow)

“Diffuse” (minimal air flow)
Select climate control settings
Cen-
tral climate control menu
“Airflow”.
A selection list appears.
The current setting is indicated by a
dotR.
Changing air flow: Slide qmr or
rotateymz.
Confirming selection: Press n.
iIn automatic mode, this setting optimizes
the air flow when outside temperatures are high.
iWhen the interior ambient temperature of
the vehicle is very hot and the automatic climate
control is cooling the interior, the setting for air
flow is temporarily overridden.


257 Control systems
COMAND automatic climate control
Operating rear climate control* from
the front
The “Rear)” function is used to oper-
ate the rear climate control via COMAND
and the buttons on the center console con-
trol unit (
page 477).
Switching on rear climate control oper-
ation from the front
Select climate control settings
Cen-
tral climate control menu.
Selecting “Rear)”: Slide qmr or
rotate ymz.
Confirming selection: Press n.In the climate control settings, “)”
appears in the central menu. The rear
climate control can be operated from
the front.
Climate control settings, rear climate
control
1Rear temperature, left
2Rear air distribution, left
3Rear air volume
4Central menu for rear climate control
5Rear air distribution, right
6Rear temperature, right
The rear climate control is operated in the
same manner as the climate control sys-
tem for the driver’s and front passenger’s
side (
page 251).Central menu for rear climate control
In the central menu for the rear climate
control, you can:

switch back to operating the front cli-
mate control system

switch off the rear climate control

switch the automatic function of the
rear climate control from automatic to
manual
Select climate control settings
Cen-
tral climate control menu.

258 Control systems
COMAND automatic climate control
Switching off rear climate control oper-
ation from the front
Select climate control settings
Cen-
tral climate control menu.
The current setting is indicated by a
dotR.
Selecting “Front Climate Control”:
Slide qmr or rotate ymz.
Confirming selection: Press n.
The climate control settings shows the
climate control settings for the driver
and front passenger.Switching off rear climate control
Select climate control settings
Cen-
tral climate control menu.
The current setting is indicated by a
dotR.
Selecting “Rear Climate Control
OFF”: Slide qmr or rotate ymz.
Confirming selection: Press n.
The rear climate control is switched off.Switching on the automatic function of
the rear climate control
Select climate control settings
Cen-
tral climate control menu.
The current setting is indicated by a
dotR.
Selecting “Rear Automatic”:
Slideqmr or rotate ymz.
Confirming selection: Press n.
The automatic function of the rear cli-
mate control is switched on.

259 Control systems
COMAND seats
COMAND seats
When adjusting the seats, observe the
safety notes in the section “Seats”
(
page 347).
Operating seats via COMAND
The following seat adjustments can be
made via COMAND:Selecting a seat
You must first select the seat for which you
would like to make adjustments.
1Seat menu button
Press O.
The main area is active.
Switching to the bottom menu line:
Slide qmr.
Example illustration (vehicles with Drive-dy-
namic multicontour seat*)
Selecting seat: Slide omp or
rotateymz.
Confirming selection: Press n.
Exiting menu
There are several ways to exit the multi-
contour seat menu.
Press O again.
or
Press any shortcut button.
or
iThe components and operating principles of
COMAND can be found on (
page 85).
SettingsPage
Lumbar support260
Multicontour seats*, front260
Drive-dynamic multicontour
seats*, front262