Interior MERCEDES-BENZ S350 2006 W221 Owner's Guide

194 Controls in detailAutomatic climate controlThe automatic climate control is operation-
al whenever the engine is running. You can
operate the climate control system in ei-
ther the automatic or manual mode. The
system cools or heats the interior depend-
ing on the selected interior temperature
and the current outside temperature.Nearly all dust particles, pollutants and
odors are filtered out before outside air en-
ters the passenger compartment through
the air distribution system.
The air conditioning will not engage (no
cooling) if the ± mode is selected
(
page 202).
Warning!
G
When operating the automatic climate con-
trol, the air that enters the passenger com-
partment through the air vents in the
footwell can be very hot or very cold (de-
pending on the set temperature). This may
cause burns or frostbite on unprotected skin
in the immediate area of the air vents. Al-
ways keep sufficient distance between un-
protected parts of the body and the footwell
air vents. If necessary change the air flow
using the air distribution controls to direct
the air away from the footwell air vents
(page 196).
Warning!
G
Follow the recommended settings for heat-
ing and cooling given on the following pag-
es. Otherwise the windows could fog up,
impairing visibility and endangering you and
others.
iThe current climate control settings
(ON/OFF, temperature, air volume, ac-
tivated charcoal filter, etc.) are stored
for each SmartKey before it is removed
from the starter switch or when the ve-
hicle is locked using the SmartKey with
KEYLESS-GO* (
page 108).
If the vehicle interior is hot, ventilate
the interior before driving off.
Keep the air intake grille in front of the
windshield free of snow, leaves, sticks,
and any other debris.
Do not obstruct air volume by placing
objects on the air volume-through ex-
haust slots below the rear window.
iWhen operating the climate control
system in automatic mode, you will
only rarely need to adjust the tempera-
ture, air volume and air distribution.

195 Controls in detail
Automatic climate control
Deactivating the climate control sys-tem
Deactivating
It is possible to completely deactivate the
automatic climate control system. 
Press button M (
page 193).
The display shows
0.
Reactivating

Press button M (
page 193).
Setting the temperature
Use temperature controls aand8
(page 193) to separately adjust the air
temperature on each side of the passenger
compartment. You should raise or lower
the temperature setting in small incre-
ments, preferably starting at 72°F (22°C).
Increasing/decreasing

Press button a or 8 repeatedly until
the display shows the desired tempera-
ture.
The automatic climate control system
will correspondingly adjust the interior
air temperature.
Adjusting the temperature for center
air vents
When outside temperatures are low, you
can manually raise the air temperature for
the center and side air vents. The
thumbwheel4 is located between the
center air vents (
page 192).Automatic temperature control

Turn thumbwheel 4 to A.
The indicator lamp above the thumb-
wheel comes on. The temperature is
automatically adjusted to the set value.
Turning on warm air

Turn thumbwheel4 in the direction of
the white marking.
Warm air will enter from the center air
vent.
Turning on cooler air

Turn thumbwheel4 in the direction of
the blue marking.
Cooler air will enter from the center air
vent.
iWhen the air conditioning is switched
off, the outside air supply and circula-
tion are also switched off. Only choose
this setting for a short time. Otherwise
the windows could fog up.

196 Controls in detailAutomatic climate controlAdjusting air distribution
Use air distribution controlsc and6
(page 193) to separately adjust the air
distribution on each side of the passenger
compartment. The following symbols are
found on the controls:
Adjusting manually

Press left or right buttonU.
The buttonU will pop out.
The button emerges and theh,
», d and csymbols become
visible.

Turn the marking on the regulator to
the desired symbol.
The air will be directed to the vents cor-
responding to this symbol.
Adjusting automatically

Press left or right buttonU until it
clicks in.
Theh, », d and c sym-
bols are no longer visible.
The air distribution is adjusted auto-
matically.
Windows fogged on the inside

Press button± to switch on the air
conditioning (
page 193).
The indicator lamp in the button goes
out.

Press button, to switch off the air
recirculation (
page 193).
The indicator lamp on the button goes
out.

Make sure left and right buttonU
emerges.
Theh, », d and c sym-
bols become visible.

Press left and right buttond.

Set blower to the maximum speed.

Adjust left and right air vents1
and7 upwards (
page 192).

Increase temperature setting.

Open side air vents9 and direct them
onto the side windows (
page 192).
Windshield fogged on the outside

Switch the windshield wipers on
(page 52).

Press on both buttons U until they
click in.
Theh, », d and c sym-
bols are no longer visible.
Symbol
Function
h
Directs air through the cen-
ter air vents
d
Directs air to the windows
»
Directs air into the entire
vehicle interior
c
Directs air to the footwells

197 Controls in detail
Automatic climate control
Adjusting air volume
Use air volume control9 (
page 193) for
both automatic and manual air volume ad-
justment.
Adjusting automatically

PressA on air volume switch9
(page 193).
The display shows
AUTO
. The air volume
is adjusted automatically.
Adjusting manually
Reducing air volume

Press switch9 down until the desired
air volume is reached.
The display shows the current level.
Increasing air volume

Press switch9 up until the desired air
volume is reached.
The display shows the current level.
Maximum cooling MAXCOOL
If the left and right air distribution controls
as well as the air volume control are set
toU and there is a high need for cool-
ing, the display
AUTO MAXCOOL
appears.
This provides the fastest possible cooling
of the vehicle interior (when windows and
tilt/sliding sunroof are closed).
Defrosting
Activating
Press buttonP (
page 193).
The indicator lamp on the button
comes on.

Switch off air recirculation, if selected.

Press button, (
page 193).
The indicator lamp on the button goes
out.

Close center air vents.

Adjust side air vents upwards.
Deactivating

Press buttonP (
page 193).
The indicator lamp on the button goes
out. Defrosting is turned off.
iThese settings should only be selected
for a short time.

202 Controls in detailAutomatic climate controlAir conditioning
The air conditioning is operational while
the engine is running and cools the interior
air to the temperature set by the operator.
Deactivating
It is possible to deactivate the air condi-
tioning (cooling) function of the automatic
climate control system. The air in the vehi-
cle will then no longer be cooled or dehu-
midified.
Press button± (
page 193).
The indicator lamp on the button±
comes on.Activating
Moist air can fog up the windows. You can
dehumidify the air with the air condition-
ing.

Press± again (
page 193).
The indicator lamp on button ±
goes out.
The air conditioning uses the refrigerant
R134a. This refrigerant is free of CFCs
which are harmful to the ozone layer.
Residual heat and ventilation
With the engine switched off, it is possible
to continue to heat or ventilate the interior.
This feature makes use of the residual heat
produced by the engine.
Activating
Turn the SmartKey in the starter switch
to position1 or 0, or remove it from the
starter switch.

Press buttonT (
page 193).
The indicator lamp on buttonT
comes on.
iCondensation may drip out from under-
neath the vehicle. This is normal and
not an indication of a malfunction.
!If button± on the automatic cli-
mate control panel starts to flash, this
indicates that the air conditioning is
losing refrigerant. The compressor has
turned itself off. The air conditioning
cannot be turned on again.
Have the air conditioning checked at
the nearest authorized Mercedes-Benz
Center.

205 Controls in detail
Automatic climate control
Rear passenger compartment climate control*
The automatic climate control is operation-
al whenever the engine is running. You can
operate the climate control system in ei-
ther the automatic or manual mode. The
system cools or heats the interior depend-
ing on the selected interior temperature
and the current outside temperature.
The automatic climate control system is
adjustable individually for the rear passen-
ger compartment.
Nearly all dust particles, pollutants and
odors are filtered out before outside air en-
ters the passenger compartment through
the air distribution system.The control panel is located in the rear cen-
ter console.
Rear automatic climate control panel
iWhen the rear seats are not occupied
(rear seat belts unbuckled) the rear cli-
mate control system adopts the set-
tings of the front climate control
system.
Item
1
Left center air vent, adjustable
2
Display
3
Right center air vent, adjustable
4
Thumbwheel for air distribution
5
Temperature control, right
6
Air volume (automatic, manual)
7
Temperature control, left
8
Rear climate control system on/off
Residual engine heat utilization
(REST)
Warning!
G
Follow the recommended settings for heat-
ing and cooling as given in the instructions
for the front automatic climate control
(page 192). Otherwise the windows could
fog up, impairing visibility for the driver and
endangering you and others.

206 Controls in detailAutomatic climate controlDeactivating and reactivating the cli-
mate control system
Deactivating
It is possible to completely deactivate the
automatic climate control system. 
Press button M (
page 205).
The display shows
0.
Reactivating

Press button M (
page 205).Setting the temperature
Use temperature controls 5and7
(
page 205) to separately adjust the air
temperature on each side of the passenger
compartment. You should raise or lower
the temperature setting in small incre-
ments, preferably starting at 72°F (22°C).
Increasing/decreasing

Press button 5 or 7 repeatedly until
the display shows the desired tempera-
ture.
The automatic climate control system
will correspondingly adjust the interior
air temperature.Adjusting air distribution
Use thumbwheel4 (
page 205) to sepa-
rately adjust the air distribution in the rear
passenger compartment. The following
symbols are found on the controls:

Turn thumbwheel4 to the desired
symbol.
The air will be directed to the vents cor-
responding to this symbol.
iWhen the air conditioning is switched
off, the outside air supply and circula-
tion are also switched off. Only choose
this setting for a short time. Otherwise
the windows could fog up.
Symbol
Function
d
Directs air to the center air
vents
c
Directs air to the footwell
air vents

207 Controls in detail
Automatic climate control
Adjusting air volume
Adjusting automatically
PressA on air volume switch6
(page 205).
The display shows
AUTO
The air volume
is adjusted automatically.
Reducing air volume

Press switch6 down until the desired
air volume is reached.
The display shows the current level.
Increasing air volume

Press switch6 up until the desired air
volume is reached.
The display shows the current level.Residual heat and ventilation
With the engine switched off, it is possible
to continue to heat or ventilate the interior.
This feature makes use of the residual heat
produced by the engine.
Activating

Turn the SmartKey in the starter switch
to position1 or0, or remove it from
the starter switch.

Press buttonT (
page 205).Deactivating

Press buttonT (
page 205).
The residual heat is automatically turned
off:


when the ignition is switched on


after approximately 30 minutes
(15 minutes when residual heat and
ventilation in the front are also
switched on)


if the battery voltage dropsiHow long the system will provide heat-
ing depends on the coolant tempera-
ture and the temperature set by the
operator. The blower will run at speed
setting 1 regardless of the air distribu-
tion control setting.

240 Controls in detailLoadingLoading instructions
The total load weight including vehicle oc-
cupants and luggage/cargo should not ex-
ceed the load limit or vehicle capacity
weight as indicated on the corresponding
placard located on the driver’s door B-pillar
(page 300).
Cargo tie-down hooks
Six hooks are located in the trunk.
Carefully secure cargo by applying
even load on all hooks with rope of suf-
ficient strength to hold down the cargo.
Warning!
G
Always fasten items being carried as secure-
ly as possible.
In an accident, during hard braking or sud-
den maneuvers, loose items will be thrown
around inside the vehicle and can cause in-
jury to vehicle occupants unless the items
are securely fastened in the vehicle.
To help avoid personal injury during a colli-
sion or sudden maneuver, exercise care
when transporting cargo. Put luggage or car-
go in the trunk if possible. Do not pile lug-
gage or cargo higher than the seat backs.
Do not place anything on the rear-window
shelf.
Never drive vehicle with trunk open. Deadly
carbon monoxide (CO) gases may enter ve-
hicle interior resulting in unconsciousness
and death.

248 Controls in detailUseful featuresCup holders
Cup holder in front of seat armrestFolding out cup holder
The cup holder is located in the storage
compartment in front of the armrest.
1Button for folding out the cup holder

Open the storage compartment in front
of armrest (
page 244).

Push button1.
The cup holder opens automatically.
Warning!
G
In order to help prevent spilling liquids on
vehicle occupants and/or vehicle equip-
ment, only use containers that fit into the
cup holder. Use lids on open containers and
do not fill containers to a height where the
contents, especially hot liquids, could spill
during braking, vehicle maneuvers, or in an
accident. Liquids spilled on vehicle occu-
pants may cause serious personal injury.
Liquids spilled on vehicle equipment may
cause damage not covered by the
Mercedes-Benz Limited Warranty.
When not in use, keep the cup holder
closed. An open cup holder may cause injury
to you or others when contacted during
braking, vehicle maneuvers, or in an acci-
dent.
Keep in mind that objects placed in the cup
holder may come loose during braking, vehi-
cle maneuvers, or in an accident and be
thrown around in the vehicle interior. Ob-
jects thrown around in the vehicle interior
may cause an accident and/or serious per-
sonal injury. !Only place containers with a maximum
diameter of 2
3/4in (72 mm) in the cup
holder. Larger containers could dam-
age the holder arm.