2006 MERCEDES-BENZ SL600 page 1

187 Controls in detail
Automatic climate control
Activating
Press button P (
page 181).
The indicator lamp on the button
comes on.
The air conditioning switches to the fol-
lowing functions automatically:


cooling on to dehumidify


maximum blower speed and
heating power


air flows onto the windshield
and the front side windows


the air recirculation mode is
switched off
Deactivating

Press button P (
page 181).
The indicator lamp on the button goes
out. Defrosting is turned off.
The previous settings are in effect
again.Windshield fogged on the outside

Switch the windshield wipers on
(page 54).
If the automatic air distribution and air vol-
ume are switched off:

Turn air distribution controls2 and 6
(page 181) to position h ork.
or

Press control buttons 2, 6 and a
(page 181).
The control buttons are engaged. The
U symbol on the control buttons
come on. Air distribution and air vol-
ume are adjusted automatically.
Air recirculation mode
Switch to air recirculation mode to prevent
unpleasant odors from entering the vehicle
from the outside. This setting cuts off the
intake of outside air and recirculates the
air in the passenger compartment.
iThe cooling remains switched on.iKeep this setting selected only until the
windshield is clear again.
Warning!
G
Fogged windows impair visibility, endanger-
ing you and others. If the windows begin to
fog on the inside, switching off the air
recirculation mode immediately should clear
interior window fogging. If interior window
fogging persists, make sure the air
conditioning (
page 189) is activated, or
press buttonP.

188 Controls in detailAutomatic climate controlActivating
Briefly press button,
(page 181).
The indicator lamp on the button
comes on.Deactivating

Briefly press button ,
(page 181).
The indicator lamp on the button goes
out.
iThe air recirculation mode is activated
automatically

at high outside temperatures


if the concentration of carbon mon-
oxide and nitrogen oxide in the out-
side air increases, for example in a
tunnel
The indicator lamp on button, is
not lit when the air recirculation mode
is automatically switched on.
A quantity of outside air is added after
approximately 30 minutes.
Warning!
G
Never operate the side windows if there is
the possibility of anyone being harmed by
the closing procedure.
In the event that the procedure causes po-
tential danger, the closing of the side win-
dows can be immediately halted by
releasing the, button.iPress and hold button,. The win-
dows will close.
The closing of the windows can be im-
mediately halted by releasing
button,.
iThe air recirculation mode is deactivat-
ed automatically

after five minutes if the outside
temperature is below approximate-
ly 41°F (5 °C)


after five minutes if the air condi-
tioner is turned off


after 30 minutes if the outside tem-
perature is above approximately
41°F (5 °C)

189 Controls in detail
Automatic climate control
At outside temperatures above 79°F
(26 °C) the system will not automatically
switch back to outside air.
Air conditioning
The air conditioning (cooling) function is
operational when the engine is running and
cools the vehicle interior down to the se-
lected temperature. In addition, the cool-
ing function dehumidifies the air in the
vehicle interior, thus preventing the win-
dows from fogging up.Deactivating
It is possible to deactivate the cooling
function of the automatic climate control
system. The air in the vehicle will then no
longer be cooled or dehumidified.

Press button 2 (
page 181).
The indicator lamp on the button goes
out. The cooling function switches off
after a short delay.
iPress and hold button,. The win-
dows will open.
The opening of the windows can be im-
mediately halted by releasing
button,.
iCondensation may drip out from under-
neath 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.

190 Controls in detailAutomatic climate controlActivating
Moist air can fog up the windows. You can
dehumidify the air with the air condition-
ing.
Press button 2 once more
(page 181).
The indicator lamp on the button
comes on.
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
for up to 30 minutes. This feature makes
use of the residual heat produced by the
engine.Activating
With the SmartKey:

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

Press button T (
page 181).
The indicator lamp on the button
comes on.
With KEYLESS-GO*:

Turn off the engine by pressing the
KEYLESS-GO* start/stop button and
open the driver’s door (with the driver’s
door open, the starter switch is in posi-
tion 0, same as with the SmartKey re-
moved from the starter switch)

Press button T (
page 181).
The indicator lamp on the button
comes on.
!If the 2 button on the automatic cli-
mate control panel starts to flash, this
indicates that the air conditioning is
losing refrigerant. The compressor has
turned off. The air conditioning cannot
be turned on again.

Have the air conditioning checked
at the nearest authorized
Mercedes-Benz Center.
iHow long the system will provide heat-
ing depends on the coolant tempera-
ture and the selected temperature. The
blower will run at low speed regardless
of the air distribution control setting.

191 Controls in detail
Automatic climate control
Deactivating
Press button T (
page 181).
The indicator lamp on the button goes
out.
The residual heat is automatically turned
off:


when the ignition is switched on


after about 30 minutes


if the battery voltage drops


when the coolant temperature is too
low
Ventilated storage compartments
The glove box and the armrest storage
compartment have their own air vents that
allow for cooling ventilation when the auto-
matic climate control system is activated.Glove box1Thumbwheel
2Air ventOpening the air vent

Turn thumbwheel1 upwards.
Closing the air vent

Turn thumbwheel1 downwards.
Storage compartment under the armrest1Thumbwheel
2Air vent
Opening the air vent
Turn thumbwheel1 to the right.
Closing the air vent

Turn thumbwheel1 to the left.
iYou should keep these air vents closed
when outside temperatures are low.

192 Controls in detailPower windowsOpening and closing the windows
The windows are opened and closed elec-
trically. The switches for all the windows
are on the driver’s door. The switch for the
passenger side windows is on the passen-
ger door.
1Left door and rear side windows
2Right door and rear side windows

Switch on the ignition (
page 36).
Warning!
G
When closing the windows, make sure that
there is no danger of anyone being injured
by the closing procedure.
The closing of the door windows can be im-
mediately halted by releasing the switch or,
if the switch was pulled past the resistance
point and released, by either pressing or
pulling the respective switch.
The closing of the rear side windows can be
immediately halted by releasing the switch.
If a door window encounters an obstruction
that blocks its path in a circumstance where
you pulled the switch past the resistance
point and released it to close the door win-
dow, the automatic reversal function will
stop the door window and open it slightly.
If the door window encounters an obstruc-
tion that blocks its path in a circumstance
where you are closing the door window by
pulling and holding the switch, by pressing
and holding button ‹on the SmartKey,
by pressing and holding the lock button (ve-
hicles with KEYLESS-GO*) on an outside
door handle, by pressing and holding the re-
tractable hardtop switch, or by pressing and
holding button
,
on the climate control
panel, the automatic reversal function will
not operate.
When leaving the vehicle, always remove the
SmartKey or the SmartKey with
KEYLESS-GO* from the starter switch, take
it with you, and lock the vehicle. Do not
leave children unattended in the vehicle, or
with access to an unlocked vehicle. Unsu-
pervised use of vehicle equipment can
cause an accident and/or serious personal
injury.
iDepending on the current position, the
windows may also open or close when
the air recirculation button , on the
control panel of the automatic climate
control (
page 187) is pressed and
held.

194 Controls in detailPower windowsFully closing the door windows
(Express-close)
Pull switch1 or2 past the resis-
tance point and release.
The corresponding door window closes
completely.
If the upward movement of the door win-
dow is blocked during the closing proce-
dure, the door window will stop and open
slightly.
Stopping windows

Press or pull the respective switch
again.Closing the windows with
KEYLESS-GO*

Press and hold lock button on an out-
side door handle (
page 62) until the
windows are closed.
Synchronizing power windows
The power window must be resynchro-
nized each time

after the battery has been disconnect-
ed


if the power windows cannot be fully
opened (Express-open) or closed
(Express-close)
Synchronizing the power windows

Switch on the ignition (
page 36).

Pull the power window switches until
the side windows are closed.
Hold the switches for approximately
1 second.
The power windows are synchronized.
Warning!
G
Driver’s door only:
If within 5 seconds the switch is again
pulled past the resistance point and re-
leased, the automatic reversal will not
operate.
Warning!
G
When closing the windows make sure that
there is no danger of anyone being harmed
by the closing procedure.
The windows will not automatically re-open
if blocked during convenience closing.
If potential danger exists, proceed as fol-
lows:

Release the lock button.


Pull on the door handle and hold firmly.
The side windows open for as long as
the door handle is held but the door not
opened.

196 Controls in detailRetractable hardtopLuggage cover
The luggage cover is located in the trunk.
1Handle
2Holders
Closing luggage cover
Pull out the luggage cover using
handle1.

Hook the luggage cover into left and
right side holders2.Opening luggage cover

Unhook luggage cover from side hold-
ers.

While holding on to handle1, guide
luggage cover back into its storage
compartment. Opening the retractable hardtop with
the switch
Hardtop switchBefore pulling on the hardtop switch, you
must make sure

the parking brake is engaged
(page 51)


the luggage cover is closed, see Lug-
gage cover


the trunk lid is closed


the ignition is switched on
!To prevent damage to the hardtop or
luggage/cargo when lowering the roof:

Load trunk only to the height of the
luggage cover.


Do not permit luggage/cargo to
push up the closed luggage cover.


Do not load anything on top of or in
front of the luggage cover.


Do not place anything on the shelf
behind the roll bar.