2003 MERCEDES-BENZ CL500 roof

163 Controls in detail
Automatic climate control
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.
Activating
Press button
,
(page 159).
The indicator lamp on the button lights
up.
Warning!
G
When the outside temperature is below
41°F (5°C), only switch to air recirculation
mode for short periods to prevent window
fogging.iIf you keep button
,
pressed, the
side windows and the sliding / pop-up
roof will be closed.
Warning!
G
Never operate the side windows and the
sliding/pop-up roof if there is the possibility
of anyone being harmed by the closing pro-
cedure.
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 or by pressing
the respective window switch. The closing of
the sliding/pop-up roof can be immediately
halted by releasing the
,
button or by
moving the sliding/pop-up roof switch in the
overhead control panel in any direction.
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 beyond a
predetermined level, for example in
a tunnel.
Please note that the charcoal filter
must be activated (
page 164) for the
air recirculation mode to be activated
automatically.
If you have turned off the air condition-
ing (
page 166) or the outside
temperature is below 41°F (5°C), the
air recirculation mode will not switch
on automatically.

164 Controls in detailAutomatic climate controlDeactivating
Press button
,
(page 159).
The indicator lamp on the button goes
out.
The air recirculation mode is deactivated
automatically:


after five minutes if the outside temper-
ature is below approximately 41°F
(5 °C)


after five minutes if the air conditioning
is turned off


after 30 minutes if the outside temper-
ature is above approximately 41°F
(5 °C)At outside temperatures above 79°F
(26 °C) the system will not automatically
switch back to outside air. A quantity of
outside air is added after approximately
30 minutes.
Charcoal filter
An activated charcoal filter markedly re-
duces bad odors and removes pollutants
from air entering the passenger compart-
ment.
Activating
Press button
e
(page 159).
The indicator lamp on the button lights
up.
Deactivating

Press button
e
(page 159).
The indicator lamp on the button goes
out.
iIf you keep button
,
pressed, the
side windows and the sliding / pop-up
roof will be returned to their previous
position.
iIf you keep button
e
pressed, the
side windows and the sliding / pop-up
roof will be closed.
Warning!
G
Never operate the side windows and the
sliding/pop-up roof if there is the possibility
of anyone being harmed by the closing pro-
cedure.
In the event that the procedure causes po-
tential danger, the procedure can be imme-
diately halted by releasing the
e
button
or by pressing the respective window
switch. The closing of the sliding/pop-up
roof can be immediately halted by releasing
the
e
button or by moving the slid-
ing/pop-up roof switch in the overhead con-
trol panel in any direction.

165 Controls in detail
Automatic climate control
The system switches automatically to the
air recirculation mode if the carbon
monoxide (CO) or nitrogen oxide (NO
X)
concentration of the outside air increases
beyond a predetermined level, for example
in a tunnel.
The automatic air recirculation mode does
not function if AC
OFF
m o d e i s s e l e c t e d o r i f
the outside temperature has fallen below
41°F (5°C).
The activated charcoal filter should be
switched off when windows fog up on the
inside, or if the passenger compartment
needs to be quickly heated or cooled
down.
Rear window defroster
The rear window defroster uses a large
amount of power. To keep battery drain to
a minimum, switch off the defroster as
soon as the rear window is clear. The de-
froster is automatically deactivated after
approximately 6 to 17 minutes of opera-
tion depending on the outside tempera-
ture.
Activating
Press button
F
(page 159).
The indicator lamp on the button lights
up.
Deactivating

Press button
F
(page 159) again.
The indicator lamp on the button goes
out.
iIf you keep button
e
pressed, the
side windows and the sliding / pop-up
roof will be returned to their previous
positions.
Warning!
G
Any accumulation of snow and ice should be
removed from the rear window before driv-
ing. Visibility could otherwise be impaired,
endangering you and others.!If the rear window defroster switches
off too soon and the indicator lamp
starts blinking, this means that too
many electrical consumers are operat-
ing simultaneously and there is insuffi-
cient voltage in the battery. The system
responds automatically by deactivating
the rear window defroster.
As soon as the battery has sufficient
voltage, the rear window defroster au-
tomatically turns itself back on.

171 Controls in detail
Power windows
Stopping windows
Press respective switch again.Opening and closing the windows with
the SmartKey
The sliding/pop-up roof will also be
opened or closed when you operate the
power windows with the key.Opening (Summer opening feature)

Press and hold button
Œ
after un-
locking the vehicle.
The windows and sliding / pop-up roof
begin to open after approximately one
second.

Release the
‹
button to stop proce-
dure.
Closing (Convenience feature)

Press and hold button
‹
after lock-
ing the vehicle.
The windows and sliding / pop-up roof
begin to close after approximately one
second.

Release the
‹
button to stop proce-
dure.
Make sure that all side windows and the
sliding / pop-up roof are properly closed
before leaving the vehicle.
iYou can also open or close the win-
dows using the:

SmartKey, see below


button
O
in the control panel of
the automatic climate control
(
page 159).


button
e
in the control panel of
the automatic climate control
(
page 159).
Warning!
G
Never operate the windows or sliding /
pop-up roof if there is the possibility of any-
one being harmed by the opening or closing
procedure.
In the event that the procedure causes po-
tential danger, the procedure can be imme-
diately halted by releasing the remote
control button. To reverse direction of
movement, press
Œ
for opening or
‹
for closing.

172 Controls in detailPower windowsClosing the side windows and sliding /
pop-up roof with KEYLESS-GO*
Press and hold lock button at door
(page 52) until the side windows and
the sliding / pop-up roof are closed.
Synchronizing power windows
The power windows must be resynchro-
nized each time after the battery has been
disconnected:
Push the power window switches until
the side windows are closed and hold
the switches for approximately one
second.
Warning!
G
When closing the windows and the sliding /
pop-up roof, make sure that there is no dan-
ger 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:
SmartKey

Release the
‹
button.


Press and hold the
Œ
button until
the windows and the sliding / pop-up
roof open again.
KEYLESS-GO*


Release the lock button.


Pull on the door handle and hold firmly.
The side windows and the
sliding / pop-up roof will open for as long
as the door handle is held but the door
not opened.

173 Controls in detail
Sliding / pop-up roof
Sliding / pop-up roof
Opening and closing the sliding / pop-up roof
1Push up to raise roof at rear
2Pull down to lower roof at rear
3Push forward to slide roof closed
4Push back to slide roof openWith the roof closed or tilted open, a
screen can be slid into the roof opening to
guard against sun rays. When sliding the
roof open, the screen will also retract.Opening and closing the sliding /
pop-up roof

Turn the key in the starter switch to
position1 or2 or press the
KEYLESS-GO* start / stop button.

To open, close, raise or lower the
sliding / pop-up roof, move the switch
to resistance point in the required di-
rection.
Release the switch when the roof has
reached the required position.
Warning!
G
When closing the sliding / pop-up roof, make
sure that there is no danger of anyone being
harmed by the closing procedure.
The closing procedure of the sliding / pop-up
roof can be immediately halted by releasing
the switch or, if the switch was moved past
the resistance point and released, by mov-
ing the switch in any direction.
When leaving the vehicle, always remove the
key from starter switch, take the
KEYLESS-GO* card with you, and lock your
vehicle. Do not leave children unattended in
the vehicle, or with access to an unlocked
vehicle. Unsupervised use of vehicle equip-
ment may cause an accident and / or seri-
ous personal injury.

174 Controls in detailSliding / pop-up roofOpening the sliding / pop-up roof auto-
matically
To select a sunroof opening position,
press the switch to the resistance point
and release it when the sunroof has
reached the required position.
The sliding / pop-up roof now opens to
the position set if the switch is pressed
past the resistance point in the “open”
direction.
Closing the sliding / pop-up roof auto-
matically

Press the switch past the resistance
point in the “close” direction and re-
lease.
The sliding / pop-up roof closes com-
pletely.
Stopping the sliding / pop-up roof

Move the switch in any direction.If the movement of the sliding / pop-up
roof is blocked during the closing pro-
cedure, the roof will stop and reopen
slightly.Opening and closing the sliding /
pop-up roof with the SmartKey
The power windows will also be opened or
closed when you operate the sliding /
pop-up roof with the key.

Aim transmitter eye at the front door
handle.
iYou can also open or close the sliding /
pop-up roof using the:

SmartKey (
page 171)


button
O
in the control panel of
the automatic climate control
(
page 159)


button
e
in the control panel of
the automatic climate control
(
page 159)
!To avoid damaging the seals, do not
transport any objects with sharp edges
which can stick out of the sliding /
pop-up roof.
The sliding / pop-up roof can be opened
or closed manually should an electrical
malfunction occur (
page 301).
Warning!
G
Never operate the windows or sliding /
pop-up roof if there is the possibility of any-
one being harmed by the opening or closing
procedure.
In case the procedure causes potential dan-
ger, the procedure can be stopped immedi-
ately by releasing the remote control button.
To reverse direction of movement,
press
Œ
for opening or
‹
for closing

175 Controls in detail
Sliding / pop-up roof
Opening (Summer opening feature)
Press and hold button
Œ
after un-
locking the vehicle.
The windows and sliding / pop-up roof
begin to open after approximately one
second.

Release the
‹
button to stop proce-
dure.
Closing (Convenience feature)

Press and hold button
‹
after lock-
ing the vehicle.
The windows and sliding / pop-up roof
begin to close after approximately one
second.

Release the
‹
button to stop proce-
dure.
Make sure that all side windows and the
sliding / pop-up roof are properly closed
before leaving the vehicle.Closing the side windows and sliding /
pop-up roof with KEYLESS-GO*
(Convenience feature)

Press and hold lock button at door
(page 52) until the side windows and
the sliding / pop-up roof are closed.
Synchronizing the sliding / pop-up roof
The power sliding / pop-up roof must be re-
synchronized each time after:

the battery has been disconnected


the sliding / pop-up roof has been
closed manually


the sliding / pop-up roof does not open
smoothly


a malfunction

Press the switch in direction1
(page 173).

Wait until the sliding / pop-up roof is
raised and hold the switch down for
approx. one second.
Warning!
G
When closing the windows and the sliding /
pop-up roof, make sure that there is no dan-
ger of anyone being harmed by the closing
procedure.
If potential danger exists, proceed as fol-
lows:

Release the lock button.


Pull on the door handle and hold firmly.
The side windows and the
sliding / pop-up roof will open for as long
as the door handle is held but the door
not opened.