2010 MERCEDES-BENZ R320 lock

shown in air volume display
G
(Y page 164).
or
X Press air distribution button ¯, P, or
O.
The indicator lamp in button à goes out.
The automatic operation of air distribution
switches off. Setting the temperature
You can adjust the air temperature on each
side of the passenger compartment. You
should

raise or lower the temperature setting
in small increments, preferably starting at
72‡ (22†).
X Increasing/decreasing: Turn
temperature control : and/or C
(Y page 164) slightly clockwise or
counterclockwise. Adjusting air distribution
The
air distribution can be adjusted manually.
The symbols on the buttons represent the
following functions: Symbol Function
¯
Directs air to the windshield and
side air vents
P
Directs air through the center
and side air vents
O
Directs air to the footwells and
side air vents
X
Press the desired air distribution button
¯, P, or O.
The

indicator lamp in button à goes out.
The automatic mode is switched off. Air
distribution is controlled according to the
desired button. Adjusting air volume
X Decreasing/increasing: Press button
I or K.
The automatic mode is switched off. The
selected blower speed is shown in air
volume display G (Y page 164).
When using the Voice Control System, the
blower speed reduces automatically. When
the Voice Control System is not used
anymore, the blower speed increases to the
previously selected level. Front defroster
You can use this setting to defrost the
windshield, for example if it is iced up.
You can also defog the windshield and the
side windows.
i Keep this setting selected only until the
windshield or the side windows are clear
again.
Activating X
Press button ¦.
The
indicator lamp in the button comes on.
The climate control switches to the
following functions automatically:
R most efficient blower speed and heating
power, depending on outside
temperature
R air flows onto the windshield and the
front door windows (side air vents must
be open)
R the air conditioning compressor
switches on at outside temperatures
above approximately 41‡ (5†) for air-
drying
Adjustments
You can adjust the air volume and the
temperature when the front defroster is
switched on. The air flow will remain on the
windshield and front door windows. 168
Climate control
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increments, preferably starting at 72‡
(22†).
Front temperature with front climate
control panel
USA only
X
Increasing/decreasing: Turn
temperature control : and/or C
(Y page 170) slightly clockwise or
counterclockwise.
Canada only
X Increasing/decreasing: Turn
temperature control : and/or E
(Y page 172) slightly clockwise or
counterclockwise.
Rear temperature with front climate
control panel USA only
X
Press button ±.
X Increasing/decreasing: Turn
temperature control C (Y page 170)
slightly clockwise or counterclockwise.
Canada only
X Press button X.
In display J (Y page 172) you will see the
Y symbol.
X Increasing/decreasing: Turn
temperature control E (Y page 172)
slightly clockwise or counterclockwise. Rear temperature with rear climate
control panel X
Increasing/decreasing: Turn
temperature control ; (Y page 174)
slightly clockwise or counterclockwise. Adjusting air distribution
USA only The air distribution can be adjusted manually.
The symbols on the buttons represent the
following functions:
Symbol Function
¯
Directs air to the windshield and
side air vents
P
Directs air through the center
and side air vents
O
Directs air to the footwells and
side air vents
X
Press the desired air distribution button
¯, P, or O.
The automatic mode is switched off. The
indicator lamp in the desired button comes
on.
Canada only The air distribution can be adjusted
separately on each side of the passenger
compartment.
The symbols on the buttons represent the
following functions:3-zone automatic climate control
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X
Switch on the ignition.
X Switching on: Press button ª on the
respective climate control panel.
The
indicator lamp in the button comes on.
X Switching off: Press button ª again.
The rear window defroster switches off when
the battery voltage is too low. The indicator
lamp in button ª flashes. Too many
electrical consumers may be operating
simultaneously.
X Switch off consumers that are currently not
needed if required. Power tilt/sliding sunroof
Opening and closing
G
Observe Safety notes, see page 55. G
Warning!
When opening or closing the tilt/sliding
sunroof, make sure there is no danger of
anyone

being harmed by the opening/closing
procedure.
The tilt/sliding sunroof is equipped with the
express operation and automatic reversal
function. If the movement of the tilt/sliding
sunroof is blocked during the closing
procedure, the tilt/sliding sunroof will stop
and open slightly.
The tilt/sliding sunroof operates differently
when the sunroof switch is pressed and held.
See the “Closing when the tilt/sliding sunroof
is blocked” section for details.
The opening/closing procedure of the tilt/
sliding sunroof can be immediately halted by
releasing the sunroof switch or, if the sunroof
switch was moved past the resistance point
and released, by moving the sunroof switch in
any direction. G
Warning!
The tilt/sliding sunroof is made out of glass.
In the event of an accident, the glass may shatter. This may result in an opening in the
roof.
In a vehicle rollover, occupants not wearing
their seat belts or not wearing them properly
may be thrown out of the opening. Such an
opening

also presents a potential for injury for
occupants wearing their seat belts properly as
entire body parts or portions of them may
protrude from the passenger compartment.
! To avoid damaging the seals, do not
transport any objects with sharp edges
which can stick out of the tilt/sliding
sunroof.
Do not open the tilt/sliding sunroof if there
is snow or ice on the roof, as this could
result in malfunctions.
If you cannot open or close the tilt/sliding
sunroof due to a malfunction contact
Roadside Assistance or an authorized
Mercedes-Benz Center.
! Please keep in mind that weather
conditions can sometimes change rapidly.
Make sure to close the tilt/sliding sunroof
when leaving the vehicle. If water enters
the vehicle interior, vehicle electronics
could be damaged which is not covered by
the Mercedes-Benz Limited Warranty.
i You can also open or close the tilt/sliding
sunroof using the SmartKey or the
KEYLESS-GO function, see “Summer
opening feature” ( Y page 108) and
“Convenience closing feature”
(Y page 108).
i After switching off the ignition or
removing the SmartKey from the starter
switch, you can operate the tilt/sliding
sunroof until you open the driver’s or front
passenger door. If no door was opened you
can operate the tilt/sliding sunroof for up
to 5 minutes. Power tilt/sliding sunroof
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Closing when the tilt/sliding sunroof is
blocked
G
Warning!
Make sure that nobody can become trapped
and be seriously or even fatally injured when
closing the tilt/sliding sunroof with greater
force or without automatic reversal function.
If the movement of the tilt/sliding sunroof is
blocked
during the closing procedure (e.g. by
ice or pollution), the tilt/sliding sunroof will
stop and open slightly.
X Immediately after the tilt/sliding sunroof
has stopped and opened because it was
blocked, pull and hold the sunroof switch
in

direction of arrow = until the tilt/sliding
sunroof is fully closed.
The tilt/sliding sunroof closes with greater
force.
If the tilt/sliding sunroof is blocked again and
opens slightly:
X Immediately after the tilt/sliding sunroof
was

blocked and has opened, pull and hold
the sunroof switch in direction of arrow
= until the tilt/sliding sunroof is fully
closed.
The tilt/sliding sunroof closes without
automatic reversal function. G
Warning!
Pulling and holding the sunroof switch to
close the tilt/sliding sunroof immediately
after

it had been blocked two times will cause
the tilt/sliding sunroof to close without any
reversal function for as long as you hold the
sunroof switch. Synchronizing
The
tilt/sliding sunroof must be synchronized
R after the battery has been disconnected or
discharged
R after a malfunction
R if the tilt/sliding sunroof does not open
smoothly
! If the tilt/sliding sunroof cannot be closed
or synchronized, contact an authorized
Mercedes-Benz Center or call Roadside
Assistance.
X Vehicles with SmartKey: Switch off the
ignition

and remove the SmartKey from the
starter switch.
X Vehicles with KEYLESS-GO: Switch off the
ignition and open the driver’s door. This
puts the starter switch in position 0, same
as with the SmartKey removed from the
starter switch. The driver’s door then can
be closed again.
X Remove the fuse for the tilt/sliding sunroof
from the fuse box (Y page 340).
X Reinsert the fuse in the fuse box.
X Switch on the ignition.
X Press and hold the sunroof switch in
direction

of arrow : (Y page 182) until the
tilt/sliding sunroof is fully raised at the
rear.
X Keep holding the sunroof switch in
direction of arrow : for approximately
1 second.
X Check the express operation feature
(Y page 182).
If

the tilt/sliding sunroof opens and closes
completely, the roof is synchronized.
Otherwise repeat the above steps. Power tilt/sliding sunroof
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Panorama roof with power tilt/
sliding panel
Extending and retracting the roller
sunblinds
The roller sunblinds only operate with the tilt/
sliding panel closed. The front and rear roller
sunblind cannot be operated individually. G
Warning!
When extending the roller sunblinds, make
sure no one is in danger of being injured by
the extending procedure. The extending of the
roller sunblinds can be immediately halted by
releasing the switch. Roof panel switch
:
Retracting
; Retracting
= Extending
X Switch on the ignition.
X Retracting/Extending: Move the roof
panel switch to the resistance point in the
required direction of arrow :, ; or =
until the roller sunblinds have reached their
desired position.
X Express retracting: Push the roof panel
switch past the resistance point in
direction of arrow ; and release.
The roller sunblinds retract completely.
X Stopping during express retracting:
Move the roof panel switch in any direction. Opening and closing the panorama
roof with power tilt/sliding panel
G
Observe Safety notes, see page 55. G
Warning!
When opening or closing the tilt/sliding panel,
make sure there is no danger of anyone being
harmed by the opening/closing procedure.
The tilt/sliding panel is equipped with the
express operation and automatic reversal
function. If the movement of the tilt/sliding
panel is blocked during the closing procedure,
the tilt/sliding panel will stop and open
slightly.
The tilt/sliding panel operates differently
when the roof panel switch is pressed and
held. See the “Closing when the tilt/sliding
panel is blocked” section in this chapter for
details.
The opening/closing procedure of the tilt/
sliding panel can be immediately halted by
releasing the roof panel switch or, if the roof
panel switch was moved past the resistance
point and released, by moving the roof panel
switch in any direction. G
Warning!
The panorama roof with tilt/sliding panel is
made out of glass. In the event of an accident,
the glass may shatter. This may result in an
opening in the roof.
In a vehicle rollover, occupants not wearing
their seat belts or not wearing them properly
may be thrown out of the opening. Such an
opening also presents a potential for injury for
occupants wearing their seat belts properly as
entire body parts or portions of them may
protrude from the passenger compartment.
! To avoid damaging the seals, do not
transport any objects with sharp edges
which can stick out of the tilt/sliding panel.
Do not open the tilt/sliding panel if there is
snow or ice on the roof, as this could result
in malfunctions. 184
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!
Please keep in mind that weather
conditions can sometimes change rapidly.
Make sure to close the tilt/sliding panel
when leaving the vehicle. If water enters
the vehicle interior, vehicle electronics
could be damaged which is not covered by
the Mercedes-Benz Limited Warranty. Roof panel switch
:
Raising
; Opening
= Closing
The tilt/sliding panel only operates with the
roller sunblinds retracted.
i You can also open or close the tilt/sliding
panel using the SmartKey, see “Summer
opening feature” ( Y page 108) or see
“Convenience closing feature”
(Y page 108).
X Switch on the ignition.
Opening X
Opening manually: Press and hold the
roof panel switch to the resistance point in
direction of arrow ;.
X Release the roof panel switch when the
desired position is reached.
X Express operation: To open the tilt/
sliding panel completely, press the roof
panel switch past the resistance point in
direction of arrow ; and release.
X Stopping during express operation:
Move the roof panel switch in any direction. i
Express opening is not available when the
tilt/sliding panel is raised. The tilt/sliding
panel must be closed first.
i When the tilt/sliding panel is open,
resonance noises may result in addition to
the usual wind noises. They are caused by
minimal pressure changes in the passenger
compartment. To reduce or eliminate these
noises, change the position of the tilt/
sliding panel or open a window slightly.
Raising X
Raising manually: Press and hold the roof
panel switch in direction of arrow :.
X Release the roof panel switch when the
desired position is reached.
Closing X
Closing manually: Pull and hold the roof
panel switch in direction of arrow =.
X Release the roof panel switch when the
desired position is reached.
Closing when the tilt/sliding panel is
blocked G
Warning!
Make sure that nobody can become trapped
and be seriously or even fatally injured when
closing the tilt/sliding panel without
automatic reversal function.
If the movement of the tilt/sliding panel is
blocked during the closing procedure (e.g. by
ice or pollution), the tilt/sliding panel will stop
and open slightly.
X Immediately after the tilt/sliding panel has
stopped and opened because it was
blocked, pull and hold the roof panel switch
in direction of arrow = until the tilt/sliding
panel is fully closed. Panorama roof with power tilt/sliding panel
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If the tilt/sliding panel is blocked again and
opens slightly:
X
Immediately after the tilt/sliding panel was
blocked and has opened, pull and hold the
roof panel switch in direction of arrow =
until the tilt/sliding panel is fully closed.
The tilt sliding panel closes without
automatic reversal function. G
Warning!
Pulling and holding the roof panel switch to
close the tilt/sliding panel immediately after
it had been blocked two times will cause the
tilt/sliding
panel to close without any reversal
function for as long as you hold the roof panel
switch. Synchronizing
The tilt/sliding panel and roller sunblinds
must be synchronized
R after

the battery has been disconnected or
discharged
R after a malfunction
R if the tilt/sliding panel does not open
smoothly
! Do not attempt to open the tilt/sliding
panel before the tilt/sliding panel is
properly synchronized. The tilt/sliding
panel could otherwise lock-up in the open
position.
If the tilt/sliding panel cannot be closed or
synchronized, contact an authorized
Mercedes-Benz Center or call Roadside
Assistance.
X Vehicles with SmartKey: Remove the
SmartKey from the starter switch.
X Vehicles with KEYLESS-GO: Switch off the
ignition and open the driver’s door. This
puts the starter switch in position 0, same
as with the SmartKey removed from the starter switch. The driver’s door then can
be closed again.
X Remove the respective fuse from the fuse
box (Y page 340).
X Reinsert the fuse in the fuse box.
X Switch on the ignition.
X Push and hold the roof panel switch in
direction

of arrow = (Y page 185) until the
roller sunblinds are fully extended.
X Keep holding the roof panel switch in
direction of arrow = (Y page 185) for
approximately 1 second.
X Pull and hold the roof panel switch in
direction

of arrow ; (Y page 185) until the
roller sunblinds are fully retracted.
X Keep holding the roof panel switch in
direction of arrow ; (Y page 185) for
approximately 1 second.
X Push and hold the roof panel switch in
direction

of arrow = (Y page 185) until the
tilt/sliding panel is fully closed.
X Keep holding the roof panel switch in
direction of arrow = (Y page 185) for
approximately 1 second.
X Check the express operation feature of the
tilt/sliding panel ( Y page 184).
If the tilt/sliding panel opens completely,
the

roof is synchronized. Otherwise repeat
the above steps. Loading and storing
Loading instructions
G
Warning!
Always fasten items being carried as securely
as possible. Use cargo tie-down rings and
fastening

materials appropriate for the weight
and size of the load.
In an accident, during hard braking or sudden
maneuvers, loose items will be thrown around
inside the vehicle. This can cause injury to 186
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Cargo tie down rings, cargo compartment
Cargo tie down rings, second-row footwell
Cargo tie-down rings, third-row footwell
Hooks
Two hooks are located on the rear
compartment trim panels, one on each side.
Use the hooks to secure light-weight items
only. The maximum permissible weight per
hook is 9 lbs (4 kg). Expanding cargo volume
You can fold each seat of the rear passenger
compartment separately to expand the cargo
volume.
You can expand the cargo volume
R in part, i.e. folding third-row seats
(Y page 190)
R fully, i.e. folding second-row and third-row
seats (Y page 190) G
Warning!
When expanding the cargo volume, always
fully fold the corresponding seats and, if so
equipped, always use the cargo net when
transporting cargo.
Unless you are transporting cargo, the seat
backrests must remain properly locked in the
upright position.
In an accident, during hard braking or sudden
maneuvers, loose items will be thrown around
inside the vehicle. This can cause injury to
vehicle occupants unless the items are
securely fastened in the vehicle.
Always use the cargo tie-down rings. G
Warning!
Never drive a vehicle with the tailgate open.
Deadly carbon monoxide (CO) gases may
enter vehicle interior resulting in
unconsciousness and death. Loading and storing
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