2008 MERCEDES-BENZ R320 key

247 Controls in detail
Power windows
Vehicles with KEYLESS-GO*:
Press and hold the lock button on an
outside door handle (
page 68) until
the windows and the roller sunblinds
are completely closed.
Release the lock button on the outside
door handle to interrupt the closing
procedure.
If tilt/sliding panel is open:
Aim transmitter eye of the SmartKey or
SmartKey with KEYLESS-GO* at the
driver’s outside door handle
(
page 244).
The SmartKey or SmartKey with
KEYLESS-GO* must be in close
proximity to the driver’s door handle.
Press and hold button‹on the
SmartKey or SmartKey with
KEYLESS-GO* until the windows and
the tilt/sliding panel* are completely
closed.
Release button‹on the SmartKey
or SmartKey with KEYLESS-GO* to
interrupt the closing procedure.
With the windows and the tilt/sliding
panel completely closed, press and
hold button‹on the SmartKey or
SmartKey with KEYLESS-GO* once
more.
The roller sunblinds close.
Vehicles with KEYLESS-GO*:
Press and hold the lock button on an
outside door handle (
page 68) until
the windows and the tilt/sliding panel*
are completely closed.
Release the lock button on the outside
door handle to interrupt the closing
procedure.
With the windows and the tilt/sliding
panel completely closed, press and
hold the lock button on an outside door
handle (
page 68) once more.
The roller sunblinds close.

248 Controls in detail
Power tilt/sliding sunroof*
Opening and closing
Warning!G
When closing the tilt/sliding sunroof, make
sure that there is no danger of anyone being
harmed by the closing procedure.
If the tilt/sliding sunroof encounters an
obstruction that blocks its path in a circum-
stance where you are closing the tilt/sliding
sunroof by moving the tilt/sliding sunroof
switch past the resistance point, or by
pressing and holding button‹on the
SmartKey, by pressing and holding the lock
button (vehicles with KEYLESS-GO*) on the
door handle, the automatic reversal function
will not operate.
The opening/closing procedure of the
tilt/sliding sunroof can be immediately
halted by releasing the switch or, if the
switch was moved past the resistance point
and released, by moving the switch in any
direction.
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 prop-
erly as entire body parts or portions of them
may protrude from the passenger compart-
ment.
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock your vehicle. Do not leave children
unattended in the vehicle, or with access to
an unlocked vehicle. A child’s unsupervised
access to a vehicle could result in an
accident and/or serious personal injury.!To avoid damaging the seals, do not trans-
port 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.
!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.
iWhen the tilt/sliding sunroof is open,
resonance noises may result in addition to the
usual wind noises. They are caused by minimal
pressure changes in the passenger compart-
ment. To reduce or eliminate theses noises,
change the position of the tilt/sliding sunroof or
open a door window slightly.

249 Controls in detail
Power tilt/sliding sunroof*
The tilt/sliding sunroof is opened and
closed electrically. The switch for the
tilt/sliding sunroof is located on the
overhead control panel.
Sunroof switch
1Push back to slide sunroof open
2Push forward to slide sunroof closed
3Push up to raise sunroof at rear
4Pull down to lower sunroof at rear
With the sunroof closed or tilted open, a
screen can be slid into the roof opening to
guard against sun rays. When sliding the
sunroof open, the screen will also retract.
Switch on the ignition (page 39).
Opening and closing
To open, close, raise, or lower the
tilt/sliding sunroof, move the sunroof
switch to the resistance point in the
required direction of arrows1to4
(
page 249).
Release the sunroof switch when the
tilt/sliding sunroof has reached the
desired position.
iYou can also open or close the tilt/sliding
sunroof using the SmartKey or the
KEYLESS-GO* function, see “Summer opening
feature” (
page 244) and “Convenience clos-
ing feature” (
page 245). Depending on the
current position, the tilt/sliding sunroofs may
also open or close when the air recirculation
button: on the control panel of the climate
control (
page 210) or automatic climate
control* (
page 224) is pressed and held.

250 Controls in detail
Power tilt/sliding sunroof*
Fully opening (Express-open) and
closing (Express-close)
To fully open or close the tilt/sliding
sunroof, move the sunroof switch past
the resistance point in the required
direction1or2 (
page 249) and
release.
The tilt/sliding sunroof opens or closes
completely.
Stopping the power tilt/sliding sunroof
during Express-open
Move the sunroof switch in any
direction.
The movement of the tilt/sliding
sunroof stops.
Synchronizing
The tilt/sliding sunroof must be
synchronized

after the battery has been
disconnected or discharged

after a malfunction

if the tilt/sliding sunroof does not open
smoothly
iIf the movement of the tilt/sliding sunroof is
blocked during the closing procedure, the
tilt/sliding sunroof will stop and reopen slightly.
Warning!G
If the tilt/sliding sunroof encounters an
obstruction that blocks its path in a circum-
stance where you are closing the tilt/sliding
sunroof by moving the tilt/sliding sunroof
switch past the resistance point, or by
pressing and holding button‹on the
SmartKey, by pressing and holding the lock
button (vehicles with KEYLESS-GO*) on the
door handle, the automatic reversal function
will not operate.
The opening/closing procedure of the
tilt/sliding sunroof can be immediately
halted by releasing the switch or, if the
switch was moved past the resistance point
and released, by moving the switch in any
direction.
!If the tilt/sliding sunroof cannot be closed
or synchronized, contact an authorized
Mercedes-Benz Light Truck Center or call
Roadside Assistance (
page 325).

251 Controls in detail
Power tilt/sliding sunroof*
Switch off the ignition (page 40) and
remove the SmartKey from the starter
switch.
Vehicles with KEYLESS-GO*:
Switch off the ignition (page 41).
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.
Remove the fuse for the tilt/sliding
sunroof from the fuse box
(
page 518).
Reinsert the fuse in the fuse box.
Switch on the ignition (page 39).
Press and hold the sunroof switch in
direction of arrow3 (
page 249) un-
til the tilt/sliding sunroof is fully raised
at the rear.
Hold the sunroof switch in direction of
arrow3 for approximately 1 second.
Open the tilt/sliding sunroof using the
Express-open feature (
page 250).
If the tilt/sliding sunroof opens com-
pletely, it is synchronized.
If the tilt/sliding sunroof does not open
completely:
Repeat the above steps.
iFor information on which fuse box contains
the fuse for the power tilt/sliding sunroof, see
the fuse chart provided with the vehicle tool kit
(
page 469).

253 Controls in detail
Panorama roof with power tilt/sliding panel*
Opening and closing the panorama roof
with power tilt/sliding panel
Switch on the ignition (page 39).
Warning!G
When opening or closing the tilt/sliding
panel, make sure that there is no danger of
anyone being harmed by the opening or
closing procedure.
The opening procedure of the tilt/sliding
panel can be immediately halted by releas-
ing the switch or, if the switch was moved
past the resistance point and released, by
moving the switch in any direction.
The closing procedure of the tilt/sliding
panel can be immediately halted by releas-
ing the switch.
The panorama roof with power 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.
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.
A child’s unsupervised access to a vehicle
could result in an accident and/or serious
personal injury.
!To avoid damaging the seals, do not trans-
port 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.
!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.
iWhen 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 compart-
ment. To reduce or eliminate theses noises,
change the position of the tilt/sliding panel or
open a door window slightly.
iYou can also open or close the tilt/sliding
panel using the SmartKey or the KEYLESS-GO*
function, see “Summer opening feature”
(
page 244) and “Convenience closing
feature” (
page 245).
iThe tilt/sliding panel may also open when
using the air recirculation button: on the
control panel of the climate control
(
page 210) or automatic climate control*
(
page 224).

255 Controls in detail
Panorama roof with power tilt/sliding panel*
Fully opening (Express-open) the
panorama roof with tilt/sliding panel
Pull the roof panel switch past the
resistance point in direction of
arrow1 (
page 254) and release.
The tilt/sliding panel opens com-
pletely.
Stopping the panorama roof with
tilt/sliding panel during Express-open
Move the roof panel switch in any
direction.
The tilt/sliding panel will stop in its
current position.Synchronizing the panorama roof with
power tilt/sliding panel
The tilt/sliding panel and its roller
sunblinds must be synchronized

after the battery has been
disconnected or discharged

after a malfunction

if the tilt/sliding panel does not open
smoothly
Switch off the ignition (page 40) and
remove the SmartKey from the starter
switch.
Vehicles with KEYLESS-GO*:
Switch off the ignition (page 41).
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.
Remove the fuse for the tilt/sliding
panel from the fuse box (
page 518).
!Do not attempt to open or close 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 Light Truck Center or call
Roadside Assistance (
page 325).
iFor information on which fuse box contains
the fuse for the power tilt/sliding panel, see the
fuse chart provided with the vehicle tool kit
(
page 469).

278 Controls in detail
Driving systems
Basic settings
There are two settings from which to
choose:

Raised level, for driving on rough roads

Highway level, for driving on paved
roads in fair or better conditionThe vehicle’s ride height changes by the
approximate values given in table below
according to the set level:
The vehicle lowers to highspeed level
automatically when

the vehicles speed exceeds
70 mph (112 km/h)

the vehicles speed is between
60 mph (96 km/h) and
70 mph (112 km/h) for longer
than 20 seconds
Warning!G
Make sure that no one is near the wheel
housing or under the vehicle when you lower
the vehicle while it is standing still. Limbs
could become wedged into or under the
vehicle.
For safety reasons, the vehicle can only be
lowered with all doors and the tailgate
closed. Lowering is interrupted if a door or
the tailgate is opened and will continue after
the door is closed again.
Warning!G
Adapt your speed and driving to possible
changed driving behavior of the vehicle after
changing the vehicle level. The ESP
® cannot
prevent accidents, including those resulting
from excessive speed. The ESP
® cannot
prevent the natural laws of physics from
acting on the vehicle.
!Keep in mind that in rough or uneven roads,
adjusting the vehicle to a lower level may cause
the vehicle underbody to come in contact with
the road and result in damage to the vehicle un-
derbody. Always make sure the vehicle has suffi-
cient ground clearance before adjusting it to a
lower level.
!Before jacking up the vehicle with equip-
ment that lifts one or more of the wheels com-
pletely off the ground, remove the SmartKey
from the starter switch.
!Please also note the information in the
section on towing (
page 513).
iThe activation threshold is defined by the set
suspension tuning (
page 276).
iThe third available level is the highspeed
level that is set automatically.
LevelRide height
Raised+ 1.97 in (+ 50 mm)
Highway+/- 0
Highspeed- 0.78 in (- 20 mm)
iObey local speed limits. Use prudent driving
speeds appropriate to prevailing conditions.