2008 MERCEDES-BENZ R320 Sunroof

Contents
Power tilt/sliding sunroof* ................ 248
Opening and closing ..................... 248
Synchronizing ............................... 250
Panorama roof with power
tilt/sliding panel* .............................. 252
Roller sunblinds for the
panorama roof with power
tilt/sliding panel........................... 252
Opening and closing the
panorama roof with power
tilt/sliding panel........................... 253
Synchronizing the panorama
roof with power tilt/sliding panel . 255
Driving systems ................................. 257
Cruise control............................... 257
Distronic* (Canada only) .............. 262
Distance warning function*
(Canada only) ............................... 275
AIRMATIC* ................................... 276
Permanent four-wheel drive
(4MATIC)* .................................... 281
Parktronic* (Parking assist) ......... 281
Rear view camera* ....................... 285Loading .............................................. 288
Roof rack*.................................... 288
Loading instructions..................... 289
Cargo tie-down rings .................... 290
Hooks........................................... 291
Expanding cargo compartment .... 292
Cargo compartment cover blind... 299
Cargo net* ................................... 301
Useful features .................................. 304
Storage compartments ................ 304
Parcel nets ................................... 307
Cup holders.................................. 308
Ashtrays ....................................... 311
Cigarette lighter ........................... 313
Power outlets ............................... 314
Rear center console* ................... 315
Heated steering wheel* ............... 318
Telephone* .................................. 319
Tele Aid* ...................................... 322
Garage door opener ..................... 329
Compass ...................................... 334
Floormats ..................................... 335
Infrared reflecting windshield* ..... 336
Operation......................................... 337
The first 1 000 miles (1 500 km) ........ 338
Driving instructions ........................... 339
Drive sensibly – save fuel............. 339
Drinking and driving ..................... 339
Pedals .......................................... 339
Power assistance ......................... 340
Brakes.......................................... 340
Driving off .................................... 342
Parking......................................... 343
Tires ............................................. 343
Hydroplaning................................ 344
Tire traction ................................. 344
Tire speed rating .......................... 345
Winter driving instructions ........... 346
Standing water............................. 347
Passenger compartment .............. 347
Driving abroad ............................. 348
Control and operation of radio
transmitters ................................. 348
Catalytic converter
(gasoline engine).......................... 349

23 At a glance
Exterior view
ItemPage
1Tailgate119
Power tailgate*119
Cargo compartment

Loading instructions

Cargo tie-down rings

Hooks

Expanding

Cover blind

Cargo net*
289
290
291
292
299
301
Vehicle tool kit467
Spare wheel471
2Rear window defroster207
3Rear lamps481
4Fuel filler flap352
Refueling352
Fuel353,
540
ItemPage
5Exterior rear view mirrors
Adjusting48
Auto-dimming rear view
mirrors*203
Power folding*204
6Towing eye bolt467
Installing towing eye bolt515
7Tires and wheels363,
529
Checking tire inflation
pressure373
General information363
Flat tire492
Spare wheel471
8Hood
Opening356
Engine oil358
Coolant360
ItemPage
9Windshield wipers59
Wiper blades, replacing489
Wiper blades, cleaning409
aWindshield
Cleaning with wiper fluid61
Cleaning409
bPower tilt/sliding sunroof*248
Panorama roof with power
tilt/sliding panel*252
cDoors
Locking and unlocking110
Opening and closing118
Locking/unlocking in an
emergency474
dFront lamps480
eHeadlamp cleaning system*203

33 At a glance
Overhead control panel
Overhead control panel
ItemPage
1Left reading lamp on/off150
2Automatic interior lighting150
3Rear interior lighting on/off150
4Front interior lighting on/off150
5Right reading lamp on/off150
6Front right interior lamp150
7Power tilt/sliding sunroof*
switch
Power tilt/sliding panel*
switch248
252
8Tele Aid* (emergency call
system) button324
9Vehicles without
telephone* installed:
Hands-free microphone for
Tele Aid* (emergency call
system)322
ItemPage
aInterior rear view mirror203
bReading lamps150
cGarage door opener329
dVehicles with telephone*
installed:
Hands-free microphone for
Tele Aid* (emergency call
system) and telephone*322
eFront left interior lamp150

109 Controls in detail
Locking and unlocking
Seats
Memory function*
Lighting
Instrument cluster
Control system
Automatic transmission
Good visibility
Climate control
3-zone automatic climate control*
Power windows
Power tilt/sliding sunroof*
Panorama roof with power tilt/slid-
ing panel*
Driving systems
Loading
Useful features

111 Controls in detail
Locking and unlocking
Warning!G
When leaving the vehicle, always remove the
SmartKey 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. It is possible
for children to open a locked door from the
inside, which could result in an accident
and/or serious personal injury.
!To prevent possible malfunction, avoid ex-
posing the SmartKey to high levels of electro-
magnetic radiation.
iUSA only:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the following
two conditions:
(1) This device may not cause harmful
interference, and
(2) this device must accept any interference
received, including interference that may
cause undesired operation.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
iCanada only:
This device complies with RSS-210 of Industry
Canada. Operation is subject to the following
two conditions:
(1) This device may not cause interference, and
(2) this device must accept any interference
received, including interference that may
cause undesired operation of the device.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
iYou can also open and close

the door windows

the hinged quarter windows*

the tilt/sliding sunroof*

the tilt/sliding panel*
using the SmartKey, see “Summer opening
feature” (
page 244) and “Convenience clos-
ing feature” (
page 245).
!If you cannot lock or unlock the vehicle with
the SmartKey, the batteries in the SmartKey are
discharged, the SmartKey is malfunctioning, or
the vehicle battery is drained.

Check the batteries in the SmartKey and
replace them if necessary (
page 479).

Use the mechanical key to unlock the
driver’s door (
page 474).

Lock the vehicle as described in the
“Practical hints” section (
page 475).

Have the vehicle battery and the vehicle
battery connections checked (
page 503).
If the SmartKey is malfunctioning, contact
Roadside Assistance or an authorized
Mercedes-Benz Light Truck Center.

114 Controls in detail
Locking and unlocking
Warning!G
When leaving the vehicle, always take the
SmartKey with KEYLESS-GO* with you and
lock the vehicle. Do not leave children unat-
tended 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 prevent possible malfunction, avoid
exposing the SmartKey with KEYLESS-GO to high
levels of electromagnetic radiation.
iUSA only:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the following
two conditions:
(1) This device may not cause harmful interfer-
ence, and
(2) this device must accept any interference
received, including interference that may
cause undesired operation.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
iCanada only:
This device complies with RSS-210 of Industry
Canada. Operation is subject to the following
two conditions:
(1) This device may not cause interference, and
(2) this device must accept any interference
received, including interference that may
cause undesired operation of the device.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
iYou can also open and close

the door windows

the hinged quarter windows*

the tilt/sliding sunroof*

the tilt/sliding panel*
using the SmartKey with KEYLESS-GO, see
“Summer opening feature” (
page 244) and
“Convenience closing feature” (
page 245).
!If you cannot lock or unlock the vehicle with
the SmartKey with KEYLESS-GO, the batteries in
the SmartKey with KEYLESS-GO are discharged,
the SmartKey with KEYLESS-GO is malfunction-
ing, or the vehicle battery is drained.

Check the batteries in the SmartKey with
KEYLESS-GO (
page 118) and replace
them if necessary (
page 479).

Use the mechanical key to unlock the
drivers’ door (
page 474).

Lock the vehicle as described in the
“Practical hints” section (
page 475).

Have the vehicle battery and the vehicle bat-
tery connections checked (
page 503).
If the SmartKey with KEYLESS-GO is malfunc-
tioning, contact Roadside Assistance or an
authorized Mercedes-Benz Light Truck Center.

217 Controls in detail
Climate control
Activating
Press button: (page 210).
The indicator lamp on the button
comes on.DeactivatingPress button:.
The indicator lamp on the button goes
out.Air recirculation mode with
convenience closing and opening
feature
iThe air recirculation mode is activated auto-
matically at high outside temperatures.
The indicator lamp on button: is not lit when
the air recirculation mode is switched on auto-
matically.
A quantity of outside air is added after approxi-
mately 30 minutes.
If you have turned off the air conditioning
(
page 219) or the outside temperature is
below 41°F (5°C), the air recirculation mode will
not switch on automatically.
iTo cool the interior as fast as possible, the
climate control automatically switches to air
recirculation. The indicator lamp on button:
is not lit when the air recirculation mode has
been switched on automatically.
iThe air recirculation mode is deactivated
automatically

after 5 minutes if the outside temperature is
below approximately 41°F (5°C)

after 5 minutes if the air conditioning and
air-drying are turned off

after 30 minutes if the outside temperature
is above approximately 41°F (5°C)
Warning!G
Never operate the windows and tilt/sliding
sunroof* or tilt/sliding panel* if there is the
possibility of anyone being harmed by the
opening or closing procedure.
In case the procedure causes potential dan-
ger:
Vehicles with or without tilt/sliding sun-
roof*: The closing of the windows can be im-
mediately halted by pressing or pulling the
respective window switch. The closing of the
tilt/sliding sunroof* can be immediately
halted by moving the switch for the
tilt/sliding sunroof* in any direction.
The closing of the windows and the
tilt/sliding sunroof* can be reversed by
again pressing and holding the: button.


218 Controls in detail
Climate control
Vehicles with tilt/sliding sunroof*
Convenience closing:
Press button: for approximately
2 seconds.
The windows and/or tilt/sliding sun-
roof will close. You can release
button: once the closing proce-
dure has begun. The windows and
tilt/sliding sunroof continue closing
until they are fully closed. The indicator
lamp on the button comes on. The air
recirculation mode is activated.Convenience opening:
Press button: for approximately
2 seconds.
The windows and/or tilt/sliding sun-
roof will return to their previous posi-
tions. You can release button:
once the opening procedure has
begun. The windows and tilt/sliding
sunroof continue opening until they
have reached their previous positions.
The indicator lamp on the button goes
out. The air recirculation mode is
deactivated.Vehicles with panorama roof*
Convenience closing:
Press and hold button: until the
windows and the tilt/sliding panel are
closed or have reached the desired
position. The indicator lamp on the
button comes on. The air recirculation
mode is activated.
Convenience opening:
Press and hold button: until the
windows and the tilt/sliding panel are
opened or have reached the desired
position. The indicator lamp on the
button goes out. The air recirculation
mode is deactivated.
Vehicles with panorama roof*: The closing
of the windows and tilt/sliding panel* can
be immediately halted by releasing
the:button.
iA window, the tilt/sliding sunroof*, or the
tilt/sliding panel* will only return to its previous
position if it has not been moved to another
position using the respective window switch or
tilt/sliding sunroof* (or tilt/sliding panel*)
switch after it was closed with button:.