2008 MERCEDES-BENZ R320 clock

27 At a glance
Instrument cluster
ItemPage
1LLeft turn signal
indicator lamp
2To dim instrument cluster
illumination154
3Reset button for:

Resetting trip odometer

Resetting all settings
155
171
4To brighten instrument
cluster illumination154
5KRight turn signal
indicator lamp
6Clock176
ItemPage
7Speedometer with:
-Antilock Brake
System (ABS)
indicator lamp414
’Variable speed limiter
indicator lamp1
lDistance warning
lamp2262,
414
1Lamp without function. It illuminates when the
ignition is on. It should go out when the engine is
running.
2Vehicles without Distronic*: Warning lamp without
function. It illuminates when the ignition is on.
It should go out when the engine is running.
ItemPage
;Brake warning lamp,
USA only415
3Brake warning lamp,
Canada only415
vElectronic Stability
Program (ESP®)
warning lamp
419
HCombination low tire
pressure/TPMS
malfunction telltale,
USA only422
Low tire pressure
telltale*, Canada only422

176 Controls in detail
Control system
Time/Date submenu
Access the
Time/Date submenu via the
Settings menu. Use the Time/Date
submenu to change the time and date
settings.
The following functions are available:Setting the time
This function is not available if your vehicle
is equipped with the COMAND system and
navigation module*.
Move the selection marker with
buttonæ orçto the
Time/Date
submenu.
Press buttonj ork repeatedly
until the message
Clock Set Hour or
Clock Set Minute(s) appears in the
multifunction display.
Example illustration for setting the hour
Press buttonæ orç to set the
time.Setting the date
This function is not available if your vehicle
is equipped with the COMAND system and
navigation module*.
Move the selection marker with
buttonæ orç to the
Time/Date
submenu.
Press buttonj ork repeatedly
until the message
Date Set Month,
Date Set Day, or Date Set Year
appears in the multifunction display.
Example illustration for setting the month
Press buttonæ orç to set the
date.
FunctionPage
Setting the time176
Setting the date176
iIf your vehicle is equipped with the
COMAND system and navigation module*, see
separate COMAND operating instructions for
information on how to set the date and time.

213 Controls in detail
Climate control
Deactivating
Press button
orQ
(
page 210).
The indicator lamp on buttonU
goes out. The automatic operation of
air volume switches off. The selected
blower speed is shown in the air
volume displayb (
page 210).
or
Press air distribution button 5,9,
ora (
page 210).
The indicator lamp on buttonU
goes out. The automatic operation of
air distribution switches off.
Setting the temperature
Use temperature controls1 and7
(
page 210) to separately adjust the air
temperature on each side of the passenger
compartment. You should raise or lower
the temperature setting in small incre-
ments, preferably starting at 72°F (22°C).
The climate control will adjust to the set
temperature as fast as possible.
Increasing
Turn temperature control1and/or
7 (
page 210) slightly clockwise.
The climate control system will corre-
spondingly adjust the interior air
temperature.
Decreasing
Turn temperature control1 and/or
7 (
page 210) slightly counterclock-
wise.
The climate control system will corre-
spondingly adjust the interior air
temperature.
Adjusting air distribution
Press air distribution button5,9, ora
(
page 210) to adjust the air distribution.
The following symbols are found on the
buttons:
Press the desired air distribution
button5,9, ora (
page 210).
The indicator lamp on buttonU
goes out.
SymbolFunction
aDirects air through the center
and side air vents
ZDirects air to the windshield
and side air vents
YDirects air to the footwells and
side air vents

227 Controls in detail
3-zone automatic climate control*
Operating the automatic climate
control system in automatic mode
You can switch the automatic climate
control system on and off separately for
each zone as needed.
Activating
Press buttonU (page 224) while
the engine is running.
The indicator lamp on the button
comes on. Air volume and air distribu-
tion are controlled separately for each
zone.
Use temperature controls1 and9
(
page 224) to separately adjust the
air temperature on each side of the
passenger compartment.
The temperature of the interior is
adjusted automatically.
Deactivating
Press one button of the air distribution
(
page 224) or press button

orQ (
page 224).
The indicator lamp on the buttonU
goes out.
Depending on which button you press –
the air distribution button or the air vol-
ume button
or Q – automatic
control of either the air distribution or
air volume is switched off.
Setting the temperature
Use temperature controls1 and9
(
page 224) to separately adjust the air
temperature on each side of the passenger
compartment. You should raise or lower
the temperature setting in small incre-
ments, preferably starting at 72°F (22°C).
The automatic climate control will adjust
to the set temperature as fast as possible.
Increasing
Turn temperature control
1and/or9 slightly clockwise.
The automatic climate control system
will correspondingly adjust the interior
air temperature.
Decreasing
Turn temperature control
1and/or9 slightly counterclock-
wise.
The automatic climate control system
will correspondingly adjust the interior
air temperature.
iWhen operating the automatic climate con-
trol system in automatic mode, you will only
rarely need to adjust the temperature, air volume
and air distribution.
In automatic mode, cooling with dehumidify is
switched on. This function can be switched off if
necessary.

238 Controls in detail
3-zone automatic climate control*
Adjusting air distribution
Use the air distribution controls3 or5
to adjust the air distribution for the rear
passenger compartment.
The symbols on the controls represent the
following functions:
Adjusting manually
Press the desired air distribution con-
trol.
The indicator lamp on button U
goes out.Adjusting automatically
Press buttonU.
The indicator lamp on the button
comes on. The air distribution is ad-
justed automatically.
Setting the temperature
Use temperature controla (
page 236)
to separately adjust the air temperature of
the rear passenger compartment.
You should raise or lower the temperature
setting in small increments, preferably
starting at 72°F (22°C). The automatic
climate control will adjust to the set
temperature as fast as possible.Increasing the temperature
Turn temperature controla
(
page 236) slightly clockwise.
The rear automatic climate control will
correspondingly adjust the interior air
temperature for the rear passenger
compartment.
Decreasing the temperature
Turn temperature controla
(
page 236) slightly counterclock-
wise.
The rear automatic climate control will
correspondingly adjust the interior air
temperature for the rear passenger
compartment.
SymbolFunction
ZDirects air to the center air
vents
YDirects air to the footwells and
the side air vents
iThe rear automatic climate control will not
cool the air when the air conditioning is switched
off (
page 234).

322 Controls in detail
Useful features
Tele Aid*
Shortly after the completion of your Tele
Aid acquaintance call, you will receive a
user ID and password. By visiting
www.mbusa.com and selecting “Tele Aid”
(USA only), you will have access to account
information, remote door unlock and
more.The Tele Aid system
(Tele
matic Alarm Identification on
D
emand)
The Tele Aid system consists of three
types of response:

automatic and manual emergency

roadside assistance

information
The Tele Aid system is operational provid-
ing that the vehicle’s battery is charged,
properly connected, not damaged and cel-
lular and GPS coverage are available.
The speaker volume of a Tele Aid call can
be adjusted by using the volume control on
the COMAND system headunit or on the
multifunction steering wheel. To raise, turn
the rotary volume control on the COMAND
system headunit clockwise or press
buttonæ on the multifunction steering
wheel. To lower, turn the rotary volume
control on the COMAND system headunit
counterclockwise or press buttonç on
the multifunction steering wheel.
To activate, press the SOS button, the
Roadside Assistance button• or
the Information button¡, depend-
ing on the type of response required.
!The initial activation of the Tele Aid system
may only be performed by completing the sub-
scriber agreement and placing an acquaintance
call using the ¡button. Failure to complete
either of these steps will result in a system that
is not activated.
If you have any questions regarding activation,
please call the Response Center at
1-800-756-9018 (in the USA) or
1-888-923-8367 (in Canada).
iThe SOS button is located in the overhead
control panel (
page 324).
The Roadside Assistance button•
(
page 325) and the Information
button¡(
page 326) are located below
the center armrest cover.
!The Tele Aid system utilizes the cellular
network for communication and the GPS (G
lobal
P
ositioning System) satellites for vehicle
location. If either of these signals are unavail-
able, the Tele Aid system may not function and if
this occurs, assistance must be summoned by
other means.

353 Operation
At the gas station
Briefly push on fuel filler flap at the
position indicated the arrow.
The fuel filler flap opens slightly.
Open the fuel filler flap completely.
Turn the fuel cap to the counterclock-
wise and hold on to it until possible
pressure is released.
Take off the fuel cap.
To prevent fuel vapors from escaping
into open air, fully insert filler nozzle
unit.
Only fill your tank until the filler nozzle
unit cuts out – do not top off or overfill.
Replace the fuel cap by turning it clock-
wise until it audibly engages.
Close the fuel filler flap.
You should hear the latch close shut.
!The fuel filler cap is tethered to the fuel filler
neck. Do not drop the cap. It could damage the
vehicle paint finish.
Warning!G
Overfilling of the fuel tank may create pres-
sure in the system which could cause a gas
discharge. This could cause the gas to spray
back out when removing the fuel pump
nozzle, which could cause personal injury.
iLeaving the engine running and the fuel cap
open can cause the yellow fuel tank reserve
warning lamp to flash and the? malfunction
indicator lamp (USA only) or the± malfunc-
tion indicator lamp (Canada only) comes on.
For more information, see “Practical hints”
(
page 418).
iGasoline engine:
Only use premium unleaded gasoline with a min-
imum Posted Octane Rating of 91 (average of
96 RON/86 MON). Information on gasoline
quality can normally be found on the fuel pump.
Please contact gas station personnel in case
labels on the pump cannot be found.
For more information on gasoline, see “Premium
unleaded gasoline (gasoline engine)”
(
page 539), see “Fuel requirements”
(
page 540), and the Factory Approved Service
Products pamphlet (USA only) or contact an
authorized Mercedes-Benz Light Truck Center.
iDiesel engine:
Only use commercially available vehicular
ULTRA-LOW SULFUR HIGHWAY DIESEL FUEL
(15 ppm SULFUR MAXIMUM). Information on
diesel quality can normally be found on the fuel
pump. Please contact gas station personnel in
case labels on the pump cannot be found.
For more information on diesel fuels, refer to the
Factory Approved Service Products pamphlet
(USA only) or contact an authorized
Mercedes-Benz Light Truck Center.


361 Operation
Engine compartment
The coolant expansion tank is located on
the passenger side of the engine compart-
ment.
1Cap
2Coolant expansion tank
3Indicator wall
4Coolant level
Using a rag, turn cap 1 slowly approx-
imately one half turn counterclockwise
to release any excess pressure.
Continue turning cap 1 counterclock-
wise and remove it.
Coolant level 4 is correct if the level:

for cold coolant: reaches the top of
indicator wall 3 visible through the
filling opening

for warm coolant: is approximately
0.6 in (1.5 cm) higher
Add coolant as required.
Replace and tighten cap 1.
For more information on coolant, see
“Coolants” (
page 541).
hot fluid and steam will be blown out un-
der pressure.

Do not spill antifreeze on hot engine
parts. Antifreeze contains ethylene
glycol which may burn if it comes into
contact with hot engine parts.