display MERCEDES-BENZ R320 2008 W251 Owner's Guide

157 Controls in detail
Control system
Control system
The control system is activated as soon as
the SmartKey in the starter switch is
turned to position1 (
page 40) or as
soon as the KEYLESS-GO start/stop
button* is in position1 (
page 41). The
control system enables you to

call up information about your vehicle

change vehicle settings
For example, you can use the control
system to find out when your vehicle is
next due for maintenance service, to set
the language for messages in the instru-
ment cluster display, and much more.
The control system relays information to
the multifunction display.
Multifunction display
1Trip odometer
2Main odometer
3Transmission position indicator
4Current transmission program mode
5Status indicator (outside temperature
or digital speedometer)
For more information on menus displayed
in the multifunction display, see “Menus”
(
page 160).
Warning!G
A driver’s attention to the road and traffic
conditions must always be his/her primary
focus when driving.
For your safety and the safety of others,
selecting features through the multifunction
steering wheel should only be done by the
driver when traffic and road conditions
permit it to be done safely.
Bear in mind that at a speed of just
30 mph (approximately 50 km/h), your
vehicle is covering a distance of
44 feet (approximately 14 m) every second.

158 Controls in detail
Control system
Multifunction steering wheel
The displays in the multifunction display
and the settings in the control system are
controlled by the buttons on the multifunc-
tion steering wheel.1Multifunction display
Operating the control system
2Selecting the submenu or setting
the volume:
Press button
æup/to increase
çdown/to decrease
3Telephone*:
Press button
sto take a call
to dial
to redial
tto end a call
to reject an incoming call
4Moving within a menu:
Press button
jfor next display
kfor previous display
5Menu systems:
Press button
èfor next menu
ÿfor previous menu
6! Voice Control System* on1,
see separate operating
instructions
70 Voice Control System* off1,
see separate operating
instructions
1Vehicles without Voice Control System*: Button
without function.

159 Controls in detail
Control system
Depending on the selected menu, pressing
the buttons on the multifunction steering
wheel will alter what appears in the multi-
function display.
The information available in the multifunc-
tion display is arranged in menus, each
containing a number of functions or sub-
menus.
The individual functions are then found
within the relevant menu (radio or
CD operations under
AUDIO, for example).
These functions serve to call up relevant
information or to customize the settings
for your vehicle.It is helpful to think of the menus, and the
functions within each menu, as being ar-
ranged in a circular pattern.

If you press buttonè orÿ
repeatedly, you will pass through each
menu one after the other.

If you press buttonk orj
repeatedly, you will pass through each
function display, one after the other, in
the current menu.In the
Settings menu, instead of
functions, you will find a number of
submenus for calling up and changing
settings. For instructions on using these
submenus, see “Settings menu”
(
page 170).
The number of menus available in the
system depends on which optional equip-
ment is installed in your vehicle.
The menus are described on the following
pages.

161 Controls in detail
Control system
Menus, submenus and functions
Menu1Menu2Menu3Menu4Menu5
Standard displayAUDIONAV*AIRMATIC*/CompassDISTRONIC*
(page 164)(page 165)(page 167)(page 168)(page 262)
Commands/submenus
Trip- and main odometerSelecting radio stationRoute guidance
instructions, current
direction traveledAIRMATIC*Status and settings
Checking tire inflation
pressureSelecting satellite radio
station*Compass
Checking coolant
temperatureOperating CD player
Calling up digital
speedometer or outside
temperature
Calling up maintenance
service indicator
iThe headings used in the menus table are
designed to facilitate navigation within thesystem and are not necessarily identical to those
shown in the control system displays. The first function displayed in each menu will automati-
cally show you which part of the system you are
in.

163 Controls in detail
Control system
Menus, submenus and functions
Menu6Menu7Menu8Menu9Menua
Vehicle status message
memory1
1The vehicle status message memory menu is only displayed if there is a message stored.
SettingsDistance warning
function*Trip computerTelephone*
(page 169)(page 170)(page 185)(page 185)(page 187)
Commands/submenus
Calling up malfunction mes-
sages, warning messages,
and system status
messages stored in memoryResetting to factory settingsDistance warning
function* on/offFuel consumption statistics
since startLoading phone
book
Instrument cluster submenuFuel consumption statistics
since the last resetSearching for
name in phone
book
Time/Date submenuResetting fuel consumption
statistics
Lighting submenuDistance to empty
Vehicle submenu
Comfort submenu*
iThe headings used in the menus table are
designed to facilitate navigation within thesystem and are not necessarily identical to those
shown in the control system displays. The first function displayed in each menu will automati-
cally show you which part of the system you are
in.

164 Controls in detail
Control system
Standard display menu
In the standard display, the main odometer
and the trip odometer appear in the multi-
function display.
1Trip odometer
2Main odometer
If you see another display, press
buttonè orÿ repeatedly until
the standard display appears.
Press buttonkorj to select
the functions in the standard display
menu.The following functions are available:Checking coolant temperature
Press buttonk orj repeatedly
until the coolant temperature appears
in the multifunction display.
FunctionPage
Checking tire inflation pressure373
Checking coolant temperature164
Calling up digital speedometer or
outside temperature165
Calling up maintenance service
indicator402
Warning!G

Driving when your engine is overheated
can cause some fluids which may have
leaked into the engine compartment to
catch fire. You could be seriously
burned.

Steam from an overheated engine can
cause serious burns which can occur
just by opening the hood. Stay away
from the engine if you see or hear steam
coming from it.
Stop the vehicle in a safe location away from
other traffic. Turn off the engine, get out of
the vehicle and do not stand near the vehicle
until the engine has cooled down.

165 Controls in detail
Control system
Calling up digital speedometer or
outside temperature
Press buttonk orj repeatedly
until the digital speedometer or the
outside temperature appears in the
multifunction display.
Digital speedometer
Outside temperature
AUDIO menu
The functions in the
AUDIO menu operate
the audio equipment which you currently
have turned on.
If no audio equipment is currently turned
on, the message
AUDIO off appears in the
multifunction display.
The following functions are available:!Excessive coolant temperature triggers
a warning message in the multifunction
display (
page 448).
The engine should not be operated with a
coolant temperature above 248°F (120°C).
Doing so may cause serious engine damage
which is not covered by the Mercedes-Benz
Limited Warranty.
iDuring severe operating conditions, e.g.
stop-and-go city traffic, the coolant temperature
may rise close to 248°F (120°C).iYou can select whether the digital speed-
ometer or the outside temperature is to be
displayed.
You can change the setting in the submenu
Instrument Cluster via the function Status
Line Display
, see “Selecting display (digital
speedometer or outside temperature) for status
indicator” (
page 175).
FunctionPage
Selecting radio station166
Selecting satellite radio station*166
Operating CD player167

166 Controls in detail
Control system
Selecting radio station
Turn on the COMAND system and
select radio. Refer to separate
COMAND system operating instruc-
tions.
Press buttonè orÿ repeatedly
until the currently tuned station
appears in the multifunction display.
1Waveband setting or stored memory
position (
FM0 through FM9)
2Station frequency
Press buttonk orj repeatedly
until the desired station is found.
The station search depends on the
selected setting in the
Vehicle
submenu of the control system
(
page 182). Pressing buttonkorj will
either start a frequency scan or select
the next stored radio station.
Selecting satellite radio station*
The satellite radio is treated as a radio
application.
Select satellite radio with the
corresponding soft key on the
COMAND system.
1SAT mode or stored memory position
(
SAT0 through SAT9)
2Channel name or number
Press buttonk orj repeatedly
until the desired channel is found.
iYou can only store new stations using the
corresponding feature on the radio. Refer to
separate COMAND system operating
instructions. You can also operate the radio in
the usual manner.
iAdditional optional satellite radio equipment
and a subscription to satellite radio service
provider are required for satellite radio opera-
tion. Contact an authorized Mercedes-Benz
Light Truck Center for details and availability for
your vehicle.
For more information, refer to separate
COMAND system operating instructions.

167 Controls in detail
Control system
Operating the CD player
Selecting CD track
Turn on the COMAND system and
select CD. Refer to separate COMAND
system operating instructions.
Press buttonè orÿ repeatedly
until the settings for the CD currently
being played appear in the multifunc-
tion display.
1Current CD (for CD changer*)
2Current track
Press buttonk orj repeatedly
until the desired track is selected.Selecting MP3-CD track
Turn on the COMAND system and
select MP3. Refer to separate
COMAND system operating
instructions.
Press buttonè orÿ repeatedly
until the settings for the MP3-CD cur-
rently being played appear in the multi-
function display.
1MP3 mode
2Current track
Press buttonk orj repeatedly
until the desired track is selected.
NAV menu*
The
NAV menu contains the functions
needed to operate your navigation system.
Press buttonè orÿ repeatedly
until the message
NAV appears in the
multifunction display.
The message shown in the multifunction
display depends on the status of the navi-
gation system:

With the COMAND system switched
off, the message
NAV off appears in
the multifunction display.

With the COMAND system switched on
but route guidance not activated, the
direction of travel and, if applicable, the
name of the street currently traveled
on appear in the multifunction display.
iVehicles with CD changer*: To select a CD
from the magazine, press a number on the
COMAND system key pad located in the center
console.

168 Controls in detail
Control system

With the COMAND system switched on
and route guidance activated, the
direction of travel and maneuver in-
structions appear in the multifunction
display.
Please refer to the COMAND system
manual for instructions on how to activate
the route guidance system.AIRMATIC*/Compass menu
The
AIRMATIC/Compass menu displays the
AIRMATIC* messages and the direction
into which you are currently driving.
Press buttonè orÿ repeatedly
until the
AIRMATIC/Compass menu
appears in the multifunction display.
For information on AIRMATIC*, see
“AIRMATIC*” (
page 276).
For information on the compass, see
“Vehicle submenu” (
page 180) and
“Compass” (
page 334).
Distronic* menu
Use the
DISTRONIC menu (page 267) to
display the current settings for your
Distronic system. The information shown
in the multifunction display depends on
whether the Distronic system is activated
or deactivated.
Please refer to the “Driving systems”
section of this manual (
page 262) for
instructions on how to activate Distronic.
Press buttonè orÿ repeatedly
to select the Distronic menu in the
multifunction display.