2008 MERCEDES-BENZ R320 steering wheel

148 Controls in detail
Lighting
Push the combination switch in
direction of arrow1 to switch on the
high beam.
The high beam headlamp indicator
lampAin the instrument cluster
comes on (
page 29).
Pull the combination switch in direction
of arrow2 to its original position to
switch off the high beam.
The high beam headlamp indicator
lampAin the instrument cluster
goes out.
High beam flasher
Pull the combination switch briefly in
direction of arrow2.
Corner-illuminating front fog lamps*
The corner-illuminating front fog lamps
improve illumination of the area in the
direction into which you are turning.
The corner-illuminating front fog lamps will
operate with the engine running and with

the exterior lamp switch in
positionB (
page 143)
or

the exterior lamp switch in
positionU (
page 143)
or

the daytime running lamp mode
activated (
page 145)Driving forward
Switching on corner-illuminating front
fog lamps
Switch on the left or right turn signal
(
page 59), depending on whether
you are turning left or right.
The respective front fog lamp comes on
and illuminates the area in the
direction into which you are turning.
or
Turn steering wheel in desired direc-
tion.
The front fog lamp on the side of your
steering direction comes on.
iThe corner-illuminating front fog lamps will
only come on in low ambient lighting conditions.
iIf you are driving faster than
25 mph (40 km/h) or have the front fog lamps
switched on, the corner-illuminating function is
not available.
iIf you have switched on the turn signal for
one side but turn the steering wheel in the
opposite direction, the corner-illuminating front
fog lamp comes on for the side indicated by the
turn signal.
The corner-illuminating front fog lamp remains lit
for a maximum of three minutes. Afterwards, it
goes out even if the turn signal is still switched
on.


149 Controls in detail
Lighting
Switching off corner-illuminating front
fog lamps
The combination switch for the turn signal
resets automatically after major steering
wheel movements. This will switch off the
corner-illuminating front fog lamps if they
were activated by switching on the left or
right turn signal.
If the turn signal should stay on after
making the turn, the turn signal and
corner-illuminating front fog lamps can be
switched off by returning the combination
switch to its original position.Driving in reverse
Switching on corner-illuminating front
fog lamps
Shift the automatic transmission to
reverse gearR (
page 192).
The front fog lamp opposite to your
steering direction comes on.
Switching off corner-illuminating front
fog lamps
Shift the automatic transmission
to a gear other than reverse
gearR(
page 190).
The respective front fog lamp goes out.
iThe corner-illuminating front fog lamps tem-
porarily come on both sides of the vehicle if you
turn the steering wheel in one direction and then
again in the other direction shortly thereafter.
iThe corner-illuminating front fog lamps will
come on automatically depending on the steer-
ing angle, even if you did not switch on either
turn signal. If the corner-illuminating front fog
lamps came on automatically, they will also go
out automatically depending on the steering
angle.
iThere may be a brief delay before the
corner-illuminating front fog lamps switch off.

155 Controls in detail
Instrument cluster
Resetting trip odometer
Make sure you are viewing the trip
odometer display (
page 157).
If it is not displayed, press buttonè
orÿ on the multifunction steering
wheel (
page 158) repeatedly until
the trip odometer appears in the multi-
function display.
Press and hold reset button 2
(
page 154) until the trip odometer is
reset.
Tachometer
The red marking on the tachometer
(
page 29) denotes excessive engine
speed.
To help protect the engine, the fuel supply
is interrupted if the engine is operated
within the red marking.
Outside temperature indicator
The outside temperature is indicated in the
multifunction display (
page 157).
!Avoid driving at excessive engine speeds, as
it may result in serious engine damage that is not
covered by the Mercedes-Benz Limited
Warranty.
Warning!G
The outside temperature indicator is not
designed to serve as an ice-warning device
and is therefore unsuitable for that purpose.
Indicated temperatures just above the
freezing point do not guarantee that the
road surface is free of ice. The road may still
be icy, especially in wooded areas or on
bridges.

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.

184 Controls in detail
Control system
Activating easy-entry/exit feature*
Use this function to activate and
deactivate the easy-entry/exit feature
(
page 128).
Move the selection marker with
buttonæ orç to the
Comfort
submenu.
Press buttonj ork repeatedly
until the message
Easy-entry
Function
appears in the multifunction
display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
the easy-entry/exit feature
On or Off.Setting fold-in function for exterior rear
view mirrors*
Using this function, you can set the
exterior rear view mirrors to be automati-
cally folded in when you lock your vehicle.
Warning!G
You must make sure no one can become
trapped or injured by the moving steering
wheel when the easy-entry/exit feature is
activated.
To stop steering wheel movement, do one of
the following:

Move steering wheel adjustment stalk*
(
page 47).

Press one of the stored position
buttons* or memory button M*
(
page 141).
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Children could open the driver’s door and
unintentionally activate the easy-entry/exit
feature, which could result in an accident
and/or serious personal injury.
iWith this function set to On and the exterior
rear view mirrors folded in using the button on
the door control panel (
page 205), the exterior
rear view mirrors will not fold out when you
switch on the ignition. You will then have to fold
out the exterior rear view mirrors using the
button on the door control panel (
page 205).
Make sure both exterior rear view mirrors are
folded out completely before driving off.

187 Controls in detail
Control system
Distance to empty
Press buttonÿ orè repeatedly
until the message
From Start appears
in the multifunction display.
Press buttonj ork repeatedly
until the message
Range: appears in
the multifunction display.
The calculated remaining driving range
based on the current fuel tank level
appears in the multifunction display.
TEL menu*
You can use the functions in the
TEL menu
to operate your telephone, provided it is
connected to a hands-free system and
switched on.
Switch on the telephone and COMAND
system.
Press buttonÿ orè on the
multifunction steering wheel repeat-
edly until the message
TEL appears in
the multifunction display.
iIf only very little fuel is left in the tank, a
vehicle at the fuel pump is shown instead of the
range.
Warning!G
A driver’s attention to the road must always
be his/her primary focus when driving. For
your safety and the safety of others, we
recommend that you pull over to a safe
location and stop before placing or taking a
telephone call. If you choose to use the tele-
phone while driving, please use the
hands-free device and only use the tele-
phone when weather, road and traffic
conditions permit.
Some jurisdictions prohibit the driver from
using a cellular telephone while driving a
vehicle.
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.
Never operate radio transmitters equipped
with a built-in or attached antenna (i.e. with-
out being connected to an external antenna)
from inside the vehicle while the engine is
running. Doing so could lead to a malfunc-
tion of the vehicle’s electronic system,
possibly resulting in an accident and/or
personal injury.