Page 158 of 666
156 Controls in detailOperating system with steering wheel buttons*
3
With Sound 5/Sound 20, the operating
system always shows the AUDIO and
TEL (telephone) menus in English.
Function
Page
5
Trip computer
menu
176
Consumption statistics
after start
177
Consumption statistics
after reset
177
Distance to empty
177
6
Telephone*
menu
178
Enter PIN
179
Rejecting a call
180
Accepting a call
180
Ending a call
180
Dialing for a number
from the phone book
180
Redialing
181
Function
Page
iThe tabluar overview of the menus
contains generic terms which are not
always shown in the operating sys-
tem. The generic term concerned is
intended simply to make it easier for
you to familiarize yourself with the
menus.
The operating system displays the
new function range directly with the
first menu function.
nf_BA.book Page 156 Friday, January 25, 2008 3:53 PM
Page 163 of 666
161 Controls in detail
Operating system with steering wheel buttons*
3
The
Settings
menu has two functions:
\4
the
To reset: Press reset button
for 3 sec.
function, with which you
can reset all settings to the factory
defaults
\4
a collection of submenus which you
can use to make individual settings
for your vehicle
\1
Press the
è
or
ÿ
button re-
peatedly until you see the
Settings
menu in the display.
Settings menu
iThe malfunction memory is cleared
when you switch off the ignition. If
any new malfunctions occur, they will
be displayed again.Settings menu
N54.32-2254-31
Function
Page
Reset settings
162
Reset the functions of a sub-
menu
162
Submenus in the Settings
menu
163
Instrument cluster submenu
165
Clock/Date submenu
168
Lighting submenu
170
Vehicle submenu
174
Auxiliary heating* submenu
240
Convenience* submenu
175
nf_BA.book Page 161 Friday, January 25, 2008 3:53 PM
Page 164 of 666

162 Controls in detailOperating system with steering wheel buttons*
3
Resetting settingsYou can reset the functions in all sub-
menus to the factory defaults.\1
Press the reset button for ap-
proximately 3 seconds.
You will see the message in the dis-
play prompting you to press the
reset button once more to confirm.
\1
Press reset button again.
The functions in most submenus are
reset to the factory defaults.
Resetting the functions of a submenuYou can reset the functions of an individ-
ual submenu to the factory defaults.\1
Select a function in a submenu.
\1
Press reset button for approxi-
mately 3 seconds.
You will see the message in the dis-
play prompting you to press the
reset button once more to confirm.
\1
Press reset button again.
Most functions in the submenu are
reset to the factory defaults.
iIf you do not press the reset but-
ton a second time to confirm, the
changed settings remain set. The Settings
menu is displayed again af-
ter approximately 5 seconds.
For safety reasons, it is not possible
to reset all of the functions while the
vehicle is in motion. For example, the
Hdlmp. mode
function in the
Lighting
submenu remains unchanged.
nf_BA.book Page 162 Friday, January 25, 2008 3:53 PM
Page 165 of 666

163 Controls in detail
Operating system with steering wheel buttons*
3
Submenus in the Settings menu
\1
Press the
j
button.
You will see the collection of sub-
menus. There are more submenus
than can be displayed at the same
time.
\1
Press
ç
button.
The selection marker moves to the
next submenu.The submenus are arranged in a hierar-
chy; press the
ç
button to scroll
down, press the
æ
button to scroll
up.
You can select a function within the sub-
menus by pressing thej
button.
The settings themselves are changed by
pressing the
æ
or
ç
button again.
This table shows the settings you can
make in the individual submenus.
You will find additional information on
the following pages.
iIf you do not press the reset but-
ton a second time to confirm, the
changed settings remain set. The Settings
menu is displayed again af-
ter approximately 5 seconds.
For safety reasons, it is not possible
to reset all of the functions while the
vehicle is in motion. For example, the
Hdlmp. mode
function in the
Lighting
submenu remains unchanged.
N54.32-2255-31
nf_BA.book Page 163 Friday, January 25, 2008 3:53 PM
Page 173 of 666

171 Controls in detail
Operating system with steering wheel buttons*
3
Setting constant headlamp mode*If you have set constant headlamp mode
and the light switch is at
M
, the fol-
lowing light up automatically when the
engine is running:
\4
The parking lamps and low-beam
headlamps
\4
The tail lamps
\4
The license plate lamp
For safety reasons, it is only possible to
change this setting when the vehicle is
stationary. The factory setting is
Con-
stant
in countries in which constant
headlamp mode is mandatory.
\1
Press the
æ
or
ç
to select the
Lighting
submenu.
\1
Press the
j
or
k
button re-
peatedly until you see the
Hdlmp.
mode
message in the display.
The current setting is highlighted.
\1
Press the
æ
or
ç
but ton to se -
lect whether you wish to operate the
lighting manually or whether you
wish to set constant headlamp
mode.
N54.32-2268-31
iFor safety reasons, it is not possible
to reset the
Hdlmp. mode
function to
the factory setting while the vehicle
is in motion. You will see the follow-
ing message in the display:
Setting
only possible at standstill
nf_BA.book Page 171 Friday, January 25, 2008 3:53 PM
Page 178 of 666
176 Controls in detailOperating system with steering wheel buttons*
3
\1
Press the
j
or
k
button re-
peatedly until you see the
Key
mes-
sage in the display.
The current setting is highlighted.
\1
Press the
æ
or
ç
button to
switch key dependence On or
Off
.The Trip computer menu displays statis-
tical data for your vehicle. N54.32-2273-31
iFor safety reasons, it is not possible
to set the
Key
function while the vehi-
cle is in motion. You will see the fol-
lowing message in the display:
Setting only possible at stand-
still
.
Trip computer menuFunction
Page
Consumption statistics after
start
177
Consumption statistics after
reset
177
Reset consumption statistics
178
iWhen you call up the trip computer
again, it always displays the con-
sumption statistics after start first.
The units of the trip computer are
country-specific and depend on the
setting in the
Instrument
submenu of
the
Settings
menu.
Function
Page
nf_BA.book Page 176 Friday, January 25, 2008 3:53 PM
Page 179 of 666
177 Controls in detail
Operating system with steering wheel buttons*
3
Consumption statistics after start
\1
Press the
è
or
ÿ
button re-
peatedly until you see the
After start
message in the display.
1Distance driven since start
2Time elapsed since start
3Average speed since start
4Average fuel consumption since start
Consumption statistics after reset
\1
Press the
è
or
ÿ
button re-
peatedly until you see the
After start
message in the display.
\1
Press the
j
or
k
button re-
peatedly until you see the
After re-
set
message.
1Distance driven since last reset
2Time elapsed since last reset
3Average speed since last reset
4Average fuel consumption since last
reset
N54.32-2274-31
iIf you turn the key to position
0 in the
ignition lock or remove it, all the val-
ues are reset after approximately 4
hours.
The values will not be reset if you turn
the key back to position
1 or
2 during
this time.
N54.32-2275-31
nf_BA.book Page 177 Friday, January 25, 2008 3:53 PM
Page 180 of 666
178 Controls in detailOperating system with steering wheel buttons*
3
Resetting the consumption statistics
\1
Press the
è
or
ÿ
button re-
peatedly until you see the
After start
message in the display.
\1
Press the
j
or
k
button re-
peatedly until you see the statistics
that you want to reset in the display.
\1
Press and hold the reset button
until the values are reset to 0.You can operate your cell phone using
the functions in the
TEL
menu, provided
it is connected to the manufacturer’s
hands-free system*.
iThe consumption statistics after
start are automatically reset after
999 hours or 9,999 miles (kilome-
ters).
The consumption statistics after re-
set are automatically reset after
9,999 hours or 99,999 miles (kilome-
ters).
Telephone menu
*
Warning
G
You must observe the legal requirements
for the country in which you are driving
when operating a cell phone in the vehi-
cle.
Continued
nf_BA.book Page 178 Friday, January 25, 2008 3:53 PM