Page 25 of 194

General system operation23
General operation
RADIO, CD
NAME, TEL
NAV, INFO
CAR, SETUP You can perform the following functions with this 
multi-function steering wheel:
Applies to vehicles: with multi-function steering wheel with audio operation - version BMulti-function steering wheel with audio operation - version B
Button
Function 
description
Operating 
mode
Application
Press the 
 button
Radio
Select the previous 
station on the radio 
station list 
a).
CD or MP3
Select the previous 
track for the audio 
source you are listen-
ing to.
Press and 
hold  
the   button
CD or MP3
Reverse
Press the 
 button
Radio
Select the next station 
on the radio station 
list 
a).
CD or MP3
Select the next track 
for the audio source 
you are listening to.
Press and 
hold 
the   button
CD or MP3
Fast forward
  button not applicable.
AA
AA
AB
AB
AE
Pres s th e 
 button
Radio, CD or 
MP3
Increase volume
Pres s th e 
 button
Radio, CD or 
MP3
Reduce volume
Talk Button ( ) not applicable.
a)If the radio memory list is shown in the Navigation System display, a radio 
station can be selected from the list using the left menu thumbwheel.Button
Function 
description
Operating 
mode
Application
AC
AD
AF
Fig. 18  with multi-
function steering 
wheel with audio oper-
ation (version B) 
     
        
        Page 26 of 194

General system operation 24You can perform the following functions with this 
multi-function steering wheel:
The menu thumbwheel functions apply to the equipment which is 
active at the time.
If you roll the left menu thumbwheel past several detents in CD 
operation, several tracks are jumped.Button
Function 
description
Operating 
mode
Application
Roll the left 
menu thumb-
wheel 
up/down
Radio
Select the previ-
ous/next station on the 
radio station list 
a).
CD or MP3
Select the previ-
ous/next track for the 
audio source you are 
listening to.
First press on 
left menu 
thumbwheel
Radio
Start station frequency 
scan forward
Second press 
on left menu 
thumbwheel
Radio
Stop station fre-
quency scan
Pres s and h old 
left menu 
thumbwheel
CD or MP3
Fast forward
 button not applicable.
AAAAAAAB
MODE
Talk Button ( ) not applicable.Roll right 
menu thumb-
wheel up   
or down 
Radio, CD or 
MP3
Increase or reduce vol-
ume
Press the right 
thumbwheel
Radio, CD or 
MP3
Repeat the last naviga-
tion* announcement 
with active route guid-
ance
a)If the radio memory list is shown in the Navigation System display, a radio 
station can be selected from the list using the left menu thumbwheel.Button
Function 
description
Operating 
mode
Application
AC
	
AD
AD 
     
        
        Page 27 of 194
General system operation25
General operation
RADIO, CD
NAME, TEL
NAV, INFO
CAR, SETUP
Applies to vehicles: with multi-function steering wheel with audio operation - version CMulti-function steering wheel with audio operation - version C
You can perform the following functions with this 
multi-function steering wheel:
Fig. 19  Multi-function 
steering wheel with 
audio operation - 
version C
Button
Function 
description
Operating 
mode
Application
Press the 
 button
Radio
Select the previous 
station on the radio 
station list 
a).
CD or MP3
Select the previous 
track for the audio 
source you are listen-
ing to.
Press and hold  
the  
 button
CD or MP3
Reverse
Press the 
 button
Radio
Select the next station 
on the radio station 
list 
a).
CD or MP3
Select the next track 
for the audio source 
you are listening to.
Press und 
halten der 
 button
CD or MP3
Fast forward
  button not applicable.
AA
AA
AB
AB
AE
 
     
        
        Page 28 of 194
General system operation 26
Press the 
 button
Radio, CD, or 
MP3
Increase volume
Press the 
  button
Radio, CD, or 
MP3
Reduce volume
 button not applicable.
a)If the radio memory list is shown in the Navigation System display, a radio 
station can be selected from the list using the left menu thumbwheel.Button
Function 
description
Operating 
mode
Application
AC
AD
AF
 
     
        
        Page 29 of 194

Display27
General operation
RADIO, CD
NAME, TEL
NAV, INFO
CAR, SETUP
DisplayOrientationMain menu
Th e  m a i n  m e n u  o r  t h e  p r e v i o u s l y  a c t i v e  f u n c t i o n  m e n u  
appears in the display when a function button is 
pressed.Fig. 20  Display overview: Main navigation menuFig. 21  Display overview: Setup main navigation menu
When you press a function button, the main menu or a submenu 
assigned to this main function is displayed 
page 16.
If you then press the   button, the appropriate main Setup 
menu is displayed 
fig.21.
You can open the main Setup menu from a main menu or a 
sub men u. For e x amp le , if you press  the   button in  the main 
navigation menu 
fig.20 or in a navigation submenu 
page 28, 
fig.22, you are shown the main Setup navigation menu fig.21.
The functions in that menu which can be performed are shown in 
the center of the display. If your vehicle is not equipped with a 
particular function, no functions are offered in the main menu. You 
are shown an appropriate Note instead.
SETUP
SETUP 
     
        
        Page 30 of 194

Display 28The display comprises the following areas identified in the illustra-
tions 
page 27, fig.20 and 
page 27, fig.21:
 Title line
The title line shows the main function that you are currently in, e.g. 
Navigation 
page 27, fig.20. If Setup is displayed on the title line 
as well, you are in a Setup menu 
page 27, fig.21.
Switching between the individual main functions is carried out 
through the function keys 
page 16.
 Corners of the display
These functions depend on the menu you are currently in and are 
operated using the control buttons. The control buttons are logi-
cally assigned to the corners of the screen. The top right corner of 
the screen corresponds to the top right control button 
page 17.
 Display center
Radio station or track lists are displayed in the center of the display 
in radio, CD and MP3 operation. In Navigation, the individual desti-
nation mode is displayed. In the main Setup menus, a list of avail-
able functions is displayed.
 Orientation symbols
The different symbols in the display are used to select various addi-
tional functions 
page 29.
SubmenuFig. 22  Display: Navigation submenuThe submenu generally comprises the following areas identified in 
the illustration 
fig.22:
 Title line
You are also shown the title line in the submenus that were opened 
for the individual main functions. This orients you as to which main 
function you are in.
 Submenu
The subtitle shows detailed information about the selected 
submenu option, such as Destination.
 Display center
In the center of the display, the available options in the particular 
submenu are listed or notes are displayed.
A1AA A
A;AA  
     
        
        Page 31 of 194
Display29
General operation
RADIO, CD
NAME, TEL
NAV, INFO
CAR, SETUP
Orientation symbolsCursor and arrows
Cursor and arrows provide orientation when navi-
gating through the different menus.
This cursor designates a chosen line in a menu.
The arrows pointing up or down point to other menu points 
(scrolling up/down).
After a selection is made, this arrow points to other available 
selections or possible settings.
Selected textYour choice will be highlighted in white text 
fig.24.
Fig. 23 Section of 
display: Orientation 
symbols
A1A2A3
Fig. 24  Section of 
display: Example of 
highlighted line 
     
        
        Page 32 of 194
Display 30Operating the spellerOverviewFig. 25  Display: Number entry in the speller, e.g. entering special destination 
using telephone numberFig. 26  Display: Letter entry in the speller, e.g. Navigation destination entry
I f  r e q u i r e d  b y  t h e  s y s t e m ,  t h e  s p e l l e r  w i l l  a u t o m a t i c a l l y  a p p e a r  i n  t h e  
display. Then the system offers, independent of operating mode, 
either the option of entering numbers 
fig.25 or letters 
fig.26. 
If necessary, you can manually change from numbers to letters   
or from letters to numbers  .
The illustrations 
fig.25 and designated 
fig.26 symbols with 
corresponding actions are listed in the following table.
A6
A11