Page 78 of 195

77 Audio
MP3 CD operation
Selecting via the folder list
In the MP3 main menu 
( page
 75)
, 
press the 
Folder
 soft key. The folder 
list appears.
Push the joystick to G 
or 
g
 to 
select a folder.
Press E.COMAND changes the folder and loads 
the data from the new folder. It may 
take a while to load the data de-
pending on the number of folders and 
tracks.
If a
folder was selected:
A list of MP3 tracks appears.If a
folder was selected:
The next level of the folder structure 
will appear.
Push the joystick to G 
or 
g
 to 
select a track or another folder. Repeat 
until desired track or folder appears.
The 
Play
 soft key is available if a track 
is selected or the selected folder 
contains only tracks and no subfolders.
When pressed, playback of the 
highlighted track or the first track in 
the selected folder will begin.
To go up one level in the folder structure:
Press
 the
 soft key.
iThe folder list only contains folders in 
which MP3 or audio CD tracks are 
stored.After inserting a MP3 CD the COMAND 
begins loading the data. The 
Folder
 
soft key may be greyed out during that 
time. Once loaded the folder soft key is 
available.
i
Folder contains MP3 tracksFolder contains subfoldersMP3 CD name
209_MY09_A_US.book  Seite 77  Montag, 26. Mai 2008  6:12 18 
         
        
        
     
        
        Page 79 of 195
78 AudioMP3 CD operationYou can select a track:
by using G 
or 
g in the track list
with g or h
with the number keypad
with Scan
In the track listThe track list includes all tracks of the CD 
or currently selected folder. Only one list 
entry is visible at a time.1Current folder
Activate the MP3 main menu ( page
 75)
.
Push the joystick G 
or 
g
 to move 
forward or backward through the track 
list.
Press E 
.
Using Skip track 
Activate the MP3 main menu ( page
 75)
.
Forward
Press 
D
.
The next track from the track list is 
played.
Track selectiIf there are tracks on the MP3 CD that 
can not be read, you will not see any 
error messages. The audio output will 
be muted and a search will begin to the 
next readable position.iAt any time during playback an 
expanded view of a track title can be 
displayed by pressing the 
Detail
 soft 
key.
iIf the last track in a folder is playing, 
the first track is selected.
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        Page 80 of 195

79 Audio
MP3 CD operation
Backward
Press d
. 
If the track has been playing for more 
than approx. 10 seconds, the track is 
replayed from the start. If the playing 
time is shorter, the previous track is 
played.
With the number keypadThe tracks of the current folder can be 
selected with this function.
Activate the MP3 main menu ( page
 75)
.
In short succession, press button * 
and the number key of the desired 
track, e.g. 8.
1Number of tracks in the current folder 
(10 tracks)
After your entry the selected track is 
played and visible.
Using MP3 track scanThe tracks of the current folder can be 
scanned one after the other for 8 seconds 
each. Subfolders are not considered.The function will switch off automatically 
when the beginning track is reached.You can also manually stop the scan 
search.Starting the scan search
Activate the MP3 main menu ( page
 75)
.
Press the 
Scan
 soft key.
iIf the current folder contains less than 
10 tracks, the system will only recogni
-
ze the first digit entered and play the 
appropriate track.
iWhen you start the scan search, the 
playback mode 
Normal
 sequence 
( page
 81)
 is automatically activated.
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        Page 81 of 195

80 AudioMP3 CD operationEnding the scan functionScan search is running.
Press the 
Scan
 soft key.
or
Press E.The last scanned track is played.
Activate the MP3 main menu ( page
 75)
.
Press and hold g or h.
To stop release g or h.
On
Press J during playback.The MP3 CD operation is stopped and 
the
 ß symbol is displayed in the status 
bar. The soft keys on the left side are 
greyed out in the MP3 main menu.
Off
Press J again.Playback will resume.The ß disappears from the status bar. 
The soft keys on the left side are 
selectable again.
The following options are available:
Normal sequence 
( page
 81)
CD mix 
( page
 81)
Repeat track 
( page
 81)
Repeat folder 
( page
 81)
Fast forward/reverse
Muting
iCOMAND will also deactivate if you
Press A, B, g
, h
Change the volume at COMAND or 
the multifunction steering wheel
Operate the joystick
Press any keypad button except #
Press j or k at the 
multifunction steering wheel if the 
audio menu is selected
Press any soft key.
Playback options
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        Page 82 of 195

81 Audio
MP3 CD operation
Changing the playback optionE.g.:Option 
CD mix
Activate the MP3 main menu ( page
 75)
.
Press the 
Setting
 soft key.
Setting menu
Push the joystick to g or G to 
select the playback mode 
CD mix
.
Press E.The option is activated. The MP3 main 
menu will reappear.
Explanation of the playback options
Normal sequence
 (normal setting)
The tracks of the current folder are 
played in order on the disc.If the current folder contains sub-
folders:The sub-folders and their tracks are 
played in order on the disc.
CD mix All tracks of the MP3 CD are played in 
random order.
Repeat track The system repeats the current track 
until you switch the function off.
Repeat folderThe system repeats the tracks of the 
current folder until you switch the 
function off.
View track detailAt any time during playback an expanded 
view of a track title can be displayed in the 
MP3 CD main menu via a separate 
window.
Press the 
Detail
 soft key.
To cancel
Press the 
Detail
 soft key again.
orThe window will automatically disappear in 
approx. 5 seconds.
Option
Symbol
Function active
_ 
Function not active
- 
iAfter selecting, the following playback 
options are displayed on the status bar.
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        Page 83 of 195

82 AudioAUX operation 
AUX operation
An external audio source can be 
connected to the COMAND via the 1/8" 
socket located inside the glovebox.11/8 inch socket
Open the Audio menu 
( page
 46)
.
Press the 
AUX
 soft key.
The AUX menu is displayed. The exter
-
nal audio source is played back if it is 
connected and switched to playback.
At the COMAND, you can set the following 
for the AUX operation:
Volume 
( page
 34)
Balance control and fader 
( page
 36)
Bass and treble control 
( page
 37)
Sound functions 
( page
 37)
iFor further information please contact 
an authorized Mercedes-Benz Center.
iFor instructions on how to operate the 
external audio source, please see the 
operation manual of the device con
-
nected. 
iThe volume of external audio sources 
varies. Therefore, the volume level of a 
connected external audio device may 
be higher or lower than expected or the 
usual maximum volume cannot be 
achieved. On certain devices the 
volume can be set separately. In this 
case, start at a moderate volume and 
increase it slowly. In this way you can 
determine whether the system is 
capable of playback without distortion, 
even at high volume.
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        Page 86 of 195

85 Satellite radio
Subscribing
 
Subscribing
Press B to switch to satellite radio 
operation.The Satellite radio main menu will ap
-
pear and displays the 
Weather
 channel. 
You cannnot select any other station.
Press the 
Service
 soft key to display 
the Service information display.
The Service information display will ap
-
pear.
Service information display1Phone number of the provider, 
 
(SIRIUS) or “Call Service Provider”
2The Electronic Serial Number (ESN) of 
your satellite receiver
Contact satellite radio service provider 
at the telephone number displayed in 
the screen.
After the connection is made:
Follow the instructions given by the 
operator.The activation process may take up to 
10 minutes. If it is successful, you will 
see the display with the message 
 
Acquiring Signal...
 ( page
 86)
 follo
-
wed by the Satellite radio main menu ( page
 86)
.
Subscribing to satellite radio
iDepending on subscription status, soft 
keys may or may not appear on the left 
and right side of the service information 
display.
iIt is also possible to activate the satelli
-
te service online. To do so please visit 
SIRIUS Satellite Radio’s website at 
www.sirius.com (USA) or 
 
www.siriuscanada.com (Canada)iIf a subscription is not included with 
system purchase, credit card informati
-
on is required to activate your account.If a satellite receiver is not installed or 
not properly installed:The message 
No Satellite Radio
 will 
appear.
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        Page 87 of 195
86 Satellite radioSatellite radio operation 
Satellite radio operation
See “Subscribing to satellite radio” for im
-
portant subscription information ( page
 85)
.
Press B to switch to satellite radio 
operation.
The message will appear at start up or 
when the signal is not available.
After the COMAND acquires the 
 
signal, the Satellite radio main menu will 
appear. The station last tuned to will begin 
to play.Satellite radio main menu1Program category2Station name3Memory preset selected if available 
and channel number
Switching oniNo Satellite receiver:The message 
No Satellite Radio
 will 
appear in a window.
iThe 
Sound
 soft key is available if 
COMAND is equipped with a sound 
amplifier.
iYou can display 2 in full:
Station information 
( page
 90)
209_MY09_A_US.book  Seite 86  Montag, 26. Mai 2008  6:12 18