Page 57 of 195

56 AudioCD operation
Avoid touching the CD surface with 
your fingers.
Clean the CD with a dry, lint-free cloth. 
Wipe them from the inside to the outer 
edge. Never wipe the CD in a circular 
motion.
Do not use rubbing alcohol or solvents 
to clean the CDs.
Do not expose the CDs to heat or direct 
sunlight.
Do not write or put stickers on CD.
Loading a CD into the CD drive
Tips on caring for your CDs
Loading a CDWarning
G
In order to avoid distraction which could 
lead to an accident, the driver should insert 
CDs with the vehicle at a standstill and 
operate the audio system only if permitted 
by road, weather and traffic conditions.Bear in mind that at a speed of just 30 mph 
(approximately 50 km/h), your car covers a 
distance of 44 feet (approximately 14 m) 
every second. 
iThere are two l buttons. One is on 
the display unit. The other is located 
left of the CD AUDIO slot behind the 
display, see next page. iThe CD drive can acommodate either 
audio or MP3 CDs 
( page
 70)
.
209_MY09_A_US.book  Seite 56  Montag, 26. Mai 2008  6:12 18 
         
        
        
     
        
        Page 59 of 195

58 AudioCD operation1Ejecting audio CD2Opening/closing the display unit3Warning message 
Press EJECT to 
close
With the COMAND switched on, press 
l.The display unit moves forward and 
then tilts down. The CD AUDIO slot is 
visible.
Press the l button left of the 
 
CD AUDIO slot to eject a CD already 
loaded.
Remove the CD from the slot.
Insert a CD into the slot. The CD should 
be inserted with the label side up.The COMAND pulls the CD in.
Press l on the display unit to return 
the display unit to its closed position.The display unit tilts up and then moves 
to the rear.Playback begins with track number 
one.The message 
CD error 
will appear if 
there is a media error.
Remove the CD or switch to 
another operation.
Warning
G
The display unit can cause injury if 
contacted when open. Please close after 
inserting an audio CD. !Do not place anything on the lowered 
display panel 
(i.e. do not attempt to use 
as a shelf)
. Placing objects on the 
lowered display panel may result in 
damage to the display or COMAND 
 
unit which is not covered by the 
Mercedes-Benz Limited Warranty. 
iInserting a second CD with another CD 
still loaded will cause damage to the 
CD drive which is not covered by the 
Mercedes-Benz Limited Warranty. 
iThe message 
Press EJECT to close
 will 
appear. If l on the display unit is 
not pressed within 20 seconds, eight 
successive series of two beep tones 
will sound to remind you to return the 
display to its closed position by 
pressing l on the display unit. After 
the beep tones COMAND returns the 
display unit to its closed position.
209_MY09_A_US.book  Seite 58  Montag, 26. Mai 2008  6:12 18 
         
        
        
     
        
        Page 62 of 195

61 Audio
CD operation
 
CD operation
Playback locations for audio CDs are:
the CD drive in the COMAND
the CD changer.
CD driveCD changer
In the Audio menu 
( page
 46)
, press 
the
 CD
 or the
 CD
 soft key.
CD changer main menu1CD number or name of the CD currently 
playing2Track number or name of the track 
currently playing 3CD
 - CD changer
CD
 - CD drive
Actual track number/max. track 
number on CD and elapsed playback 
time
4Symbol for inserted CD
Switching to CD operationiThe CD drive is located behind of the 
display unit 
( page
 57)
.
iThe CD changer can accomodate up to 
6 audio or MP3 CDs. The CD changer is 
located in the glove box.If a CD changer is connected to the 
COMAND, the 
CD
 soft key is 
available.
iThe 
Magaz.
 soft key is only assigned 
when the CD changer is active.
If the CD changer has already read the 
magazine, the Magazine menu will 
appear 
( page
 64)
 when you press the 
Magaz.
 soft key. 
Otherwise the message 
Magazine scan 
Please wait
 will appear first.
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        Page 63 of 195
62 AudioCD operationCD drive
Activate the Audio menu 
( page
 46)
.
Press the 
CD
 soft key
.
The CD main menu is displayed. If no audio CD has been inserted, the 
message 
No CD inserted 
will appear.
Load an audio CD into the CD drive ( page
 56)
.
CD main menu
CD changer
Activate the Audio menu 
( page
 46)
.
Press the 
CD
 soft key
.
The CD changer main menu will 
appear. The CD last played is played 
back.
CD changer main menu
 
If the last played CD is not available, the 
next available audio CD or MP3 CD is 
played back.No CD in the magazine:The message 
Magazine empty
 will appear.
Load audio CDs into the CD changer ( page
 59)
.
Switching on
iThe name of the CD and the name of 
the track played are displayed if the 
information is available.iThe 
CD
 soft key is available if a CD 
changer is connected to the COMAND.
iThe name of the CD and the name of 
the track played are displayed if the 
information is available.
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        Page 64 of 195
63 Audio
CD operation
You can select an audio or MP3 CD:
in the CD list 
( page
 63)
with the number keypad 
( page
 63)
in the magazine menu 
( page
 64)
In the CD list
The CD list includes all loaded CDs. Only 
one list entry is visible at a time.The entry is displayed above the track 
indication. It shows the number of the CD 
currently playing.
Push the joystick to H or h to 
select another CD from the list.Loading CD 
 is displayed.
After the CD is loaded, playback 
begins. 
With the number keypad
Selecting a CD (CD changer only)iSelection is possible if the 
 
CD changer has loaded the magazine 
(COMAND knows the position of filled 
and empty slots) and at least two audio 
or MP3 CDs are loaded.
iThe number keys 1 - 6 can be used 
for direct selection.Keys
 1 - 6 
magazine slots 1 to 6 
of the CD changer
209_MY09_A_US.book  Seite 63  Montag, 26. Mai 2008  6:12 18 
         
        
        
     
        
        Page 65 of 195
64 AudioCD operation
Press a number key, e.g. 2 to select 
the corresponding CD.Loading CD 2 
is displayed.
The CD is changed. The selected CD is 
played back.The message 
No CD 
 will 
appear if a selected slot is empty.
In the Magazine menu
Press the 
Magaz.
 soft key.
The Magazine menu is displayed. If the 
magazine has not been read in, the 
message 
Magazine scan 
 
Please wait
 is displayed first.
Push the joystick to g or G to 
select a CD.
Press E.
or
Press one of the number keys 1 to 
6.The CD is changed. The message Loading CD 
 will appear.
You can select a track:
with g or h 
( page
 64)
with the joystick 
( page
 65)
with the number keypad 
( page
 65)
with CD track scan 
( page
 66)
With g or h
Activate the main CD menu ( page
 61)
.
Next track
Press h.The next track is played.
iThe name of the CD instead of e.g. 
CD1
 
is displayed if the information is 
available.
Track select
209_MY09_A_US.book  Seite 64  Montag, 26. Mai 2008  6:12 18 
         
        
        
     
        
        Page 66 of 195
65 Audio
CD operation
Previous track or start of title (if more 
than 10 seconds of playing time has 
elapsed)
Press g.Playback begins.
Select any desired track
Press g or h as many times as 
necessary.
With the joystick
Push the joystick to g or G to play 
the next or previous track.
With the number keypad
Activate the CD main menu ( page
 62)
.
Press *.An input line will appear in the CD main 
menu.
1Number of tracks on CD corresponds 
with the valid number range2Input lineE.g.: Track 14.
Press 1 and 4 in short succession.
After entering the track number, wait 
approximately 3 seconds.The selected track is played. The CD 
main menu is displayed.iEntries higher than the number of 
tracks available on the CD are not 
possible.During MP3 playback
CD drive:You can select the tracks of the 
current folder 
( page
 79)
.
CD changer:You can select the first 99 tracks of 
a MP3 CD.
209_MY09_A_US.book  Seite 65  Montag, 26. Mai 2008  6:12 18 
         
        
        
     
        
        Page 68 of 195
67 Audio
CD operation
On
Press J during playback.The CD operation is muted and the
 ß 
symbol is displayed in the status bar. 
The soft keys on the left side are 
greyed out in some submenus.
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
 68)
Track mix 
( page
 69)
CD mix 
( page
 69)
Repeat track 
( page
 69)
Repeat CD 
( page
 69)
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 modeiIf the CD changer is connected, the 
playback modes 
Repeat CD
 and 
 
CD mix
 are available additionally.
209_MY09_A_US.book  Seite 67  Montag, 26. Mai 2008  6:12 18