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 58 of 195
57 Audio
CD operation
.
209_MY09_A_US.book Seite 57 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 60 of 195

59 Audio
CD changer operation
CD changer operation
The CD changer can play audio or MP3
CDs. When playing MP3 CDs, only the first
99 tracks will be played in succesive order.
After that, playback will begin with track 1
of the MP3 CD. Folder selection is not
possible.Multi session CDs include mixed file types
(e.g. MP3 and audio CD) in either succes-
sive or random order on the disc. Audio
tracks will be played back first, followed by
MP3 tracks until 99 tracks are reached.Refer to additional MP3 information:
Permissible MP3 CDs
( page
71)
Permissible file systems
( page
71)
Permissible MP3 formats
( page
73)
Permissible bit and scan rates ( page
73)
Refer to additional CD information ( page
55)
.
Activate the CD changer main menu ( page
61)
.
or
Load a CD into the CD changer.
The CD changer is located in the glove box.
Open the glove box to access the CD
changer.The CD changer can accomodate up to 6
audio or MP3 CDs.
Switching to CD changer modeLoading CDs into the CD changerWarning
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.
209_MY09_A_US.book Seite 59 Montag, 26. Mai 2008 6:12 18
Page 61 of 195

60 AudioCD changer operationRemoving the magazine:
Slide the cover of the CD changer
open.
1Cover of the CD changer2l button3Magazine
Press the l button on the
CD changer.The magazine will slide out. The
message
No magazine
will appear on
the COMAND.
Inserting CDs:
Pull the disc tray forward until it stops.If necessary, remove CDs already
inserted.
Place a CD in the tray. The CD should
be inserted with the label side up.
Push the CD tray into the magazine
completely.
Repeat these three steps to load more
CDs into the magazine.
Reading the magazine in:
Slide the magazine into the CD changer
until it clicks into place (listen for the
click).
Slide the cover of the CD changer
closed.
iYou can also slide out the magazine if
COMAND is switched off. However, the
l button will not function if the
vehicle battery is not connected or
discharged.
iWhen you push the magazine in, the
arrow on the upper side of the
magazine must point in the direction of
the CD changer.
209_MY09_A_US.book Seite 60 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.
209_MY09_A_US.book Seite 61 Montag, 26. Mai 2008 6:12 18
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.
209_MY09_A_US.book Seite 62 Montag, 26. Mai 2008 6:12 18
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