2003 MERCEDES-BENZ M-Class CD changer

52 Audio
CD operation
Loading CDs in the changer
The CD changer is located behind the trim
panel on the right side of the cargo area. It
can accommodate up to 6 CDs.
Open the sliding door by pushing in the
direction of the arrow above. Push the
door completely open until it locks in
the open position.1Eject button
Press the eject button.
The magazine will slide upwards.
Pull the disk tray forward until it stops.
i
The magazine can be ejected even if the
MCS is switched off.
The eject button does not function if the
battery is drained or disconnected.
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Do not attempt to remove the tray from
the magazine.

53 Audio
CD operation
Place a CD in the tray. The CD should
be inserted with the label side up.2Arrow tip on the rack wall
Push the CD tray into the magazine
completely.
Slide the magazine into the CD changer
until it clicks into place (listen for the
click).
Close the sliding door.
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Make sure that 22 is pointing in the di-
rection of the arrow 3
3.
Do not force the magazine into the
changer. If the magazine does not enter
smoothly, please check for proper ori-
entation of the magazine.

55 Audio
CD operation
FunctionPage
Single CD player*
1Main single CD menu
2Icon for inserted CD in
single CD player
3Scan60
4Repeat61
5Random play61
6Audio adjust menu
7Select time display
8Pause62
CD changer*
9Main CD changer menu
10Icon for connected and
loaded CD changer
11Number of selected CD
12Scan60
13Repeat 61
14Random play 61
15Audio adjust menu63
16Select time display62
17Pause62

56 Audio
CD operation
MCS with single CD player*
CD operation begins:

Automatically, by inserting a CD
(
page 51)
The playback starts at Track 1.

By pressing when a CD is already
inserted in the CD slot, playback starts
at Track 1.
The telephone functions can be used while
a CD is playing.
To stop CD playback
Eject the CD, switch to the radio or
tape mode, or switch off the MCS.MCS with CD changer*
CD changer operation begins:

Press when CDs are inserted in
the CD changer (
page 52).
The playback starts at Track 1 of the
first CD.
The telephone and navigation functions
can be used while a CD is playing.
To stop CD playback
Switch to the radio or tape mode or
switch off the MCS.
Switching CD operation on and off
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The navigation functions can be used
while a CD is playing in the CD-changer.
MCS with navigation system:
Navigation is only possible when a nav-
igation DVD is inserted in the single CD
player.

57 Audio
CD operation
MCS with single CD player* and CD chang-
er*
If you press , the MCS starts the CD
mode that was last activated. To switch be-
tween CD modes, press again.
Single CD player playback
Single CD player playback begins:

Automatically, by inserting a CD, page
42
The playback starts at Track 1.

By pressing when a CD is already
inserted in the CD slot, playback starts
at Track 1.
To stop CD playback
Eject the CD
or
Switch to the radio, tape or CD changer
or
Switch off the MCSCD changer playback
CD changer operation begins:

By pressing when CDs are insert-
ed in the CD changer, page 43.
Playback starts at Track 1.
To stop CD playback
Switch to the radio
or
Switch to tape or single CD player
mode
or
Switch off the MCSThe following error messages can appear
after is pressed:
“NO CD” - there is no CD inserted. In-
sert a CD.

“CD ERROR” - the inserted CD can not
be read. The CD may be inserted incor-
rectly, be damaged, or is not an audio
CD. The CD may be copy protected. If it
is a recorded CD (instead of a stamped
CD), the quality may be poor or the for-
matting incorrect.
Error messages

58 Audio
CD operation

Single CD mode: “NAVIGATION
DISC INSERTED...” - a navigation
DVD is inserted in the CD slot. Replace
the DVD with an audio CD.

CD changer mode: “MAG. EMPTY” -
there are no CDs in the magazine. Eject
the CD changer magazine and insert
CDs.

CD changer mode: “NO MAGAZINE” -
there is no magazine in the CD chang-
er. Insert a loaded magazine into the
CD changer.

CD changer mode: “CHANGER ER-
ROR” - have the MCS and the CD
changer checked by an authorized Mer-
cedes-Benz Center.Press a number key, e.g. to se-
lect the corresponding CD.
The screen as shown above appears for
4 seconds. The selected CD will be
highlighted. If the selected magazine
slot is empty, the “NO CD” message
and the number of the selected slot ap-
pears on the screen. The next CD in-
serted will be selected.Playback begins with track 1 of the select-
ed CD.
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In the CD, radio and tape modes icons
are displayed for an inserted CD (single
CD player) or a connected and loaded
CD changer.
Selecting a CD
MCS with CD changer
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After the last track of the current CD
has been played, the next CD inserted
in the magazine is selected and play-
back continues with track 1.

63 Audio
Audio Adjustment
Audio Adjustment
The sound settings for all audio sources
can be adjusted.
Audio sources include

Radio FM, AM, WB

Tape

CD (Single CD, CD changer)
Each audio source has its own audio ad-
justments for bass and treble.
All audio sources share the balance and
fader functions.Setting Bass/Treble/Balance/Fader
Press the softkey “ADJ” in any
audio menu.
Your current settings are displayed in
the main audio adjust menu.To select the parameter you want to
adjust, press the softkeys
or .
The selected parameter is highlighted.
To set the desired values, press the
softkeys “-” and “+” or “L”
and “R”.
To reset the selected parameter press
and hold both softkeys , “-” and
“+” or “L” and “R” for longer then 2
seconds.
Once you are satisfied with the sound
setting, press the softkey
“EXIT”.
Audio Adjustment
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If your vehicle is equipped with the Bose
Audiopilot digital processor, digital
electronics will continually separate
program material from ambient noise
and modify the programming signal so
that you can enjoy the full musical per-
formance without making any adjust-
ments.
The normal operation of the Bose
Audiopilot could be interpreted as
volume fluctuations, however this is
normal operation.