cd changer MERCEDES-BENZ E-Class 2008 W211 Comand Manual

31 At a glance
Quick reference COMAND
Setting balance/fader
Open the main menu of the appropriate
operating mode
( page
27)
.

Press the
Bal/Fad
soft key.
The Balance/Fader menu is displayed.
Now you can set the balance and the
fader
( page
31)
.
A cross-hair cursor appears. The verti
-
cal line indicates the balance setting.
The horizontal line indicates the fader
setting.

Press

or

:
The cursor moves horizontally, adjust
-
ing the desired balance,
or
Press

or

:
The cursor moves vertically, adjusting
the fader.Storing new settings:

Press

or the
Back
soft key,
or
wait until the display changes.
For the following operating modes, differ
-
ent settings for bass and treble can be se
-
lected:
Radio (FM waveband)

Radio (AM waveband)

Radio (Weather Band)

Single CD

MP3

CD changer*

AUX

Satellite radio*

Navigation*
Bass and treble settings for navigation an
-
nouncements are found under “Adjusting
the acoustics for navigation announce
-
ments”
( page
109)
.
i Using
+
and
(
, the cursor can be
moved simultaneously in vertical and
horizontal direction (diagonally).
Bass and treble

32 At a glanceQuick reference COMANDWhen adjusting bass or treble, the system
automatically stores the setting for the
currently active operating mode.Setting bass and treble
Open the main menu of the appropriate
operating mode
( page
27)
.

Press the
Bass
or
Treble
soft key.
The Bass or Treble menu appears.

Press

or

.
The cursor moves horizontally, adjust
-
ing bass or treble accordingly.
Storing new settings
Press

or the
Back
soft key,
or
wait until the display changes.
If the vehicle is equipped with a sound sys
-
tem*, the sound functions are available for
the following operating modes:
Radio

Single CD

MP3

CD changer*

AUX

Satellite radio*
The following sound functions are avail
-
able:
Default
Settings
:
Resets the sound functions to the fac
-
tory setting.

Standard
:
Normal stereo playback.

Speech
:
Playback optimized for speech compre
-
hension.

LOGIC7
Surround
:
7-channel-surround playback (not for
mono-sources like AM waveband or
Weather Band in radio mode).
Different sound functions can be activated
for each one of the operating modes listed
above.
Sound functions*

35
Audio
Audio main menuRadio operation
Single CD operation
MP3 operation
CD changer* operation
Audio AUX operation

36 AudioAudio main menu
Press

.
The Audio main menu appears.If one of the Audio submenus appears: 
Press the
Back
soft key as often as
necessary until the Audio main
menu appears,
or
Press

again.
Various audio sources can be selected in
the Audio main menu.

Radio
soft key

Station settings for WB, FM, and AM
wavebands appear
( page
37)

CD soft key or
MP3
soft key

The Single CD main menu
( page
46)

or the MP3 main menu
( page
55)
ap
-
pears

CDC
soft key

The CD changer main menu appears ( page
66)

AUX
soft key

Facilitates operation of an external au
-
dio source
( page
72)
Switching the mute function ON: 
Press
1
.
The system is switched to mute.
Switching the mute function OFF: 
Press
1
again,
or
Turn the rotary control
4
located on
the COMAND control unit,
or
Press
æ or ç on the multifunc
-
tion steering wheel.The audio source heard is the one se
-
lected before the mute function was
activated.
Opening the Audio main menu
Selectable soft keysiThe Satellite Radio menu is accessed
by pressing
5
( page
75)
.
Mute functioniThe mute function is still activated if
the system is switched off and then on
again.

61 Audio
CD changer* operation


CD changer* operation

Only touch the CD on the edges.

Clean the CD with a dry, lint-free cloth.
Wipe the CD a straight line from the
center. Never wipe the CD in a circular
motion.

Do not use rubbing alcohol or solvents
to clean CDs.

D o n o t e x p o s e t h e C D s t o h e a t o r d i r e c t
sunlight.

Do not write or put labels on CDs

Open the CD changer main menu ( page
66)
.
or
Load an audio CD into the CD changer ( page
63)
.
The CD changer can play audio and MP3
CDs.The CD changer is concealed behind the
control panel faceplate in the center con
-
sole.Permissible MP3 CDsThe CD changer can read CD-R and CD-RW
CDs.Permissible file systemThe permitted file system is Joliet for

CD-R and CD-RW.Permissible MP3 formatsThe CD changer supports the following file
formats:
MPEG1 Audio Layer 3
Safety InstructionsWarning
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 when road,
weather and traffic conditions permit.Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet (approximate
-
ly 14 m) every second.The CD changer is a Class 1 laser product.
There is a danger of invisible laser radiation
when you open or damage the cover.

Do not remove the cover. The CD changer
does not contain any parts serviceable by
the user. For safety reasons, have any nec
-
essary service work performed by qualified
personnel.
Tips on caring for your CDsSwitching to CD changer mode
CD changer MP3 CDs

62 AudioCD changer* operation
MPEG2 Audio Layer 3

MPEG 2.5 Audio Layer 3
Permissible bit and scan rates Fixed and variable bit rates up to 320 kbps
are permissible.The permissible scan rates can be found in
the table below.
Tips on copyrightPlease also refer to the tips on copyright ( page
54)
.
Playing MP3 CDsThe CD changer can play MP3 CDs as well
as audio CDs. All the CD changer functions
listed below also apply to the playing of
MP3 CDs.When playing MP3 CDs, only the first 99
tracks will be played back in successive or
-
der. After that, playback will begin with
track 1of the MP3 CD if
Repeat CD
is select
-
ed
( page
71)
. Folder selection is not pos
-
sible.
1Opening/closing button2Control panel faceplate
Press button 1 to open. The control panel faceplate 2 pivots
up; the CD changer extends and be
-
comes accessible.
iIn everyday speech, the MPEG1 Audio
Layer 3 format has been replaced by
the designation “MP3”.
File format
Scan rate
MPEG1

Audio Layer 3
32 kHz, 44.1 kHz,
48 kHz
MPEG2

Audio Layer 3
16 kHz, 22.5 kHz,
24 kHz
MPEG2.5

Audio Layer 3
8 kHz, 11.025 kHz,
12 kHz
iIt is recommended to use MP3 tracks
with a bit rate of128 kbps or higher and
with a scan rate of 44.1 kHz or higher.
Lower rates may impair quality. This is
particularly true if the sound function LOGIC7 Surround
has been activated.
iDepending on the complexity of the di
-
rectory structure, playback of the first
track may in some cases be delayed.Accessing the CD changer

63 Audio
CD changer* operation

Press button 1 to close.The CD changer retracts; the control
panel faceplate 2 pivots down.
In order to insert CDs, you will need to first
access the CD changer
( page
61)
.
1CD slot2Magazine compartment buttons
Retracting the CD changer Loading CDsWarning
G
In order to avoid distraction which could
lead to an accident, the driver should insert
CDs with the vehicle at a standstill and oper
-
ate the audio system only when road, weath
-
er and traffic conditions permit.Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet (approximate
-
ly 14 m) every second.!Do not attach labels of any type to the
CD. They may become detached and
damage the drive.
!Only use CDs, which bear the label
shown and that conform to the com
-
pact disc digital audio standard

(IEC 60908).Do not play single-CDs (80 mm) with an
adapter. Only use round, 12 cm diame
-
ter CDs.Your CD changer has been designed to
play CDs which correspond to the IEC
60908 standard. Therefore only CDs
not exceeding a thickness of 1.3 mm
can be used.

If you insert thicker data carriers, e.g.
ones that have data on both sides (one
side with DVD data, the other side with
audio data), they cannot be ejected
and will damage the CD changer.
iThe CD changer may not be able to play
audio CDs with copy protection.

64 AudioCD changer* operationThe CD changer has a built-in magazine
which can hold up to six CDs.

The CD changer has six magazine compart
-
ment buttons 2 for controlling the loading
procedure. LEDs in the buttons indicate
the status of the corresponding magazine
compartment.
Button LED off:

Magazine compartment empty

Button LED continuously red:

Magazine compartment loaded with a
CD
The status of a magazine compartment can
also be seen when selecting a CD in the CD
Selection menu
( page
68)
.
The CD slot 1 for loading CDs into the CD
changer is located above the buttons 2.Loading options:
Loading a single magazine compart
-
ment


Loading all six magazine compart
-
ments

Loading a single magazine compart
-
ment 
Access the CD changer
( page
62)
.

Briefly press the button 2 of the emp
-
ty magazine compartment to be load
-
ed.

Wait until the LED in the button 2
flashes green.This indicates that the CD changer re
-
quests a CD.

Insert an audio CD into the CD slot 1
within approx. 15 seconds. Insert the
CD face up.The CD is pulled in. The red LED in the
corresponding magazine compartment
button 2 lights up continuously. The
system starts playing the CD. The load
-
ing procedure is completed.

Retract the CD changer
( page
63)
.
Loading all six magazine compart
-
mentsInitial situation: all magazine compart
-
ments empty.The CD changer loads all magazine com
-
partments beginning with compartment 1.
Access the CD changer
( page
62)
.
1CD slot2Magazine compartment buttons
iLoading a magazine slot will stop the
playback of a CD in the changer.

65 Audio
CD changer* operation

Press and hold the button 2 of an
empty magazine compartment for
more than 2 seconds.The LEDs of all magazine compartment
buttons 2 briefly light up green sever
-
al times.

Wait until the LED in the first magazine
compartment button 2 flashes green.This indicates that the CD changer re
-
quests a CD.

Insert an audio CD into the CD slot 1
within approx. 15 seconds. Insert the
CD face up.The CD is pulled in; the magazine com
-
partment is loaded. The red LED in the corresponding mag
-
azine compartment button 2 lights up
continuously. The CD changer then requests inser
-
tion of the next CD. The LED in the cor
-
responding magazine compartment
button 2 flashes green.

Repeat the last step until all six maga
-
zine compartments are loaded.The system plays the sixth CD. The
LEDs in all magazine compartment but
-
tons 2 light up red continuously.The loading procedure is completed.

Retract the CD changer
( page
63)
.
The following options are available:
Ejecting one CD


Ejecting all CDs
( page
66)
Ejecting one CD 1CD slot2Magazine compartment buttons
Access the CD changer
( page
62)
.

Briefly press the appropriate magazine
compartment button 2.The button LED 2 flashes red. The CD
changer ejects the CD.
iIf, for example, only compartments 1
through 4 are to be loaded instead of
all six compartments, simply do not in
-
sert the a fifth CD into the slot 1. The
CD changer attempts to load the fifth
CD, yet aborts the loading procedure.
The system automatically plays the last
(fourth) CD.Ejecting CDs


66 AudioCD changer* operation
Within 15 seconds, remove the CD
from the slot 1.The CD will be pulled in again if it is not
removed from the slot within approx.
15 seconds. The system starts playing
the CD again.The ejection procedure is completed.

Retract the CD changer
( page
63)
.
Ejecting all CDs 
Access the CD changer
( page
62)
.

Press and hold the button of a loaded
magazine compartment 2 for more
than 2 seconds.The button LEDs of all loaded magazine
compartments will briefly flash red,
several times.

The CD changer ejects the CDs one af
-
ter another.

Within 15 seconds, remove each CD
from the slot 1.The CD will be pulled in again if it is not
removed from the slot within approx.
15 seconds. The system starts playing
the CD again.The ejection procedure is completed
when all CDs are removed, or when the
procedure is aborted by the CD chang
-
er.

Retract the CD changer
( page
63)
.

Open the Audio main menu ( page
36)
.

Press the
CDC
soft key.
iIf you are listening to a CD in the CD
changer and you eject another CD from
the changer:
While ejecting the CD, the system
interrupts CD playback.

The CD you were last listening to
starts from the beginning once the
ejection procedure is completed.
iIf you eject the CD you are currently lis
-
tening to:
The next available audio CD is
played.

If there are no other CDs available,
the system switches to the audio
source listened to before CD chang
-
er mode.
CD changer main menuiThe CDC soft key is shaded out if no CD
is loaded. The system will not switch to
CD changer mode.
Load an audio CD into the

CD changer
( page
63)
.