2008 MERCEDES-BENZ CLS-Class Comand Manual

57 Audio
MP3 operation

Press
.
The 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.
You may select a track in the current fold
-
er.The following options are available:
Selecting via manual entry of the track number
( page
58)

Selecting via scan search
( page
58)

Selecting via track skip

Selecting via track list
Selecting via track skip On the COMAND control unit
Open the MP3 main menu
( page
55)
.

Press
-
for forward skipping.
or
Press
,
for backward skipping.
On the multifunction steering wheel 
Switch the multifunction display in the
instrument cluster to the audio display ( page
25)
.

Press
j for forward skipping.
or
Press
k for backward skipping.
Selecting via track list The track list contains all tracks in the cur
-
rent folder. Only one track can be viewed
at a time.
Selecting a track
iForward skipping:

The next track is played.
iBackward skipping:

The system skips back to the beginning
of the track if more than approx. 10
seconds playing time of the track cur
-
rently playing have elapsed.

The system skips back to the beginning
of the previous track if less than 10
seconds playing time of the track cur
-
rently playing have elapsed.

58 AudioMP3 operation1Current track
Use
 or  to select another track
from the list.

Press

, or wait approx. 3 seconds
without changing the selection.
The selected track is played.
Selecting via manual entry of the track
number
Open the MP3 main menu
( page
55)
.

Press
2
.
The Manual track input display ap
-
pears.
1Number of tracks in the current folder
(10 tracks)Entry example: Track 1
Press
3.
Entry example: Track 10
Press
3 and " in quick succession.

Wait approx. 3 seconds after entering
the number. The selected track is played.
Selecting via scan search Scan search is characterised as follows:
Scan search plays each track in the
current folder for approx. 8
seconds.

Scan search can be ended manually.

Scan search automatically stops at the
track listened to before the scan
search was started.iEntries beyond the number of available
tracks in the current folder are not pos
-
sible.

59 Audio
MP3 operation
Starting scan search
In the MP3 main menu
( page
55)

press the
Scan
soft key.
The scan search starts.
Ending scan search manually 
Press the
Scan
soft key.
The track playing at the time the scan
is ended remains playing.

Open the MP3 main menu
( page
55)
.

Press and hold
-
or
,
.

To stop release
-
or
,
.
The following options are available:
Normal sequence

The COMAND plays tracks in a folder in
succession.

Once all the tracks in a folder have
been played, COMAND begins playing
the track(s) in the next folder on the
disc.

Repeat track

The current track will be repeated until
this function is deactivated.

Repeat folder

The tracks in the current folder will be
repeated until this function is deacti
-
vated.

The track sequence is the same as the Normal sequence
option.

Random track

This option is restricted to the tracks in the
current folder. The tracks are played in ran
-
dom order.

Random folder

All tracks on the CD are played in random
order.
Switching the playback option 
In the MP3 main menu
( page
55)

press the
Setting
soft key.
The Setting menu appears.

The solid circle
indicates which op
-
tion is currently selected.
iThe scan search will not function if the
current folder only contains one track.When you start the scan search, play
-
back option
Normal sequence
is activat
-
ed automatically. Therein scan search
is restricted to the current folder.
Fast forward/reverse Playback options


60 AudioMP3 operation
Use
 or  to select a different op
-
tion.

Press
.
The option is switched on. A corresponding display will appear in
the status bar for all options except Normal sequence
.
An option will remain activated even if
the COMAND 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.