2007 MERCEDES-BENZ CLS-Class page 66

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 listSelecting via track skip
On the COMAND control unit
Open the MP3 main menu (page 55).
Press+0for 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).
Pressj for forward skipping.
or
Pressk 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
i
Forward skipping:
The next track is played.
i
Backward 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 Audio
MP3 operation
1Current 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..
The Manual track input display ap-
pears.
1Number of tracks in the current folder
(10 tracks)
Entry example: Track 1
Press!.
Entry example: Track 10
Press! 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.
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Entries 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.
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The 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 activated
automatically. Therein scan search is
restricted to the current folder.
Fast forward/reverse
Playback options


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.
Do not expose the CDs to heat or direct
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 CDs
The CD changer can read CD-R and CD-RW
CDs.
Permissible file system
The permitted file system is Joliet for
CD-R and CD-RW.
Permissible MP3 formats
The CD changer supports the following file
formats:
MPEG1 Audio Layer 3
Safety Instructions
WarningG
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 CDs
Switching to CD changer mode
CD changer
MP3 CDs

62 Audio
CD changer* operation
MPEG2 Audio Layer 3
MPEG 2.5 Audio Layer 3
Permissible bit and scan rates
F i x e d a n d va ri a b l e b it ra t e s u p t o 32 0 k b p s
are permissible.
The permissible scan rates can be found in
the table below.Tips on copyright
Please also refer to the tips on copyright
(
page 54).
Playing MP3 CDs
The CD changer can play MP3 CDs as well
a s a u d i o C D s . A l l t h e C D c h a n g e r f u n c t i o n s
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 button
2Control panel faceplate
Press button 1 to open.
The control panel faceplate 2 pivots
up; the CD changer extends and be-
comes accessible.
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In everyday speech, the MPEG1 Audio
Layer 3 format has been replaced by
the designation “MP3”.
File formatScan rate
MPEG1
Audio Layer 332 kHz, 44.1 kHz,
48 kHz
MPEG2
Audio Layer 316 kHz, 22.5 kHz,
24 kHz
MPEG2.5
Audio Layer 38 kHz, 11.025 kHz,
12 kHz
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It is recommended to use MP3 tracks
w i t h a b i t r a t e o f 1 2 8 k b p s o r h i g h e r a n d
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.
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Depending 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 slot
2Magazine compartment buttons
Retracting the CD changer
Loading CDs
WarningG
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.
i
Th e C D c h a n g e r m a y n o t b e a b l e t o p l a y
audio CDs with copy protection.

64 Audio
CD changer* operation
The 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-
ments
Initial 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 slot
2Magazine compartment buttons
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Loading 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 li g ht s u p
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 slot
2Magazine 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.
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If, 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