2007 MERCEDES-BENZ SL-Class CD changer

34 At a glance
Quick reference COMAND

Quick reference COMAND
Switching on
Turn the key in the steering column
lock to position 1 or 2.
or
Press e.
In both cases, the system will activate
the operating mode which was active
when the system was switched off.Switching off
Turn the key in the steering column
lock to position 0 and pull the key out.
or
Press e.
The volume is adjusted jointly for the
telephone*, the navigation system and the
Voice control system.
The volume setting applies to other
operating modes as well: Radio, CD,
CD changer, MP3-CD and DVD.
When you adjust the volume, the system
will automatically store the setting for the
current operating mode. The volume for
the navigation announcements can only be
changed while an announcement is being
made.
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You have the following options to
control the system:
at the COMAND
at the multifunction steering wheel
(refer to vehicle Operator’s Manual)
using the Voice control system*
(refer to separate operating
instructions for further information)
This Operator’s Manual describes the
control at the COMAND.
Unless otherwise indicated, the
descriptions and illustrations refer to
the COMAND.
Switching the COMAND control unit
on and off
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If the key is not in the steering lock in
position 1 or 2, the system will
automatically stop after around 30
minutes. A warning is displayed prior to
the system switching off.
Volume

36 At a glance
Quick reference COMAND
Common balance settings apply to the
following sytems:
Radio operation
Single CD operation (CD)
CD changer operation (CD)
MP3-CD operation
DVD operation
Satellite radio
Different balance settings can be set for
navigation and telephone*.The balance settings for navigation
announcements are described at “Audio
settings for the navigation
announcements” (
page 133).
When you change balance settings, the
system will automatically save the settings
for the current operating mode and others.
Setting balance
In Radio, CD, CDC, MP3-CD, DVD or
satellite radio operation:
Press the Balance soft key.
Cross-hairs are displayed. The
horizontal line indicates the balance
setting. You can now make balance
settings.Balance

37 At a glance
Quick reference COMAND
Press H or h.
Move the cross-hairs horizontally and
adjust the balance.
Press E or the Back soft key.
or
Wait until the display changes.
The new setting is saved.Different bass and treble settings are
possible for the following operating
modes:
Radio operation (FM and AM band)
Single CD operation (CD)
CD changer operation (CD)
MP3-CD operation
DVD operation
Satellite radio operation
Navigation operation
The Bass/Treble settings for navigation
announcements are described at “Audio
settings for the navigation
announcements” (
page 133).When you adjust Bass or Treble, the
system will automatically save the settings
for the current operating mode.
Activating the Bass or Treble menu
In Radio, CD, CDC, MP3-CD, DVD or
satellite radio operation:
Press the Bass or Treble soft key.
The Bass or Treble menu will appear.
You can now make bass or treble
settings (
page 38).
Bass and Treble

38 At a glance
Quick reference COMAND
Bass and Treble Control
Activate the Bass or Treble menu
(
page 37).
Press H or h.
Bass or Treble is adjusted.
Press E or the Back soft key.
or
Wait until the display changes.
The new setting is saved.The sound functions will be available for
the following operating modes.
Radio operation
Single CD operation (CD)
CD changer operation (CD)
MP3-CD operation
DVD operation
Satellite radio operation
The following sound functions are
available:
Factory Setting:
COMAND set the sound functions to
factory setting for the active source
mode.
Default:
COMAND set the sound linear for the
center of the vehicle.
Speech optimized:
Playback optimized for language
comprehensibility.
You can use different sound functions for
the modes mentioned above.
Example:
For CD operation the function
Default, for DVD operation the function
Speech optimized.
Sound functions

42 Audio
Audio menu

Audio menu
In chapter “Audio” you will find detailed
information regarding
Radio operation
CD operation (CD drive, CD changer)
MP3-CD operation
DVD operation
If you have not done so already, please fa-
miliarize yourself with these functions by
reading chapter “At a glance”.
Press A.
Audio menu
If an audio submenu is displayed, press
the
Back soft key until the Audio menu
is displayed.
or
Press A again.
In the Audio menu, press the soft key
for the desired audio source, e.g.
Radio.
Switching On
Press J.
The system mutes the active audio
source.
Switching off
Press J again.
or
Press A, B, g or h or any
of the available soft keys for the active
audio source.
Opening the Audio menu Selecting an audio source
Muting

52 Audio
CD operation

CD operation
General Information on CD operation
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 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.
WarningG
The CD drive and CD changer are Class 1 la-
ser products. There is a danger of invisible
laser radiation when you open or damage
the cover.
Do not remove the cover. The CD drive and
the CD changer do not contain any parts
which can be serviced by the user. For safe-
ty reasons, have any necessary service work
performed by qualified personnel.
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Only use CDs, which bear the label
shown and that conform to the compact
standard (IEC 60908). You can there-
fore only use CDs with a maximum
thickness of 1.3 mm.
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The COMAND CD drive may not be able
to play audio CDs with copy protection
or copied CDs.
!
Use only CDs with a diameter of 12 cm,
do not use 8-cm CDs.
An 8-cm CD adapter may cause dama-
ge to the CD changer or to the
COMAND and should not be used.
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Your CD drive has been designed to
play CDs which correspond to the IEC
60908 standard.
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 drive.

53 Audio
CD 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.Playback locations for CDs are:
the CD drive in the COMAND
the CD changer.
CD drive
The CD drive in the COMAND can playback
audio CDs and MP3-CDs (
page 63). The
slot of the drive is above the display. When
playing MP3 CDs in the CD drive, only the
first 99 tracks will be played back in
successive order. After that, playback will
begin with track 1 of the MP3 CD.
CD changer
The CD changer can accomodate up to 6
audio or MP3-CDs. It is located on the left-
hand side behind the driver’s seat.When playing MP3 CDs in the CD changer,
only the first 99 tracks will be played back
in successive order. After that, playback
will begin with track 1 of the MP3 CD.
Folder selection (
page 69), (page 72)
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 by the CD
changer, followed by MP3 tracks until 99
tracks are reached.
In MP3 mode the CD changer can read
CD-R and CD-RW CDs.
Refer to additional MP3 information:
Permissible file systems (page 64)
Permissible MP3 formats (page 66)
Permissible bit and scan rates
(
page 66)
Tips on caring for your CDsPlayback information

54 Audio
CD operation
Differences regarding the CD mode depen-
ding on the audio source are highlighted.
In the Audio menu (page 42), press
the
CD soft key (for CD drive) or
the
CD soft key (for CD changer).
CD changer main menu
1CD changer CD or CD drive CD
2Current track/number of tracks on the
current CD
3Elapsed playback time of the current
trackSwitching to CD operation
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The CD-Mag soft key is only assigned
when the CD changer contains at least
one disc.
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
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.
i
The COMAND may be unable to
playback audio CDs provided with copy
protection.