
:Current settingXSelect the Logic7®
ON or Logic7 ®
OFF
setting by turning cVd the COMAND
controller and press W to confirm.
Depending on your selection, surround
sound is switched on or off and the menu
is exited.XTo exit the menu without saving: press
the % back button or slide XVY the
COMAND controller.
i Please bear the following in mind:
For an optimum audio experience on all
seats when Logic7 ®
is switched on,
balance and fader should be set to the
center of the passenger compartment.
You will achieve the best sound results by
playing high-quality audio and video DVDs.
MP3 tracks should have a bit rate of at least
128 kbit/s.
Surround-sound playback does not
function for mono signal sources, such as
AM radio mode.
If radio reception is poor, e.g. in a tunnel,
you should switch off Logic 7 ®
, as it may
otherwise switch between stereo and
mono and cause temporary sound
distortions.
On some stereo recordings, the sound
characteristics may differ from
conventional stereo playback.
Bang & Olufsen sound system
Vehicles with a Bang & Olufsen sound system:
There are two settings available with True
Image ™ sound technology:
R reference
This setting provides a crisp, clear, luxury
high-end sound setting for a studio
atmosphere in your vehicle.
R 3D Sound
This setting enables a wide-ranging sound
experience for playing music and videos.
The Sound Mode function can be used to
optimize the selected sound setting for one
seat. The settings left, all and right can
be selected.
The Bang & Olufsen sound system provides
the following operating modes:
R radio (FM only)
R audio CD
R audio DVD (MLP, dts, PCM and Dolby
Digital audio formats)
R MP3
R Media Interface
R video DVD (PCM, dts and Dolby Digital
audio formats)
R AUX
Because some DVDs contain both stereo and
multichannel audio formats, it may be
necessary to set the audio format
( Y page 227).
Discs which support the audio formats
mentioned have the following logos:
Dolby ®
Digital
At a glance137COMANDZ

dts™
MLP™
Selecting settings for the Bang & Olufsen
sound system
Calling up the selection menu
XSelect Sound.XHighlight Bang & Olufsen .XPress W.
A selection menu appears.
A # dot in front of an entry indicates the
current setting.
Selecting the setting for True Image™
XTurn cVd or slide ZVÆ and highlight
reference or 3D Sound .XPress W.
Selecting sound mode
XSelect Sound Mode in the selection menu.XTurn cVd or slide ZVÆ and highlight left,
all or right .XPress W.XTo exit the menu: press the % back
button beside the COMAND controller.
or
XSlide XVY.
i
Please bear the following in mind:
You will achieve the best sound results on
your Bang & Olufsen sound system by
playing high-quality audio DVDs and CDs.
MP3 tracks should have a bit rate of at least
224 kbit/s.
When playing using an iPod ®
, the bit rate
should also be at least 224 kbit/s.
For optimum playback quality:XDeactivate the EQ setting on the
iPod ®
.
Surround-sound playback does not
function for mono signal sources, such as
the medium wave range (MW) in radio
mode.
On some stereo recordings, the sound
characteristics may differ from
conventional stereo playback.
Rear Seat Entertainment System
Components
Overview
The Rear Seat Entertainment System
comprises:
R two screens for the rear behind the front-
seat head restraints
R two remote controls
R a CD/DVD drive
R AUX jacks on both screens (display AUX)
and on the CD/DVD drive (drive AUX)
R two sets of cordless headphones
138At a glanceCOMAND

Selecting a menu/menu item and
confirming your selectionXPress the =;9: buttons to
select the menu/menu item and press the
9 button to confirm.
CD/DVD drive and AUX jacks
The CD/DVD drive is located in the center
behind the front seats.
:CD/DVD slot;AUX, right-hand (R) jack for audio signal=AUX, left-hand (L) jack for audio signal?AUX, jack for video signal (V)ACD/DVD eject button
The AUX jacks shown are for the AUX drive.
Identical jacks can be found on the right-hand
side of the rear-compartment screens (AUX
display), ( Y page 139).
At a glance141COMANDZ

Notes on USB devices
R In order to keep the initialization time to a
minimum, store only music data on a USB
device.
R Approximately 10,000 tracks are
supported. Multiple partitions should be
used for larger numbers of tracks.
R Do not use USB extension leads or
adapters. They can impair functionality.
R A background search of the USB device is
performed and any playlists found are
shown in a separate category in addition to
the folders. Initialization of larger USB mass
storage devices containing a large number
of files may take several minutes.
i DRM (Digital Rights Management)
protected files are not supported by the
Media Interface.
Audio AUX mode
Notes on audio AUX mode
You can connect an external audio source
(AUX) to COMAND. The socket for this is
located in the glove box.
If COMAND is equipped with a Media
Interface, external audio sources are
connected using the corresponding cable set.
An AUX socket is not provided.
i You can find more information on the
Internet at http://www.mercedes-
benz.com/connect and in the "Media
Interface mode" section ( Y page 233).
Activating audio AUX mode
When you connect an external audio source,
audio AUX is not selected automatically.
XSelect Audio in the main function bar by
sliding ZV and turning cVd the COMAND
controller and press W to confirm.XSelect AUX using cVd and press W to
confirm.
The audio AUX menu appears. The medium
in the external audio source is played, if the
source is connected and playback
selected.
Please see the respective operating
instructions for how to operate the external
audio source.
You will find details on volume ( Y page 134)
and sound ( Y page 135) settings in the "At a
glance" section.
GWARNING
External audio sources may have different
volumes, which can mean that system
messages such as traffic announcements and
navigation system announcements are much
louder. If necessary, please deactivate the
system messages or adjust their volume
manually.
Increasing the volume
In some cases, the volume of the AUX device
may be quieter or louder, or the usual
maximum possible volume cannot be
reached. On some devices, it is possible to
adjust the volume separately. In this case,
start at a medium volume and increase it
gradually. This enables you to determine
whether the system is able to play tones at
high volume without distorting them.
Audio239COMANDZ

Setting the language and audio format
This function is not available on all DVDs. If it
is available, you can set the DVD menu
language, the audio language or the audio
format. The number of settings is determined
by the DVD content. It is possible that the
settings may also be accessed in the DVD
menu ( Y page 244).
XPress W the COMAND controller to show
the menu.XSelect DVD-V in the menu by turning cVd
the COMAND controller and press W to
confirm.XSelect DVD Functions and press W to
confirm.XSelect Audio Language and press W to
confirm.
In both cases, a menu appears after a few
seconds. The # dot in front of an entry
indicates the currently selected language.XSelect a setting by turning cVd the
COMAND controller and press W to
confirm.XTo exit the menu: slide XVY the COMAND
controller.
Subtitles and camera angle
These functions are not available on all DVDs.
The number of subtitle languages and camera
angles available depends on the content of
the DVD. It is possible that the settings may
also be accessed in the DVD menu
( Y page 244).
XPress W the COMAND controller to show
the menu.XSelect DVD-V in the menu by turning cVd
the COMAND controller and press W to
confirm.XSelect DVD Functions and press W to
confirm.XSelect Subtitles or Camera angle and
press W to confirm.
In both cases, a menu appears. The # dot
in front of an entry indicates the current
setting.XSelect a setting by turning cVd the
COMAND controller and press W to
confirm.XTo exit the menu: slide XVY the COMAND
controller.
Interactive content
DVDs can contain interactive content (e.g. a
video game). In a video game, for example,
you may be able to influence events by
selecting and triggering actions. The type and
number of actions depend on the DVD.
XSelect an action by sliding ZVÆ or XVY the
COMAND controller and press W to
execute it.
A menu appears and the first entry,
Select , is highlighted.XPress W the COMAND controller.
AUX video mode
AUX jacks
An external video source (video AUX) can be
connected to COMAND via the media
interface (Y page 233) using the AUX jacks in
the glove box.
i In vehicles with a rear view camera, the
video AUX jack cannot be used for external
video sources.
Video245COMANDZ

Switching to video AUX modeXSelect Video in the main function bar by
sliding ZV and turning cVd the COMAND
controller and press W to confirm.
If video AUX mode was the last mode
selected, it will now be active.
If another video source is switched on, you
can now switch to video AUX mode in the
video menu.XSelect Video and press W to confirm.XSelect AUX and press W to confirm.
The video AUX menu appears. You will hear
and see the content of the external video
source if it is connected and switched to
playback.
For details on how to operate the external
video source, see the respective device's
operating instructions.
Showing/hiding the menu
XTo show: press W the COMAND
controller.XTo hide: slide ZV the COMAND controller
and confirm Full screen by pressing W.
Volume and sound settings
You will find details on volume ( Y page 134)
and sound ( Y page 135) settings in the "At a
glance" section.
GWARNING
External video sources may have different
volumes, which can mean that system
messages such as traffic announcements and
navigation system announcements are much
louder. If necessary, please deactivate the
system messages or adjust their volume
manually.
i In some cases, the volume of the AUX
device may be quieter or louder, or the
usual maximum possible volume cannot be
reached. On some devices, it is possible to
adjust the volume separately. In this case,
start at a medium volume and increase it
gradually. This enables you to determine
whether the system is able to play the
music at high volume without distorting it.
Rear Seat Entertainment System
General information
Important safety notes
GWARNING
The RSE CD/DVD player 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 RSE CD/DVD
player does not contain any parts which can
be serviced by the user. For safety reasons,
have any necessary service work performed
by qualified personnel.
GWARNING
The driver should not wear a Rear Seat
Entertainment headset while operating the
vehicle under any circumstances. The use of
a headset while driving the vehicle could
drastically impair the ability to react to audible
traffic conditions (e.g. emergency sirens from
police/fire/ambulance, another car's horn,
etc.).
GWARNING
When not in use, headsets or external video
sources should be stored in a safe location
(e.g. one of the vehicle's storage
compartments) so that they are not loose
within the passenger compartment during
braking, vehicle maneuvers or a traffic
accident. Objects moving within the
passenger compartment could cause serious
personal injury to vehicle occupants.
GWARNING
Due to a potential choking hazard, wired
headset usage by children should only occur
with adult supervision.
246Rear Seat Entertainment SystemCOMAND

headphones as shown to prevent the
batteries from falling out.XRemove the discharged batteries from the
tray.XInsert the new batteries. Observe the
polarity markings on the batteries and
battery tray when doing so.
Left-hand battery: The positive pole (+)
must face upwards.
Right-hand battery The positive pole (+)
must face downwards.XTo close the battery compartment:
press battery compartment cover
downwards until it engages into place.
If the batteries have been inserted
correctly, the indicator lamp will light up
green when the headphones are switched
on.
Basic functions
Using headphones
i Vehicles intended for sale in the USA are
equipped with cordless headphones.
Corded headphones are available for the
Canadian and other markets.
You can use the cordless headphones
supplied and/or up to two sets of corded
headphones connected to the corresponding
jack of the rear-compartment screens
( Y page 139).
You will find information on the following
topics in the "Cordless headphones" section
( Y page 142).
R Switching the cordless headphones on/off
R Adjusting the volume of the headphones
R Selecting a screen for the headphones
Using the main loudspeakers
This function is available in conjunction with
COMAND.
You can use the vehicle loudspeakers to
listen to a disc inserted in the rear-
compartment drive. To do so, at least one of
the rear-compartment screens must be set to
disc mode.XTo set operation via the main
loudspeakers: press the R function
button on the center console once or twice.XSelect Audio by sliding ZV the COMAND
controller and press W to confirm.
The Audio menu appears.XSelect Rear by turning cVd the COMAND
controller and press W to confirm.
i
The headphones' volume setting does not
affect the main loudspeakers.
Adjusting the sound settings
You can select the sound settings in the audio
CD/DVD/MP3, video DVD and AUX modes.
XSwitch on an audio operating mode (e.g.
audio CD mode).XSelect Treble or Bass using
the :=; buttons on the remote
control and press the 9 button to confirm.
An adjustment scale appears.XSelect a setting using the 9:
buttons and press the 9 button to confirm.
Multiple users
Simultaneous use of the rear-
compartment disc drive
The two rear-compartment screens can be
operated almost entirely independently from
one another. However, there can be a conflict
in some menus if the two screens are used
simultaneously.
If the rear-compartment disc drive is being
used for both screens simultaneously,
selecting certain menus or settings on one of
the screens also affects the other screen.
The following functions affect both screens:
R changing playback options
R selecting a track (from a track list or folder)
R using the play, pause and stop functions
R fast forwarding/rewinding or scrolling
248Rear Seat Entertainment SystemCOMAND

Rcalling up the DVD menu and navigating
within it
R setting the language, subtitles and camera
angle
R calling up interactive DVD content
The following functions affect only one
screen:
R audio and video functions as well as picture
settings
R switching between full screen and the
menu
Switching between operating modes
When you exit an operating mode (e.g. audio
CD mode), the current setting is saved. If you
call up this operating mode again later, there
are two possibilities:
R the operating mode has been changed on
the other screen.
R the operating mode has not been changed.
In the first case, the operating mode appears
as it is on the other screen.
In the second case, the setting appears on the
screen as it was when you last exited the
operating mode.
Picture settings
Overview
You can select these settings in video DVD
and AUX mode. Instructions for AUX mode
are detailed later ( Y page 258).
Adjusting the brightness, contrast and
color
XSwitch on video DVD mode ( Y page 241).XTo show the menu: press the 9 button
on the remote control.
or
XSelect Menu while the navigation menu
( Y page 241) is shown and press the 9
button to confirm.XIn both cases, select Video DVD using
the :=; buttons and press the
9 button to confirm.XSelect Brightness , Contrast , Color or
Auto using the 9: buttons and
press 9 to confirm.
An adjustment scale appears.XSelect a setting using the 9:
buttons and press the 9 button to confirm.
Changing the picture format
XTo show the menu: press the 9 button
on the remote control.
or
XSelect Menu while the navigation menu
( Y page 241) is shown and press the 9
button to confirm.XSelect Video DVD using
the :=; buttons and press the
9 button to confirm.
The ä symbol in front of the Auto, 16:9
Optimized , 4:3 or Widescreen menu item
indicates the format currently set.XSelect a format using the 9:
buttons and press the 9 button to confirm.
System settings
Note
You can adjust almost all system settings
individually for each screen without affecting
the other screen. You make these settings
using the remote control.
Selecting the display language
XSelect System using the 9=;
buttons on the remote control and press
the 9 button to confirm.
You see the system menu on the selected
rear screen.Rear Seat Entertainment System249COMANDZ