Page 84 of 242
82 Audio
AUX operation
AUX operation
An external audio source can be
connected to the COMAND via the 1/8"
socket located inside the glovebox.
ML class illustrated
11/8“ socket
Open the Audio menu (page 42).
Press the AUX soft key.
The AUX menu is displayed. The exter-
nal audio source is played back if it is
connected and switched to playback.
AUX menu
At the COMAND, you can set the following
for the AUX operation:
Volume (page 35)
Balance control and fader (page 36)
Bass and treble control (page 37)
Sound functions* (page 38)i
Vehicles equipped with a Rear Seat En-
tertainment* (
page 87) system do
not include the 1/8" AUX socket. The
audio signal from the Rear Seat Enter-
tainment* system is the permanent
AUX source.
i
For instructions on how to operate the
external audio source, please see the
operation manual of the device con-
nected.
Page 85 of 242
83 Rear Audio/Video*
Rear Audio operation*
Rear Seat Entertainment (RSE) operation*
Page 86 of 242

84 Rear Audio/Video*
Rear Audio operation*
Rear Audio operation*
Both 1/8" sockets 1 are located in the
Rear climate control panel at the back of
the center console. You can connect one
headset to each socket.
11/8“ sockets
Gently push the headset connector into
the socket 1.
The following functions are available when
using the Rear Audio feature
Select the audio source
Switch off
Adjust headset volume
WarningG
The driver should not operate any of the
Rear Audio features at the Rear climate
control panel while driving the vehicle under
any circumstances. These features can
distract the driver from traffic conditions
and should only be operated by the rear seat
occupants.
Similarly, the driver should not wear a Rear
Audio 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
drivers horn, etc).
WarningG
When not in use, headsets 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.
WarningG
Due to a potential choking hazard, wired
headset usage by children should only occur
with adult supervision.
i
Only use 32 Ohm headsets.
For further information please contact
an authorized Mercedes-Benz Center.
Connecting headsets
Page 87 of 242

85 Rear Audio/Video*
Rear Audio operation*
At the COMAND open the Audio menu
(
page 42).
Press the Rear soft key.
The Rear menu will appear.
Rear menu
Push the joystick to g or G to
select the audio source you want.
Press E.
The audio source is selected. Playback
begins.
Selecting the audio source
i
You can select different audio sources
for the COMAND and the Rear Audio
operation*. The selected audio source
for the COMAND will playback through
the speakers while the selected audio
source for the Rear Audio will playback
through the headset(s). The Rear Audio
source is the same for both headset
sockets.
i
The factory setting is Off _, so you
can not hear an audio source via the
headset.
If a MP3 CD is loaded into the CD drive,
MP3 will appear instead of CD.
The
CD and SAT options are
available if a CD changer* and a
satellite radio* equipment (with
subscription to satellite radio service
provider) are connected to the
COMAND.
i
In vehicles equipped with a Rear Seat
Entertainment* system (
page 87)
the audio signal from the Rear Seat
Entertainment system is the
permanent AUX source.
i
An audio source, e.g. CD for CD
drive, will appear greyed out, if e.g.
there is no CD loaded in the slot.
Loading a CD (
page 53).
i
Voice instruction during route
guidance, telephone ringing or a
caller’s voice is not heard via the
headset.
Page 88 of 242
86 Rear Audio/Video*
Rear Audio operation*
Push the joystick g or G to select
Off.
Press E.
The Rear Audio operation* is switched
off.
To switch on again, select an audio
source and press E.
If the position of the volume knob 1 is
in, push it in and then release.
Turn the knob to the desired volume
level.
1Volume knobs
Switching off
Adjusting the volume
i
Both volume knobs are located in the
Rear climate control panel at the back
of the center console. There are two
possible positions for each knob, in or
out. Volume adjustment is only
possible when the knob is out.
Page 89 of 242

87 Rear Audio/Video*
Rear Seat Entertainment (RSE) operation*
Rear Seat Entertainment (RSE) operation*
Tips on caring for your DVDs
Treat DVDs with care to prevent
malfunctions during playback.
Do not scratch, touch or soil your
DVDs.
Do not attach labels to or write on your
DVDs.
From time to time, clean your DVDs
with a commercially available cleaning
cloth. Never wipe circularly, but in a
straight line from inside to outside.
After use, put your DVDs into the DVD
box.
Protect your DVDs from high
temperatures and direct sunlight.
WarningG
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 co-
ver.
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.
WarningG
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.
WarningG
Due to a potential choking hazard, wired
headset usage by children should only occur
with adult supervision.
General information on CD/DVD
operation
Page 90 of 242

88 Rear Audio/Video*
Rear Seat Entertainment (RSE) operation*
Multi session discs
With multi session discs, the content of the
first session determines how the RSE CD/
DVD player treats the CD.
For example, if the first session contains
data in audio CD format and the second
session contains data in MP3 format, the
RSE CD/DVD player will treat the CD as a
conventional audio CD.The following file and disc formats can be
played in the RSE CD/DVD player:
Audio CD which bears the below label
CD-R and CD-RW containing MP3 files
or CDDA files with title text.
DVD-Video which bears the below label
DVD-R, DVD+R, DVD-RW and DVD+RW
containing video content.
Tips on creating MP3 CDs (
page 71)
Tips on copyright (
page 73)
i
Your RSE CD/DVD player has been de-
signed to play CDs/DVDs which corres-
pond to the IEC 60908 standard. You
can therefore only use CDs with a maxi-
mum thickness of 1.3 mm.
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.
i
CDs, software and hardware for writing
data to CDs vary widely. Therefore, we
cannot guarantee that the system will
be able to play every user-written CD.
i
The system may not be able to play
copied CDs or those with copy
protection.
!
Do not attach labels of any type to the
CD. They may become detached and
damage the drive.
!
Do not play single CDs (80mm) with an
adapter. An adapter could become
stuck and damage the drive. Only use
12 cm diameter CDs.
Permissible CDs/DVDs
Page 91 of 242

89 Rear Audio/Video*
Rear Seat Entertainment (RSE) operation*
You can operate the RSE via
the Remote control and
the button panel at the front on the two
rear monitors.
Point the remote control with the
infrared transmitter 1 at the receiver
diode l on one of the two rear
monitors.
Switching between the rear monitors
Move the left/right monitor switch 3
on the right side of the remote control
to switch between the left monitor and
the right monitor.Soft key selection via remote control
Turn the thumb wheel up or down.
You navigate through the soft keys. The
corresponding soft key on the selected
rear monitor changes its color.
Press the thumb wheel.
The function is selected.
DVD playback requirements
i
Some DVDs may not comply with the
NTSC or PAL TV playback standards.
Sound, picture and other playback
problems may occur when you play
such DVDs.
The RSE CD/DVD player can playback
video DVDs meeting the following
requirements:
Correct regional code
NTSC or PAL TV standard
The appropriate information is usually
given either on the DVD or the DVD
box. The factory setting of the RSE CD/
DVD player is regional code 1. The
setting can be changed at an
authorized Mercedes-Benz Center. This
will allow you to playback video DVDs
with other regional codes, as long as
they comply with the NTSC or PAL TV
standard.
Operating the Rear Seat
Entertainment* (RSE)