Page 41 of 232

41 At a glance
Quick reference COMAND
If your vehicle is equipped with the
premium sound system*, the sound
functions* will be available for the
following operating modes:
Radio: FM-, AM- and
Weather (WB) bands
Single CD (CD) and CD changer*
(
CD)
MP3 CD operation
AUX
Satellite radio*The following sound functions* are
available:
Default Settings:
COMAND sets the default settings
(Bass, Treble, Bal/Fad) for the active
source mode.
Standard:
COMAND sets the sound linear for the
center of the vehicle.
Speech:
Playback optimized for language
comprehensibility.
LOGIC7 Surround:
Surround playback.
You can use different sound functions* for
the modes mentioned above.
E.g.:
For radio operation the function
Standard, for CD operation the function
LOGIC7 Surround.
Sound functions*i
LOGIC7 Surround sound offers a sound
quality superior to conventional stereo
sound.
If the radio reception is poor, the
system should be switched back to
standard stereo playback. Switching
back to standard stereo playback may
improve audio quality.
Page 42 of 232

42 At a glance
Quick reference COMAND
Activating the sound functions*
In any audio source operation:
Activate the main menu for the
respective operating mode
(
page 34).
Press the Sound soft key.
The Sound menu will appear.
Push the joystick to g or G to
select the desired function.
Press E.
The function is activated.The Rear view camera is activated by
shifting into reverse gear. The area behind
the vehicle appears in the COMAND
screen if COMAND is already switched on.
If COMAND is switched on while in reverse,
the Rear view camera display will appear
immediately following the COMAND start-
up screens.
Switch back to the COMAND operating
mode
Shift into P, N or D.
or
Press A, b, c, {, a,
B while in reverse to activate the
corresponding main menu (
page 34).
Rear view camera*
(except CLK-Class)i
The following audio sources remain
available while the Rear view camera is
activated:
FM/AM radio, Weather band WB
CD (CD drive, CD changer*)
MP3 CD
AUX (RSE, if equipped)
Satellite radio*
Telephone (ringing, talking)
Navigation announcements
For additional information about the
Rear view camera please refer to the
separate Operator’s Manual.
Page 43 of 232
43 Audio
Audio operation
Radio operation
CD operation
CD changer* operation
MP3 CD operation
AUX operation
Page 44 of 232
44 Audio
Audio operation
Audio operation
In chapter “Audio” you will find detailed
information regarding
radio operation
CD operation (CD drive, CD changer*)
MP3 CD operation
AUX operation
If you have not done so already, please
familiarize yourself with these functions by
reading chapter “At a glance”.
Press A.
Audio menu (M, GL and R-Class illustrated)
WarningG
In order to avoid distraction which could
lead to an accident, the driver should enter
system settings 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
m.p.h. (approximately 50 km/h), your
vehicle is covering a distance of 44 feet
(approximately 14 m) every second.
Opening the Audio menu
Page 81 of 232
81 Audio
AUX operation
AUX operation
An external audio source can be
connected to the COMAND via the 1/8"
socket located inside the glove box.
M-Class illustrated
CLK-Class illustrated
11/8“ socket
Open the Audio menu (page 44).
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 38)
Balance control and fader (page 39)
Bass and treble control (page 40)
Sound functions* (page 41)
i
Vehicles equipped with a Rear Seat
Entertainment* (
page 87) system do
not include the 1/8" AUX socket. The
audio signal from the Rear Seat
Entertainment* 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
connected.
Page 85 of 232

85 Rear Audio/Video*
Rear Audio operation* (except CLK-Class)
At the COMAND open the Audio menu
(
page 44).
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 54).
i
Voice instruction during route
guidance, telephone ringing or a
caller’s voice is not heard via the
headset.
Page 91 of 232

91 Rear Audio/Video*
Rear Seat Entertainment (RSE) operation* (except CLK-Class)
FunctionPage
1
Remote control
Infrared transmitter
2Thumb wheel. Turn to
select a soft key and press
to confirm
95
3Left/right monitor switch
4H,h,g,G
Function selection
Press E to confirm
5
Muting
110
6
Not available. Message No
TV
7or
Switching to the external
video source, if connected
or
AUX menu
107
107
8
System menu108
FunctionPage
9
Switching on and off92
a
Switching to the mode
corresponding to the
inserted CD
b Monitor off/on111
cLED112
dGH
Track select
(CD, MP3 CD)
Fast forward/reverse
(CD, MP3 CD, DVD)
Scene/chapter skip (DVD)
96, 100
97, 100,
106
106
eAdjusting the headset
volume
ç Volume down
æ Volume up
95
fBattery compartment
gRetainer clip
hCover
FunctionPage
jLocating lugs
kBatteries - 2 Type AAA 1.5 V
l
Rear monitor
Infrared receiver diode
m
Switching monitor on and
off
92
n
Adjusting the display
brightness
95
o
Adjusting the headset
volume
95
pHeadset connector socket92
q
RSE CD/DVD player
CD/DVD slot
93
rVideo socket and two audio
(L - left, R - right) sockets
94
s Eject button94
Page 94 of 232

94 Rear Audio/Video*
Rear Seat Entertainment (RSE) operation* (except CLK-Class)
The message Please wait,
loading disc...
will appear on the
rear monitor. It may take a while to
load the data.
After loading, the player plays the
loaded medium and the corresponding
menu will appear on the rear monitor.
Ejecting a CD from the RSE CD/DVD
player
1CD/DVD slot
2 Eject button
Slide the protective cover open.
Press .
The message
Press any key to
continue...
will appear.
Within 10 seconds, remove the
medium from the slot 1.
The medium will be pulled in again if it
is not removed from the slot within
approx.10 seconds. The RSE CD/DVD
player starts playing the medium again.
After removing the medium, the
message
Drive empty will appear.
Two external video sources can be
connected to the RSE CD/DVD player via
the video and audio (L - left, R - right)
sockets located on the front panel.
1Video socket
2Audio (L - left, R - right) sockets
Gently push the video and audio
connectors of the external video
source into the AUX 1 and AUX 2
sockets 1 and 2.
The external video source is played
back on the monitor switched to the
corresponding AUX source.
Connecting external video sources
i
For instructions on how to operate the
external video sources, please see the
operation manual of the device con-
nected.
!
When not in use, 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.