Page 68 of 237

8 IntroductionSymbols
SymbolsYou will find the following symbols in these
operating instructions:
* The asterisk identifies optional
equipment. Since not all models
have the same standard equip-
ment, your COMAND system equip-
ment may deviate from some
descriptions and illustrations.
This symbol points to instructions for
you to follow.
A number of these symbols appearing
in succession indicates a multiple-step
procedure.
The continuation symbol
marks an interrupted proce-
dure which will be continued
on the next page.
(
page 9) This symbol tells you where
to look for further infor-
mation on this subject.
-> This symbol is used in the
glossary. It indicates that
the term immediately follo-
wing the symbol is also exp-
lained in the glossary.
Display
Messages, menu items or
soft key names appearing in
the COMAND color display
are printed in the type
shown here.
Warning
G
Warning notices draw your attention to ha-
zards that may endanger your health or life,
or the health or life of others.!Highlights hazards that may result in
damage to your COMAND.iHelpful hints or further information you
may find useful.
Page 69 of 237

9 Introduction
Operating safety
Operating safety
Warning
G
Any alterations made to electronic compo-
nents and the software can cause malfunc-
tions.
The radio, amplifier, CD changer*, satellite
radio*, telephone* and navigation module
are interconnected. When one of the com-
ponents is not operational or has not been
removed/replaced properly, the function of
other components may be impaired.
This condition might seriously impair the
operating safety of your vehicle.
We recommend that you have any service
work on electronic components carried out
only by qualified personnel.
Warning
G
In order to avoid distraction which could
lead to an accident, the driver should enter
system settings with the vehicle at a stand-
still and operate the system only when road,
weather and traffic conditions permit.
Bear in mind that at a speed of just
30 mp/h (approximately 50 km/h), your car
is covering a distance of 44 feet (approxima-
tely 14 m) every second.
COMAND supplies you with information to
help you select your route more easily and
guide you conveniently and safely to your
destination. For safety reasons, we encoura-
ge the driver to stop the vehicle in a safe
place before answering or placing a call, or
consulting the COMAND screen to read na-
vigational maps, instructions, or downloa-
ded information.
While the navigation system provides direc-
tional assistance, the driver must remain fo-
cused on safe driving behavior, including
attention to traffic and street signs, and
should utilize the system’s audio cues while
driving.
The navigation system does not supply any
information on stop signs, yield signs, traffic
regulations or traffic safety rules. This al-
ways remains your personal responsibility
when you drive. DVD maps do not cover all
areas nor all routes within an area.
Page 94 of 237

34 AudioRadio operation
Radio operationIn chapter “Audio” you will find detailed
information regarding
radio operation
CD operation (CD drive, CD changer*)
AUX 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.
Switching On
Press J.
The system mutes the active audio
source and theß symbol is displayed
in the status bar. The soft keys on the
left side are greyed out in some
submenus.
Switching off
Press J again.
or
Turn the rotary control at the e key to
adjust the volume.
or
Press g or h.
The soft keys on the left side are
selectable again.
Warning
G
In order to avoid distraction which could
lead to an accident, the driver should enter
system settings with the vehicle at a stand-
still and operate the audio system only if
permitted by road, weather and traffic con-
ditions.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is co-
vering a distance of 44 feet (approximately
14 m) every second.
Opening the Audio menuiThe
CD
soft key is available if a CD
changer* is connected to the
COMAND.
Selecting an audio sourceMuting
Page 104 of 237

44 AudioCD operation
CD operationGeneral Information on CD operationWarning
G
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.
Health hazard
G
The CD drive and CD changer* are Class 1
laser 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.iOnly 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.
iThe system may not be able to
play 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 drive and to the CD chan-
ger* and should not be used. iYour CD drive has been designed to
play CDs which correspond to the EN
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.
Page 105 of 237
45 Audio
CD operation
Only touch the CD on the sides.
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.Ejecting/loading a CD into the CD driveTips on caring for your CDs
Loading CDsWarning
G
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.
iThere are two l buttons. One is on
the display unit. The other is located
left of the CD AUDIO slot behind the
display, see next page.
Page 107 of 237

47 Audio
CD operation
1Ejecting audio CD
2Opening/closing the display unit
3Warning message
Press EJECT to
close
With the COMAND switched on, press
l.
The display unit moves forward and
then tilts down. The CD AUDIO slot is
visible.
Press the l button left of the
CD AUDIO slot to eject a CD already
loaded.
Remove the CD from the slot.
Insert a CD into the slot. The CD should
be inserted with the label side up.
The COMAND pulls the CD in.
Press l on the display unit to return
the display unit to its closed position.
The display unit tilts up and then moves
to the rear.
Playback begins with track number
one.
The message
CD error
will appear if
there is a media error.
Remove the CD or switch to
another operation.
Warning
G
The display unit can cause injury if
contacted when open. Please close after
inserting an audio CD. !Do not place anything on the lowered
display panel. Placing objects on the
lowered display panel may result in
damage to the display or COMAND
unit which is not covered by the
Mercedes-Benz Limited Warranty.
iInserting a second CD with another CD
still loaded will cause damage to the
CD drive which is not covered by the
Mercedes-Benz Limited Warranty.
iThe message
Press EJECT to
close
will appear. If l on the
display unit is not pressed within 20
seconds, eight successive series of two
beep tones will sound to remind you to
return the display to its closed position
by pressing l on the display unit.
The active audio source will be muted
until the display has been returned to
its closed position.
Page 130 of 237

70 Telephone*Important notes
Important notesIn chapter “Telephone”, you will find de-
tailed information regarding the telepho-
ne*, including emergency call.
1 Observe all legal requirementsWarning
G
Some jurisdictions prohibit the driver from
using a cellular telephone while driving a ve-
hicle. Whether or not prohibited by law, for
safety reasons, the driver should not use the
cellular telephone while the vehicle is in mo-
tion. Stop the vehicle in a safe location be-
fore answering or placing a call.
If you nonetheless choose to use the cellular
phone while driving, please use the hands-
free device and be sure to pay attention to
the traffic situation at all times. Use the cel-
lular phone
1 only when road, weather and
traffic conditions permit.
Never operate radio transmitters equipped
with a built-in or attached antenna (i.e.
without being connected to an external an-
tenna) from inside the vehicle while the en-
gine is running. Doing so could lead to
malfunction of the vehicle’s electronic sys-
tems, possibly resulting in an accident and
personal injury.
!Radio transmitters, such as a portable
telephone or a citizens band unit
should only be used inside the vehicle
if they are connected to a separate ex-
terior antenna that has been approved
by Mercedes-Benz.
Page 135 of 237

75 Telephone*
Telephone operation
You can make an emergency call to an
emergency rescue station with a mobile
communication network.
The emergency call will be placed as long
as the corresponding mobile communicati-
on network is available. To do this, switch
the telephone on if you have not already
done so.
TDMA or CDMA mobile phone
The emergency call will also be placed
if the phone is locked (
page 76).
GSM mobile phone
If no SIM card is in the phone or SIM
PIN is not entered, you can only make
an emergency call at the mobile phone.
Emergency calls may not be possible with
all mobile phone networks or if certain net-
work services and/or telephone functions
are active. Check with your local network
operating company.
If you cannot make an emergency call, you
must initiate rescue measures yourself.
Emergency call “911”iThis function places a call to the local
911 provider. It does not initiate a
Tele Aid* call.
Warning
G
The 911 emergency call system is a public
service. Using it without due cause is a cri-
minal offense.