
XTo selectapreset list or station list: press
and briefl yholdt he 9 or: button until
the preset list or statio nlistint he desired
frequency rang eisshown.
XTo select astation: brieflypress 9
or :.
SIRIUS XM satellite radio functions like anormal
radio.
For more informatio nonradio operation, see
"Satellite radio "int he separate operating
instructions.
Operatin ganaudiop layer or audio
media
Audio data from various audi odevice sorm edia
can be played ,depen ding on the equipment
installe dinthe vehicle.
XSwitch on the multimedia system and select
audioCDorM P3 mode(seet he separate
operating instructions).
XPress the =or; button on the steering
whee ltoselect the Audiomenu.
XTo select the next/previous track: briefly
press the 9or: button.
XTo select atrack from the track list (rapid
scrolling): press and hol dthe 9 or:
button unti ldesir ed track :appears.
If yo upress and hol dthe 9 or: button,
the rapid scrolling speed is increased .Not all
audi odrives or data carriers support thisf unc-
tion.
If trac kinformatio niss tored on the audio
device or medium, the multifunctio ndisplay
will sho wthe numbe rand titl eofthe track.
VideoDVD operation
XSwitch on the multimedia system and select
video DVD (se ethe separate operating
instructions).
XPress the =or; button on the steering
whee ltoselect the Audiomenu.
XTo select the next or previous scene:
brieflypress the 9or: button.
XTo select ascene from the scen elist
(rapi dscrolling): press and hol dthe 9
or : button unti ldesir ed scene :
appears.
Telephone menu
Introduction
GWARNING
If yo uoperate informatio nsystem sand com-
municatio nequipment integrated in the vehi-
cle whil edriving ,you will be distracted from
traffic conditions. Yo ucould also lose control
of the vehicle. There is ariskofana ccident.
Onlyo perate the equipment when the traffic
situatio npermits. If yo uare not sure thatt his
is possible, park the vehicl epayin gattention
to traffic conditions and operate the equip-
ment when the vehicl eisstationary.
Whe ntelephoning, yo umusto bserve the legal
requirements for the country in which yo uare
currentl ydriving.
XSwitch on the mobil ephone (se ethe manu-
facturer’so perating instructions).
XSwitch on the multimedia system
(Ypage 212).
XEstablis haBluetooth®connectio ntothe mul-
timedi asystem (Ypage 214).
XPress the =or; button on the steering
whee ltoselect the Telmenu.
Menus and submenus169
On-board computer and displays
Z

Operating system
Overview
General notes
!Do not use the space in frontoft he display
for storage. Objects placed here could dam-
age the display or impair its function .Avoid
any direct contact with the display surface.
Pressure on the display surface may result in
impairment stothe display, which could be
irreversible.
Wearing polarized sunglasses may impair your
ability to read the display.
The display has an automatic temperature-con-
trolled switch-off feature. The brightness is
automatically reduced if the temperature is too
high. The display may temporarily switch off
completely.
Cleaning instructions
!Do not touch the display. The display has a
very sensitive high-gloss surface; there is a
risk of scratching .Ifyou have to clean the
screen,h owever, use amild cleanin gagent
and asoft,l int-free cloth.
The display must be switched off and have
cooled down before you start cleaning. Do not
apply pressure to the display surface when
cleanin git, as this could cause irreversible dam-
age to the display.
Switching the multimedia system
on/off
XPress the qcontrol knob.
Adjusting the volume
XTurn the qcontrol knob.
The volume is adjusted:
Rfor the currently selected media source
Rduring traffic or navigation announcements
Rin hands-free mode during aphone call
Switching the sound on or off
XPress the 8button on the control panel.
If the audio output is switched off, the status
line will show the 8symbol. If you switch the media source or set the volume, the sound
is automatically switched on.
iNavigation announcements will be heard
even if the sound is muted.
Functions
The multimedia system has the following func-
tions:
RRadio mode
RMedia mode with media search
RSound systems
RNavigation system
COMAND :navigation via the hard drive
Audio 20: navigation via SD card
RCommunication functions
RSIRIUS Weather (COMAND)
RVehicle function swith system settings
RFavorites functions
Controller
The controller in the center console lets you:
Rselect menu items on the display
Renter characters
Rselect adestination on the map
Rsave entries
The controller can be:
Rturned 3
Rslid left or right 1
Rslid forwards or back 4
Rslid diagonally2
Rpressed briefly or pressed and held 7
Back button
You can use the%button to exit amenu or to
call up the basic display of the currento perating
mode.
XTo exit the menu: briefly press the%
button.
The multimedia system changes to the next
higher menu level in the currento perating
mode.
XTo call up the basic display: press the%
button for longer than two seconds.
The multimedia system changes to the basic
display of the currento peratingmode.
212Operating system
Multimedia system

Favorites
Calling up and exiting favorites
XTo call up :press th eò buttonont hecon-
troller .
XSelectafavorite ,e.g.Vehicl e.
The favorite sare displayed.
XTo exit :press th eò buttonagain .
Adding favorites
Adding apredefined favorite
:Adds anew favorite
;Renames aselected favorite
=Moves aselected favorite
?Deletes aselected favorite
XPress th eò button.
XSlide6thec ontroll er.
The men ubar is shown.
XSelec tReassign.
The categories are displayed.
XSelec tacategory.
The favorite sare displayed.
XSelec tafavorite .
XAddaf avorite at th edesired position .
If af avorite has already been added at this
position ,itwill be overwritten.
Adding youro wn favorite
XSelectVehicl eQClimate Contro l.
XPress and hold th eò buttonuntil th e
favorite sare displayed.
XAddaf avorite at th edesired position .
If af avorite has already been added at this
position ,itwill be overwritten.
Navigation mode
Important safety notes
GWARNIN G
If you operate information systems and com-
munication equipmen tintegrate dinthevehi-
cle while driving ,you will be distracte dfrom
traffic conditions. You could also lose control
of th evehicle. Ther eisariskofana ccident.
Only operate th eequipmen twhen th etraffic
situation permits. If you are no tsure that this
is possible ,park th evehicl epayin gattention
to traffic condition sand operate th eequip-
men twhen th evehicl eiss tationary.
You must observ ethe legal requirements for th e
country in whic hyou are currentl ydriving when
operating th enavigation system.
General notes
Amon gother things, correct functioning of th e
navigation system depend sonGPS reception .In
certai nsituations, GPS reception may be
impaired ,the re may be interferenc eorthere
may be no reception at all, e.g. in tunnels or
parking garages.
Audio 20 is equipped wit hMARGIN
®MA PPILOT
(see th emanufacturer' soperating instructions).
The Garmin
®MA PPILOT operating instruction s
are store dontheSD memory car dasaPDFfile.
The SD car dbox contains aquickg uide .
The followin gdescription sapply to navigation
wit hC OMAND .Further information can be
foun dint heDigital Operator's Manual.
Selecting aroute type and route options
Multimedia system:
XSelec tNav iQNa vigation.
The map shows th evehicle's curren tposition .
XSlide6thec ontroll er.
XSelectOption sQRouteS ettings.
Notes for rout etypes:
REco Route
RDynami cTraffi cRoute(only available in
th eU SA and Canada)
Traffic report sontherout efor th erout eguid-
anc eare taken int oaccount.
Operating system213
Multimedia system
Z

Stowage areas
Stowage spaces
Important safety notes
GWARNING
If object sinthe passenger compartmenta re
stowed incorrectly, they can slide or be
thrown around and hit vehicle occupants. In
addition, cupholders, open stowage spaces
and mobile phone brackets cannot always
retain all object sthey contain. There is arisk
of injury, particularly in the event of sudden
braking or asudden change in direction.
RAlways stow object ssothat they cannot be
thrown around in such situations.
RAlways make sure that object sdonot pro-
trude from stowage spaces, parcel nets or
stowage nets.
RClose the lockable stowage spaces before
startin gajourney.
RAlways stow and secure heavy, hard, poin-
ted, sharp-edged, fragile or bulky object sin
the trunk.
Glove box
XTo open: pull handle :and open glove box
flap ;.
XTo close: fold glove box flap ;upwards until
it engages.
The glove box flap contains brackets for coins,
pens, and credit and service cards.
The glove box can be locked and unlocked using
the mechanical key.
XTo lock: insert the mechanical key into the
lock and turn it to position 2.
XTo unlock:insert the mechanical key into the
lock and turn it to position 1.
Stowage compartment/telephone
compartment under the armrest
XTo open:push button :up and raise arm-
rest ;.
The stowage compartmentc an be locked and
unlocked centrally using the SmartKey
(
Ypage 63).
iDepending on the vehicle equipment, aUSB
port and aMedia Interface is installed in the
stowage compartment. AMedia Interface is a
universal interface for mobile audio equip-
ment,e .g. for an iPod
®or MP3 Playe r.
Stowage areas217
Stowage and features
Z

The system is availableif:
Rit has been activated and is operational
Rthe corresponding mobile phone network is
availablefor transmitting data to the Cus-
tomer Center
Ras ervice subscription is available
Rthe starter battery is sufficiently charged
iDetermining the location of the vehicle on a
map is only possible if:
RGPS reception is available.
Rthe vehicle position can be forwarded to
the Customer Assistance Center.
The mbrace system
To adjust the volume during acall, proceed as
follows:
XPress the WorX button on the multi-
function steerin gwheel.
or
XUse the volume controller of the audio sys-
tem/COMAND.
The system offers various services, e.g.:
RAutomatic and manual emergencyc all
RRoadside Assistance call
RMB Info call
USA only: you can find information and a
description of all availablef eatures under "Own-
ers Online" at http://www.mbusa.com.
System self-test
After you have switched on the ignition, the sys- tem carries out aself-diagnosis.
Am alfunction in the system has been detected
if one of the following occurs:
RThe indicator lamp in the SOS button does not
come on during the system self-test.
RThe indicator lamp in the FRoadside
Assistance button does not light up during
self-diagnosis of the system.
RThe indicator lamp in the ïMB Info call
button does not light up during self-diagnosis
of the system.
RThe indicator lamp in one or more of the fol-
lowing button scontinues to light up red after
the system self-diagnosis:
-SOS button
-F Roadside Assistance call button
-ïMB Info call button
RAfter the system self-diagnosis, the Inoper‐ativeorServiceNotActivatedmessage
appears in the multifunction display.
If am alfunction is indicated as outlined above,
the system may not operate as expected. In the
event of an emergency, help will have to be
summoned by other means.
Have the system checked at the nearest author-
ized Mercedes-Benz Center or contact the fol-
lowing service hotlines:
RUSA: Mercedes-Benz Customer Assistance
Center at 1-800-FOR-MERCedes
(1-800-367-6372)o r1-866-990-9007
RCanada: Customer Service at
1-888-923-8367
Emergency call
Important safety notes
GWARNING
It can be dangerous to remain in the vehicle,
even if you have pressed the SOS button in an emergencyi f:
Ryou see smoke inside or outside of the vehi-
cle, e.g. if there is afire after an accident
Rthe vehicle is on adangerous section of
road
Rthe vehicle is not visible or cannot easily be seen by other road users, particularly when
dark or in poor visibility conditions
There is arisk of an accident and injury.
Leave the vehicle immediately in this or simi-
lar situations as soon as it is safe to do so.
Move to asafe location along with other vehi-
cle occupants. In such situations, secure the
vehicle in accordanc ewith national regula-
tions, e. g. with awarning triangle.
You must have alicense agreement to activate
the mbrace service. Make sure that your system
is activated and operational. To register, press
the ï MB Info call button .Ifany of the steps
222Features
Stowage and features

mentioned are not carried out, the system may
not be activated.
If you have questions aboutthe activation, con-
tact one of the following telephone hotlines:
RUSA: Mercedes-Benz Customer Assistance
Center at 1-800-FOR-MERCedes
(1-800-367-6372) or 1-866-990-9007
RCanada: Customer Service at
1-888-923-8367
General notes
An emergency call is dialed automatically if an
air bag or Emergency Tensioning Device is trig-
gered.
iYou cannot end an automatically triggered
emergency call yourself.
An emergency call can als obeinitiated man-
ually.
As soon as the emergency call has been initi-
ated, the indicator lamp in the SOS button
flashes. The multifunction display shows the
ConnectingC all
message.
The audio outpu tismuted.
Once the connection has been made ,the Call
Connectedmessage appears in the multifunc-
tion display.
All important informatio nonthe emergency is
transmitted, for example:
Rcurrent location of the vehicle( as determined
by the GPS system)
Rvehiclei dentification number
Rinformatio nonthe severity of the accident
Shortly after the emergency call has been initi-
ated, avoice connection is automatically estab-
lished betwee nthe Customer Assistance Center
and the vehicleo ccupants.
RIf the vehicleoccupants respond, the
Mercedes-Benz Customer Assistance Center
attempts to get more informatio nonthe
emergency.
RIf there is no response from the vehicleo ccu-
pants, an ambulance is immediately sent to
the vehicle.
If no voice connection can be established to the
Mercedes-Benz Customer Assistance Center,
the system has been unable to initiate an emer-
gency call.
This can occur, for example, if the relevant
mobilep hone network is not available. The indi- cator lamp in the SOS button flashes continu-
ously.
The
Call Failed
message appears in the mul-
tifunction display and must be confirmed.
In this case, summon assistance by other
means.
Making an emergency call
XTo initiate an emergency call manually:
press cover :briefl ytoo pen.
XPress SOS button ;briefly.
The indicator lamp in SOS button ;flashes
until the emergency call is concluded.
XWai tfor av oice connection to the Mercedes-
Benz Customer Assistance Center.
XAfter the emergency call ,close cover :.
iIf the mobilep hone network is unavailable,
mbrace wil lnot be abl etomake the emer-
gency call .Ifyou leave the vehiclei mmedi-
ately after pressing the SOS button, you will
not know whether mbrace placed the emer-
gency call .Inthis case, alwayss ummon assis-
tance by other means.
Roadside Assistanceb utton
Features223
Stowage and features
Z

XPress Roadside Assistance button:.
This initiates acall to the Mercedes-Benz Cus-
tomer Assistance Center.
The indicator lamp in Roadside Assistance
button :flashes while the call is active. The
multifunction display shows the Connect‐
ing Callmessage. The audio output is
muted.
If ac onnection can be made, the Call Con‐
nectedmessage appears in the multifunction
display.
If am obile phone networ kand GPS reception
are available, the system transfers data to the
Mercedes-Benz Customer Assistance Center,
for example:
Rcurrentl ocation of the vehicle
Rvehicle identification number
iThe display of the multimedia system indi-
cates that acall is active. During the call, you
can change to the navigation menu by press-
ing the NAVI button on COMAND,f or exam-
ple.
iVoice output is not available.
Av oice connection is established between the
Mercedes-Benz Customer Assistance Center
and the vehicle occupants.
From the remotem alfunction diagnosis, the
Mercedes-Benz Customer Assistance Center
can ascertain the nature of the problem
(
Ypage 225).
The Mercedes-Benz Customer Assistance Cen-
ter either sends aqualified Mercedes-Benz tech-
nician or makes arrangements for your vehicle
to be transported to the nearest authorized
Mercedes-Benz Center.
You may be charged for services such as repair
work and/or towing.
Further details are availableiny our mbrace
manual.
iThe system has not been able to initiate a
Roadside Assistance call, if:
Rthe indicator lamp for Roadside Assistance
call button :is flashing continuously.
Rno voice connection to the Mercedes-Benz
Customer Assistance Center was estab-
lished.
This can occur if the relevant mobile phone
networ kisnot available, for example.
The Call Failed
message appears in the
multifunction display.
XTo end acall: press the ~button on the
multifunction steerin gwheel.
or
XPress the corresponding multimedia system
button for ending aphone call.
MB Info call button
XPress MB Info call button :.
This initiates acall to the Mercedes-Benz Cus-
tomer Assistance Center.
The indicator lamp in MB Info call button :
flashes while the connection is being made.
The multifunction display shows the Con‐
nectingCallmessage. The audio system is
muted.
If ac onnection can be made, the Call Con‐
nectedmessage appears in the multifunction
display.
If am obile phone networ kand GPS reception
are available, the system transfers data to the
Mercedes-Benz Customer Assistance Center,
for example:
Rcurrentl ocation of the vehicle
Rvehicle identification number
iThe display of the multimedia system indi-
cates that acall is active. During the call, you
can change to the navigation menu by press-
ing the NAVI button on COMAND,f or exam-
ple.
Voice output is not available.
Av oice connection is established between the
Mercedes-Benz Customer Assistance Center
and the vehicle occupants.
You receive information about operating your
vehicle, about the nearest authorized
Mercedes-Benz Center and about other prod-
ucts and services from Mercedes-Benz.
224Features
Stowage and features

USA only: you can find further information on
the mbrace system under "Owners Online" at
http://www.mbusa.com.
iThe system has not been able to initiate an
MB Info call, if:
Rthe indicator lamp in MB Info call button :
is flashing continuously.
Rno voice connection to the Mercedes-Benz
Customer Assistance Center was estab-
lished.
This can occur if the relevant mobile phone
network is not available, for example.
The Call Failed
message appears in the
multifunction display.
XTo end acall: press the ~button on the
multifunction steering wheel.
or
XPress the corresponding multimedia system
button for ending aphone call.
Call priority
When service calls are active, e.g. Roadside
Assistance or MB Info calls, an emergency call
can still be initiated. In this case, an emergency
call will take priority and override all other active
calls.
The indicator lamp of the respective button
flashes until the call is ended.
An emergency call can only be terminated by the
Mercedes-Benz Customer Assistance Center.
All other calls can be ended by pressing:
Rthe ~ button on the multifunction steering
wheel
Rthe corresponding button on the audios ys-
tem or on COMAND for ending atelephone
call
iWhen acall is initiated, the audios ystem is
muted. The mobile phone is no longer con-
nected to COMAND. However, if you want to
use your mobile phone, do so only when the
vehicle is stationary and in asafe location.
Vehicle Health Check
With the Vehicle Health Check, the Customer
Assistance Center can provide improved sup-
port for problems with your vehicle. During an
existing call, vehicle data is transferred to the
Customer Assistance Center. The customer ser-
vice representative can use the received data to decide what kind of assistance is required.Y
ou
are then, for example, guidedtot he nearest
authorized Mercedes-Benz Center or arecovery
vehicle is called.
If vehicle data needs to be transferred during an
MB Info call or aRoadside Assistance call, this is
initiated by the Customer Assistance Center.
You will see the Roadside Assistance Con‐
nectedmessage in the COMAND display. If the
vehicle remote malfunction diagnosis can be
started, the Request for vehicle diagno‐
sisreceived.Startvehiclediagnosis?message appears in the display.
XConfirm the message with Yes.
XWhen theVehicle Diagnosis Pleasestart ignitionmessage appears, turn the
SmartKey to position 2in the ignition lock
(
Ypage 115).
XWhen the Please follow the instruc‐tions received by phone and moveyour vehicle to asafe positionmes-
sage appears, follow the customer service
representative's instructions.
The message in the displayd isappears.
If you select Cancel
the remote malfunction
diagnosis is canceled completely.
The vehicle operating state check begins. You
will see the Vehicle
diagnosisactivatedmessage.
When the diagnosis is completed, the Trans‐
fer vehicle diagnostics data (Voiceconnection may be interrupted duringdatatransfer)message appears. The vehicle
data can now be sent to the Customer Assis-
tance center.
XPress OKto confirm the message.
The voice connection with the Customer
Assistance Center is terminated.
You will see the Vehicle diagnosis:
Transferring data...message.
The vehicle data is sent to the Customer
Assistance Center.
Depending on what the customer service rep-
resentative agreed with you, the voice connec-
tion is re-established after the transfer is com-
plete. If necessary, you will be contacted at a
later time by another means, e.g. by e-mail or
phone.
Another function of the Vehicle Health Check is
the transfer of service data to the Customer
Assistance Center. If aservice is overdue, the
Features225
Stowage and features
Z