key MERCEDES-BENZ CL CLASS 2010 Owner's Guide
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The 
Off  Road
  message and an arrow showing
the compass heading to the destination
appear on the display.
As soon as the system can allocate the
vehicle position to the map again, route
guidance continues in the usual way. Navigation announcements
G
Warning!
Navigation announcements are intended to
direct  you 
while driving without diverting your
attention from the road and driving.
Please always use navigation announcements
instead of consulting the map display for
directions. Consulting the symbols or map
display for directions may cause you to divert
your attention from driving and increase your
risk of an accident.
i If Chinese is set as the system language,
the navigation announcements are in
English. For information on how to set the
system language see ( Y page 81).
Navigation announcements are muted
during telephone calls. You can, however,
call up a current announcement at any
time. You can also call up a current
announcement at any time if you have
missed an announcement.
Route guidance is active already.
X Calling up a current announcement:
Select  Navi Q RPT.
or
X Press favorite button  h if 
 the button has
been programmed with this function
(Y page 81). X
Switching off navigation messages:
Press button 8 during an
announcement.
You will see the message  The driving 
instructions have been muted. for a
short while.
i The announcements remain switched off
even  if 
you start a new route guidance or if
COMAND is switched off/on with button
u.
If you switch COMAND off by removing the
SmartKey from the starter switch and then
switch the ignition back on after more than
3 minutes, the announcements are
automatically switched back on.
X Switching navigation announcements 
back on manually: Select  Navi Q RPT.
X Adjusting volume of the messages:
Adjust the volume during an automatic
announcement  (
Y page 76).
or
X Call up an announcement manually using
Navi Q RPT and adjust the volume
(Y page 76).
i You can use the function Audio 
Fadeout  (Y
 page 93) to reduce the volume
of audio sources during navigation
announcements. COMAND navigation system (during 
route guidance)
Cancel route guidance
X Select  Destination Q Cancel Route 
Guidance in map view with the menu
system displayed  (Y
 page 89). Continuing canceled route guidance
X Select  Destination Q Continue 
Route Guidance in map view with the
menu system displayed  (Y
 page 89).
COMAND calculates the route. 122
COMAND navigation system (during route guidance)
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Using the Bluetooth
®
 interface COMAND provides telephony via the
Bluetooth
®
 interface by connecting a
Bluetooth ®
-compatible mobile phone. The
following functions can be used when a
suitable mobile phone is connected to the
Bluetooth ®
 interface:
R Hands-free phone operation
R Phone book
R Reception of electronic business cards
(vCards 4
)
i For 
further 
information on suitable mobile
phones and connecting Bluetooth ®
-
enabled mobile phones to COMAND
R visit www.mbusa-mobile.com
R call the Mercedes-Benz Customer
Assistance Center at
1-800-FOR-MERCedes
(1-800-367-6372) (in the USA)
R call Customer Service at
1-800-387-0100 (in Canada)
Calls disconnected while the vehicle is 
in motion A call may be disconnected if
R
there is insufficient network coverage
R you move from one transmitter/receiver
area  (cell) 
into another and no channels are
free or the cell is full
Operating options i
The  components 
and operating principles
of COMAND can be found on ( Y page 68).
You can operate the mobile phone using the
following:
R the keys on the mobile phone
R the COMAND telephone keypad in the
center console R
the COMAND controller
R the multifunction steering wheel
R the Voice Control System (Y page 217)
Unless otherwise specified, the descriptions
and illustrations in this section apply to
COMAND or the telephone keypad in the
center console. Thus, in order to use the
described functions you always have to call
up the Telephone menu. The fastest way to
get to the  Telephone menu is pressing
shortcut button  S.
You  can 
control other functions of the mobile
phone via the COMAND, instrument cluster
control system (Y page 211) or Voice Control
System (Y page 217).
Caller ID COMAND can display the telephone number
and the name of the caller, e.g. for an
incoming call and also in other menus or
displays.
For the telephone number to be displayed,
the caller must transmit his telephone
number.
This is also the case for name displays. For
this, the telephone number and the name of
the caller must also be saved in the mobile
phone book.
Functional restrictions
You will not be able to use the telephone, or
you 
may 
have to wait a while, in the following
situations:
R If the  Bluetooth function in COMAND or
on the mobile phone is switched off.
R If the telephone has not yet logged into the
network.
The telephone tries to log into a network
automatically. If no network is available,
you will also not be able to make a “911”
emergency call. If you attempt to make an
4 vCards are electronic business cards used by e-mail applications, mobile phones, PDAs, etc. to exchange
contact information. 136
COMAND telephone
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outgoing call, the 
No Service message will
appear for a short while.
R The SIM card is not inserted in GSM type
phone.
R When you remove the SmartKey from the
starter switch during a call in hand-free
mode, the call will be maintained for up to
30 minutes. It will then be terminated.
Switch to “Private Mode” on the mobile
phone before switching off COMAND to
maintain the call beyond that time limit.
Refer to the operating instructions of your
mobile phone.
R When you want to switch off COMAND
during a call in hands-free mode, the
message  You cannot shut off COMAND 
until you have finished your 
telephone call. appears. Activating telephone mode
X Select  Telephone.
or
X Press button 6 on telephone keypad.
or
X Press shortcut button  S once or twice.
i The number of times you have to press
shortcut button  S depends on the
operating mode currently selected. Telephone keypad With the telephone keypad 
: you can:
R Enter and clear numbers and special
characters.
R Reject, answer, connect and end calls.
X Entering characters: Flip up cover ;.
X Enter characters using buttons  ´ -
Æ.
i You can enter the  * character by pressing
button  Ã once. Pressing button  Ã
again within 1.5 seconds enters the  +
character.
X Deleting individual characters:  Press
button  $.
X Deleting an entire word or number:
Press and hold button $ until the word
or number is deleted. “911” emergency call
i The “911” emergency call system is a
public service. Using it without due cause
is a criminal offense.
i This function places a call to the local
“911” provider. It does not initiate a Tele
Aid call.
The following describes how to dial a “911”
emergency call using the COMAND head unit
when a Mercedes-Benz specified mobile
phone is connected via the Bluetooth ®
interface to COMAND. Unless otherwise
specified, the descriptions refer to the
COMAND head unit.
Consult the separate mobile phone operating
instructions that came with your mobile
phone for information on how to place a
“911” emergency call on the mobile phone. COMAND telephone
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The following conditions must be met for a
“911” emergency call via COMAND:
R
Mobile phone must be switched on.
R The corresponding mobile
communications network must be
available.
i Emergency calls may not be possible with
all telephone networks or if certain network
services and/or telephone functions are
active. Check with your local service
providers.
If you cannot make an emergency call, you
will have to initiate rescue measures yourself.
Placing a “911” emergency call using 
COMAND with the mobile phone 
unlocked X
Press button S to switch to telephone
mode.
X Enter 911 using the telephone keypad in
the center console.
X Press button 6 on the telephone
keypad in the center console.
or
X Select  6 in the COMAND display and
press W for dialing to begin.
Connecting call… appears in the
COMAND display while the mobile phone
establishes the connection.
X Wait until the emergency call center
answers, then describe the emergency.
i Depending on the phone type, if no SIM
card is inserted in a GSM mobile phone or
if there is no service on a CDMA mobile
phone, NO SERVICE may appear in the
COMAND display. In that case, you only can
make an emergency call on the mobile
phone itself, without the use of COMAND. Placing a “911” emergency call with the 
mobile phone locked i
If the mobile phone is locked, you only can
make an emergency call on the mobile
phone itself, without the use of COMAND. Bluetooth interface
Bluetooth ®
 is a technology for wireless
exchange of data over short distances of up
to approximately 33 feet (10 m). You can
connect your mobile phone to COMAND or
exchange vCards using Bluetooth ®
.
Activating and deactivating Bluetooth ® X
Select  Vehicle Q System Q
Bluetooth Q Bluetooth activated. Bluetooth
®
 is activated when the check box
is checked.
Mobile phone prerequisites A Bluetooth
®
-compatible mobile phone is
required for telephony via the COMAND using
the Bluetooth ®
 interface.
i For further information on suitable mobile
phones and connecting Bluetooth ®
-
enabled mobile phones to COMAND
R visit www.mbusa-mobile.com
R call the Mercedes-Benz Customer
Assistance Center at 138
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Example illustration: Bluetooth
®
 phone list
: Currently connected  # and authorized
L mobile phone
; Mobile phone already authorized but not
within range (L appears in grey)
= New recognized mobile phone within
range, not authorized yet
i When the Bluetooth ®
 phone list is full, you
will be prompted to deauthorize a
Bluetooth ®
 device ( Y page 141). If
COMAND cannot find your mobile phone,
an external authorization (Y page 141)
may be necessary.
X Authorizing: Choose a mobile phone that
is not authorized yet = from the
Bluetooth ®
 phone list and select Options
Q Authorize.
The prompt to enter the passkey appears. The passkey is an arbitrary string of 1 to 16
digits. You have to enter the same passkey
for COMAND and the Bluetooth
®
 device that
you want to authorize. Refer to the operating
instructions of your mobile phone for details. The passkey should have at least four digits
in order to establish a secure Bluetooth
®
connection.
Entering a passkey in COMAND
You can enter the passkey into COMAND via
the digits in the menu bar or the telephone
keypad.
X Entering via the menu bar:  Select the
respective digits with the COMAND
controller and confirm the selection.
or
X Entering via the telephone keypad:
Press the respective digits on the
telephone keypad.
X Confirming: Select  ¬ in the menu bar.
or
X Press z or ; on the telephone
keypad.
X Deleting entry:  Select F in the menu bar
and press W.
or
X Press $ on the telephone keypad.
Entering a passkey into the mobile phone
You will be prompted to enter the passkey
(identification, code) into your mobile phone
after the Bluetooth ®
 connection was
successful. Refer to the operating
instructions of your mobile phone for details.
X Enter the same passkey that you have
entered into the COMAND.
i You might have to confirm the passkey on
your mobile phone. Check your mobile
phone display.
When the message Error during 
authorization process. appears on
your COMAND display, you have either
exceeded the time limit or the passkey was
incorrect. Repeat the process.
The mobile phone is connected with the
COMAND (authorized). You can now make
phone calls via the hands-free function of the
COMAND. 140
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External authorization 
Certain security settings in your mobile
phone may prevent COMAND from finding
your mobile phone. In this case, you might
want to check if your mobile phone can
recognize the COMAND. The Bluetooth
®
device name of COMAND is MB Bluetooth.
X Select  Data/Connections Q
Bluetooth Telephones.
X Go to Update and select Options Q
External Authorization.
X Activate the Bluetooth ®
 search on the
mobile phone. Refer to mobile phone
operating instructions for detail.
X Select  MB Bluetooth
  on the mobile phone.
X When prompted, enter the passkey into
COMAND and the mobile phone
(Y page 140).
Show details
Details can be displayed for each mobile
phone in the Bluetooth ®
 phone list.
X Select  Data/Connections Q
Bluetooth Telephones.
X Choose the mobile phone from the list and
select Options Q Details.
The  following 
mobile phone details appear:
R Bluetooth ®
 name
R Bluetooth ®
 address
R Availability status
R Authorization
R Bluetooth ®
 Class (mobile phone,
notebook, etc.)
X Closing detail display:  Slide XVY. Deauthorizing the mobile phone 
X
Select  Data/Connections Q
Bluetooth Telephones.
X Choose the mobile phone from the list and
select Options Q De-authorize.
You will be asked whether you want to
deauthorize the device.
X Select  Yes.
i You should delete the device name  MB 
Bluetooth from the Bluetooth ®
 list of the
mobile phone before authorizing that
mobile phone again.
Connecting another mobile phone
You can switch between several mobile
phones that you have authorized.
i Switching to another authorized mobile
phone  is 
only possible while no phone calls
are being made.
X Select  Data/Connections Q
Bluetooth Telephones.
X Select the mobile phone from the
Bluetooth ®
 phone list.
X Confirm the selection.
The selected mobile phone is connected
provided it is within Bluetooth ®
 range and
Bluetooth ®
 is activated on the respective
device.
You  can 
only connect one mobile phone at
a time. The currently connected mobile
phone is indicated by a dot  # in the
Bluetooth ®
 phone list ( Y page 140).
Main telephone menu When the connected mobile phone is ready,
the following display appears: COMAND telephone
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X
Changing the volume:  Slide ZVÆ and
press W. Making calls
G
Observe Safety notes, see page 135.
Incoming call X
Rejecting: Select Reject.
or
X Press button ~ on the multifunction
steering wheel or on the telephone keypad
in the center console.
X Answering:  Select Accept.
or
X Press button 6 on the multifunction
steering wheel or on the telephone keypad
in the center console.
or
X Answer the call via the Voice Control
System (Y page 217). After answering the call, you will conduct the
conversation via the hands-free system. The
volume can be adjusted (Y page 76). For more
available functions during a single party call
see (
Y page 144).
When a call comes in, the following appears
in the COMAND display:
R the phone number of the calling party
R the name and number of the calling party
provided both are stored in the address
book
R Call from Unknown when the caller ID is
not being sent
i You can answer a call even when
COMAND is displaying a different main
function. After answering the call, the
display switches to the telephone display 8
.
Once you hang up, the display switches
back to the previous main function.
Outgoing call X
Enter the phone number via the telephone
keypad in the center console.
or
X Use the COMAND controller to enter the
phone number via the telephone menu.
or
X Use the Voice Control System to enter the
phone number digit by digit or to enter a
name from the phone book ( Y page 217).
X Deleting single digits:  Press $ on the
telephone keypad in the center console
briefly.
or
X Select  r via the telephone menu and
press W briefly.
8 Except you have accepted the call via button 6 on the multifunction steering wheel. COMAND telephone
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X
Deleting entire number:  Press and hold
$ on the telephone keypad in the center
console until the number is deleted.
or
X Select  r via the telephone menu and
press and hold  W until the number is
deleted.
X Connecting call:  Press button 6 on the
multifunction steering wheel or on the
telephone keypad in the center console.
or
X Select  6 via the telephone menu
Redial 
X Go to the telephone menu.
X Press  6 on the telephone keypad in the
center console.
or
X Select  SEND from the telephone menu and
press W.
The list of previously dialed number
appears. The last number you have called
at the top of the list.
X Selecting number and connecting call:
Slide  ZVÆ and press  W to select a number
or press 6 on the telephone keypad in
the center console.
Calling voice mail 9
 
Your voice mail number must be stored on the
SIM card of your mobile phone and be
assigned to key  4 on the mobile phone
keypad.
X Press and hold  ´ on the telephone
keypad in the center console. Functions during a single party call 
(non-conference calls)  :
Called or calling party
; 6 Active call
= NEW Connect to more parties 10
? Switching hands-free microphone on/off
A Enable touch-tone dialing 11
B Ending call
Switching hands-free microphone on or 
off
This function is available during an active call.
X Switching off:  Select Mike OFF in the
telephone menu.
Symbol  Q appears and the message  The 
microphone is turned OFF.  is displayed
briefly.
X Switching on:  Select Mike ON in the
telephone menu.
Symbol  Q goes out. The message  The 
microphone is turned ON. appears
briefly.
Touch-tone dialing 11
You can use touch-tone dialing to control
answering machines and other devices for
remote inquiry.
When you want to check your answering
machine for example, dial the respective
number.
9 Function only available when supported by the respective network provider.
10 Function only available when the mobile phone supports HFP 1.5 or higher.
11 Not available on all mobile phones. 144
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X
Select  DTMF from the telephone menu
during a call. :
Sending single digits via the predictive
speller
; Sending a phone book entry as a string
X Sending single digits:  Select the desired
digit via predictive speller  :.
Each selected digit will be sent
immediately.
You can, for example, save the number for an
answering machine in the phone book. You
can then search for the number for the
answering machine in the phone book.
X Select  Name.
X Select the desired phone book entry.
The entry will be sent as a string
immediately.
X Back to call display: Select  B on the
COMAND display.
i You can also use touch-tone dialing via
the Voice Control System (Y page 217).
Ending an active call 
X Press button ~ on the multifunction
steering wheel or on the telephone keypad
in the center console or select  ~ via the
telephone menu. Call waiting, call holding, and 
conference calls with multiple 
parties
12, 13, 14
  You can receive a call while you are already
connected to another party (call waiting). You
can also make another call yourself while still
connected to another party.
You can switch between both parties or
initiate a conference call.
You can toggle between two parties using call
hold or initiate a conference call with up to
two participants.
Call waiting
15
When a call comes in while you are already
talking to another party, the incoming call
appears in the COMAND display. In addition,
a signal sounds.
X Rejecting: Select Reject.
or
X Press button ~ on the multifunction
steering wheel or on the telephone keypad
in the center console.
X Accepting:  Select Accept.
or
X Answer the call via the Voice Control
System (Y page 217).
or
X Press button 6 on the multifunction
steering wheel or on the telephone keypad
in the center console.
The active call is put on hold. You are now
connected to two parties. The new call you
have accepted is now the active call.
i If your mobile phone does not support
HFP 1.5 or higher, accepting the new call
will end the active call.
12 Function only available when supported by the respective network provider.
13 Function only available when the mobile phone supports HFP 1.5 or higher.
14 Limited availability of these functions with CDMA devices.
15 Only available when the call waiting function on the mobile phone is activated. COMAND telephone
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Calling an additional party
You can call another party during an active
call. The active call is put on hold.
X
Select  NEW from the telephone menu and
press W.
or
X Press button 6 on the telephone
keypad in the center console.
X Enter the number to call manually
(Y page 143) or from the phone book
(Y page 149).
Switching between two parties (call hold)
When you are connected to two parties, the
telephone menu appears as follows: :
Active call
; Call on hold
X Switching to the other party:  Select ;
using the COMAND controller.
or
X Press button 6 on the telephone
keypad in the center console.
or
X Press button 6 on the multifunction
steering wheel.
Initiating a conference call
You can initiate a conference call with the
active parties and parties that are on hold. All
participants will be able to hear and talk to
each other. :
Active call
; Call on hold
= Initiating conference call
X Initiating conference call:  Select
Conference = using the COMAND
controller. COMAND phone book and address 
book
G
Observe Safety notes, see page 68.
The COMAND phone book is an extract of
entries from the address book that contain at
least one phone number.
The COMAND address book holds entries
from various sources such as mobile phones,
SD cards, imports from Bluetooth ®
 devices,
the COMAND phone book, or the navigation
system. These entries can be used for making
phone calls or for navigation.
Importing contacts automatically When a mobile phone is connected to
COMAND via the Bluetooth
®
 interface, the
contacts of the mobile phone are imported
into the COMAND phone book automatically.
This may take some time, depending on the
mobile phone. Phone book entries stored in
the mobile phone itself or the SIM card may
be imported, depending on the mobile phone.
Contacts in the COMAND that have been
imported automatically are identified by the
symbols  d or 0. Such contacts can only 146
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