2004 MERCEDES-BENZ C-Class telephone

125 Telephone*
Emergency call
If there is an active Tele Aid call, the tele-
phone main menu will disappear and you
will see the message “Phone off”.
After the Tele Aid call is ended the telepho-
ne main menu will reappear.
See your vehicle’s operator’s manual.Initiating an emergency call
If the telephone main menu or a memory
menu is displayed

Press number key 1 longer than 2 se-
conds (quick-dialing).
The telephone begins dialing, the “End”
button is highlighted.
When the call is initiated, the call time
will appear.
Do not place the emergency call

Turn the right-hand rotary/push-button
v to highlight the “End” button and
press to confirm or press *.
Ending the call, use one of the three ways:

Press the right-hand rotary/push-
button v to confirm the “End” button.
or

Press a.
or

Press *.
P82.85-9154-31
Telephone is ready for operationiPlease ensure that the number stored in
the memory location is the number you
want to dial in case of an emergency
(default is 9-1-1).
The function will also be performed if
the telephone is locked.
P82.85-9155-31

126 Telephone*Service numbers

Service numbers1Personal Service Number
2Number for Roadside Assistance

Turn the right-hand rotary/push-button
v to highlight “Service No.” in the
main telephone menu and press to
confirm.
The menu “Service No.” will appear.

Use the right-hand rotary/push-button
v to highlight the service you require
and press to confirm.
The main telephone menu will appear.Begin dialing

Press the right-hand rotary/push-
button v to confirm the “Send” but-
ton.
One of the messages “Personal Service
Number” or “Roadside Assistance” will
appear. The “End” button is highligh-
ted.
When the call is initiated, the call time
will appear.
Use one of these three ways to end a call

Press the right-hand rotary/push-
button v to confirm the “End” button.
or

Press a.
or

Press *.
Calling a service number
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12

127 Telephone*
Service numbers

Turn the right-hand rotary/push-button
v to highlight “Change 1” in the
“Service No.” menu and press to con-
firm.
The “Change Service No. 1” menu will
appear.

Enter the new service number with
number keys 1 through 0.

Press the right-hand rotary/push-
button v to confirm the service num-
ber.
The new service number is now stored
in the “Service No.” menu.
Returning to the menu “Service No.”
The menu “Service No.” will appear auto-
matically after 7 seconds
or

Press *.
Changing personal service number
P82.85-9157-31
iPressing the right-hand rotary/push-
button v and inserting an empty input
line will delete the personal service
number.

128 Telephone*Service numbers
Turn the right-hand rotary/push-button
v to highlight “Change 2” in the
“Service No.” menu and press to con-
firm.
The “Change Service No. 2” country list
will appear.Select a new country service number from
the list

Turn the right-hand rotary/push-button
v to highlight the country abbreviati-
on you want and press to confirm.
The new service number is now stored
in the “Service No.” menu.
Returning to the menu “Service No.”
The menu “Service No.” will appear auto-
matically after 7 seconds
or

Press *.
Changing the number for Roadside
Assistance
P82.85-9158-31

171 Navigation
Route guidance
If an audio source is switched on, e.g. the
radio, the voice output will be mixed with
that of the audio source.
You can individually set the audio volume
differential between voice output/audio
source (
page 64). COMAND mutes navi-
gation voice outputs during telephone/
Tele Aid operation.
Repeating current voice output

Press the left-hand rotary/push-button
v briefly.
Muting current voice output

Press Ö briefly during a voice out-
put. You will hear the next announce-
ment normally.Switching the voice output off for the
duration of the current route guidance

Press Ö longer than 2 seconds du-
ring a voice output.
You will see the message “Voice output
is muted”.
Switching the voice output on again
The current route guidance has been com-
pleted.
Voice output will automatically switch on
again.
During a voice output

Press the left-hand rotary/push-button
v.Altering the voice output volume
At the COMAND control unit

Turn the left-hand rotary/push-button
v during a voice output.
COMAND will accept this setting for
following voice outputs.
At the multifunctional steering wheel
You can alter the volume with the steering
wheel keys during a voice output as well.
To raise the volume

Press J.
To lower the volume

Press I.

218Info Services*/System settingsAuxiliary audio source

Auxiliary audio sourceThe auxiliary audio source (e.g. tape recor-
der) will be installed in the glove compart-
ment of your vehicle and connected to the
socket available for this purpose. You will
require a separate connecting cable for
this.COMAND will play back voice outputs du-
ring route guidance even if the auxiliary au-
dio source has been switched on.
It is possible to use the telephone while the
auxiliary audio source is in operation.
1Adjusts sound settings (
page 63)
ConnectingiMercedes-Benz recommends that any
auxiliary audio unit is installed and con-
nected by an authorized Mercedes-
Benz Center.
iRefer to the seperate operating instruc-
tions for information on how to operate
the auxiliary audio source (e.g. tape
player).
Switching auxiliary audio source on
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221 Glossary
Audio source
This includes the systems radio and CD
(CD drive in the control unit and CD
changer) as well as an external source,
e.g. tape player.
COMAND
(Co
ckpit Man
agement and D
ata Sys-
tem)
Information and operating center for
vehicle sound and communications
systems, including the radio and CD
player, as well as for other optional
equipment (CD changer, telephone,
etc.).
Emergency call
This function places a call to a local
9-1-1 provider. It does not initiate a
->Tele Aid* call. Please note that the
9-1-1 emergency call system is a public
service. Using it without due cause is a
criminal offense.GPS
(G
lobal P
ositioning S
ystem)
Satellite-based system for relaying
geographic location information to and
from vehicles equipped with special re-
ceivers. Employs CD digital maps for
navigation.
Heading-up
The map is displayed facing driving di-
rection pointing up during route
guidance.
Info Services*
With this function you can request in-
formation on news, weather, stocks,
sports and reminders. Info Services is
an additional optional feature to basic
Tele Aid service. Tele Aid can be initial-
ly activated by completing a subscriber
agreement and placing an acquain-
tance call. Mix
Display representation during destina-
tion guidance. The symbol display is ac-
tivated automatically from the map
display before a turn-off. After you have
made the turn, the map will appear
again.
Multifunction display
Two displays in the combination instru-
ment that show important information
about the COMAND systems radio, CD
and telephone. The displays can be
called up using the control buttons on
the multifunction steering wheel.
Navigation CD
Contains all the destination addresses
(town, road, intersection, house num-
ber, special destinations) and the digi-
tal map material for a country or a
region for destination entry, route cal-
culation and destination guidance.

222 GlossaryNorth-up
The map is displayed facing due north
during route guidance.
Provider
is the network operator who makes
available (provides) telephone services
Roaming
For this function, the telephone uses
the telephone network of a contract
partner. There are home type and non
home type systems. The RM indicator
in the COMAND display indicates that a
call is being made using a non-home
type system.
Service numbers
includes a personal service number
and the number for Roadside Assis-
tance
Service source
This includes the systems telephone,
navigation (voice output during desti-
nation guidance) and ->Voice control
systemSMS
(S
hort M
essage S
ervice)
With this function you can receive, read
and delete short text messages (if SMS
service is provided by your carrier)
Tele Aid*
(Tele
matic A
larm I
dentification on D
e-
mand)
The Tele Aid system consists of three
types of response: automatic and ma-
nual emergency, Roadside Assistance,
and information. Tele Aid is initially ac-
tivated by completing a subscriber
agreement and placing an acquain-
tance call.
The Tele Aid system is operational pro-
vided that the vehicle's battery is char-
ged, properly connected, not damaged,
and cellular and GPS coverage is avai-
lable.Unlock code
Your unlock code prevents unauthori-
zed persons from using your telephone.
The unlock code is a number string,
which you have to enter on switching
on the telephone.
Voice output
During a trip, apart from visual informa-
tions (symbol or map displays),
COMAND also provides all of the
necessary spoken route information
via voice output.
Voice control system
One of the service sources of
COMAND.
As voice-operated control system, it
controls the COMAND systems via
voice. Refer to the separate operating
instructions.