2014 MERCEDES-BENZ C-Class audio

Audio system features
i These Operating Instructions describe all
standard and optional equipment available
for your audio device at the time of going
to print. Country-specific deviations are
possible. Please note that your audio equip-
ment may not offer all the features descri-
bed. Becker
®
MAP PILOT navigation mod-
ule Important safety notes
G
WARNING
If you operate information systems and com-
munication equipment integrated in the vehi-
cle while driving, you will be distracted from
traffic conditions. You could also lose control
of the vehicle. There is a risk of an accident.
Only operate the equipment when the traffic
situation permits. If you are not sure that this
is possible, park the vehicle paying attention
to traffic conditions and operate the equip-
ment when the vehicle is stationary. General notes
You can use the Becker ®
MAP PILOT naviga-
tion module to turn the Audio 20 into a full-
fledged navigation system.
You can find more information under http://
www.beckermappilot.com.
i If your vehicle is equipped with the
Becker ®
MAP PILOT navigation module,
you can slide the controller diagonally to
move the map. Audio fadeout
The audio fadeout function is only active
when the Becker ®
MAP PILOT navigation
module is connected. Audio fadeout reduces
the volume of other audio sources, such as the radio or CD, when you receive a naviga-
tion message.
Audio fadeout on/off X
To call up the basic menu: press0066.
X Switch to the submenu bar by sliding 00520064
the controller.
X Select Settings Settings using the controller (slide
009500520096 or turn 00790052007A) and press 0098to confirm.
X Select Audio
Audio Fadeout
Fadeout for
forNav
NavInstru‐
Instru‐
ction
ction by sliding 006400520097the controller and
press 0098to confirm.
Switch the audio fadeout function on 0073or
off 0053. 40
Becker ®
MAP PILOT navigation moduleNavigation

Audio system features
.......................42
General notes ...................................... 42
Telephony via the Bluetooth ®
inter-
face ....................................................... 43
Reception and transmission vol-
ume ...................................................... 48
Using the telephone ...........................49
Using the phone book ........................52
Using call lists ..................................... 56
Using the speed dial list .....................57 41Telephone

Audio system features
i These Operating Instructions describe all
standard and optional equipment available
for your audio device at the time of going
to print. Country-specific deviations are
possible. Please note that your audio equip-
ment may not offer all the features descri-
bed. General notes
Important safety notes
G
WARNING
If you operate mobile communication equip-
ment while driving, you will be distracted from
traffic conditions. You could also lose control
of the vehicle. There is a risk of an accident.
Only operate this equipment when the vehicle
is stationary.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is cov-
ering a distance of 44 feet (approximately
14 m) every second.
If you make a call on your mobile phone while
driving, always use hands-free mode. Only
use the mobile phone when road, weather
and traffic conditions permit. Introduction
Audio 20, in conjunction with a Bluetooth ®
-
capable mobile phone, enables you to make
calls via the Bluetooth ®
interface. Using the
Bluetooth ®
interface and a suitable mobile
phone, you can use the Audio 20 hands-free
facility and receive vCards.
With a suitable mobile phone, you can use the
hands-free system via the Bluetooth ®
inter-
face. You can also import contacts from the
mobile phone via PBAP (Phone Book Access
Profile) and receive vCards.
You can obtain more detailed information
about suitable mobile phones and about con- necting Bluetooth
®
-capable mobile phones
from your authorized Mercedes-Benz Center.
You can also obtain information via the Inter-
net at http://www.mbusa-mobile.com (for
customers in the USA only). Call disconnection while the vehicle is
in motion
A call may be disconnected if:
R there is insufficient network coverage in
certain areas.
R you move from one transmitter/receiver
area (cell) into another and no channels are
free.
R you use a SIM card which is not compatible
with the network available.
R you are using a mobile phone with "Twin-
card" and the mobile phone with the sec-
ond SIM card is already logged into the net-
work. Operating options
You can operate the telephone by using the
following controls:
R Audio 20 controller
Turn 00790052007A
Slide 009500520096 or009700520064
Press 0098
R the 0061 or0076 button and the number
keypad on Audio 20
R using the 0061or0076 button on the mul-
tifunction steering wheel
All descriptions and illustrations in this sec-
tion refer to the Audio 20 operating system
unless stated otherwise. 42
General notesTelephone

Function restrictions
The telephone is not ready for use in the fol-
lowing situations:
R The telephone automatically tries to log on
to a network. If no network is available, you
may not be able to make a " 911" emer-
gency call. If you attempt to make an out-
going call, the No Service
No Service message will
appear for a short while.
If Audio 20 is switched off during a call in
hands-free mode, the call is disconnected.
You can prevent this as follows: before
switching off Audio 20, switch the mobile
phone to "Private mode" (see the mobile
phone operating instructions). "911" emergency call
The 911 emergency call is a public service.
Using it without due cause is a criminal
offense.
The following requirements must be fulfilled
for a 911emergency call:
R the mobile phone must be switched on.
R a network must be available.
R a valid and operational SIM card must be
inserted in the mobile phone.
R the mobile phone must be connected to
Audio 20 via Bluetooth ®
.
If you cannot make an emergency call, you
must arrange rescue measures yourself.
X Enter numbers on Audio 20 (Y page 50).
X Press 0061.
The telephone makes the connection.
X Wait until the emergency call center
answers and describe the emergency sit-
uation. Telephony via the Bluetooth
®
inter-
face Prerequisites
To use Bluetooth ®
interface telephony in con-
junction with Audio 20, you need a Blue-
tooth ®
-capable mobile phone.
On Audio 20
X Activate the Bluetooth ®
function on
Audio 20 (Y page 33).
On the mobile phone
X Switch on the mobile phone and enter the
PIN when prompted to do so (see the
mobile phone operating instructions).
X Activate Bluetooth ®
functions and, where
necessary, Bluetooth ®
visibility on the
mobile phone (see the mobile phone oper-
ating instructions).
The battery of the mobile phone should
always be kept sufficiently charged in order
to prevent malfunctions.
In preparation for telephoning via the Blue-
tooth ®
interface, you should check the fol-
lowing items on your mobile phone (see the
mobile phone operating instructions):
R Hands-Free Profile
The mobile phone must support Hands-
Free Profile 1.0 or above.
R Bluetooth ®
visibility
On some mobile phones, it is not enough to
activate only the Bluetooth ®
function. Your
device must also be made "visible" to other
devices (see the mobile phone operating
instructions).
This visibility is for restricted periods of
time on some mobile phones.
R Bluetooth ®
device name
Every Bluetooth ®
device has its own Blue-
tooth ®
device name. This device name is
freely definable, but can be identical for all
devices from the same manufacturer. It is
therefore recommended that you change
this name so that you can easily recognize Telephony via the Bluetooth
®
interface 43Telephone Z

your mobile phone (see the mobile phone
operating instructions).
i Not all mobile phones available on the
market are equally suitable. You can obtain
more detailed information about suitable
mobile phones and about connecting Blue-
tooth ®
-capable mobile phones to Audio 20
on the Internet at
http://www.mbusa-mobile.com. Or call
the Mercedes-Benz Customer Assistance
Center at 1-800-FOR-MERCedes
(1-800-367-6372 )(for the USA) or Cus-
tomer Relations at 1-800-387-010 0(for
Canada).
i Some displays (e.g. the signal strength)
depend on the supported version of the
Hands-Free Profile. Connecting a mobile phone
General information Before using your mobile phone with Audio 20
for the first time, you will need to authorize it.
Device-specific information on connecting
Bluetooth ®
-capable mobile phones can be
found on the Internet at http://
www.mbusa-mobile.com . Or call the
Mercedes-Benz Customer Assistance Center
at 1-800-FOR-MERCedes (1-800-367-6372)
(for the USA) or Customer Relations at
1-800-387-010 0(for Canada).
When you authorize a new mobile phone, it is
connected automatically.
Connecting comprises:
R searching for a Bluetooth ®
-capable mobile
phone
R subsequently authorizing it
You can authorize up to 15 mobile phones.
During connection, the phone book, call lists
and text messages are automatically down-
loaded to Audio 20. This function must be
supported by the connected mobile phone.
You can suppress the automatic download of telephone data by deactivating the "Import
contacts" function (Y
page 55).
Searching for a mobile phone X
Press the 002Bbutton on Audio 20.
X Select Connect Device
Connect Device in the telephone
basic menu using the controller (slide
0052 0064and turn 00790052007A) and press 0098to con-
firm. X
Select Search Search for
forPhone
Phone and press 0098to
confirm.
A message appears.
X Select Start Start Search
Search and press 0098to con-
firm.
Audio 20 scans for Bluetooth ®
devices
within range and enters them into the Blue-
tooth ®
phone list.
If a new phone is found, it appears in the
list with the 00D3symbol.
The duration of the search depends on the
number of Bluetooth ®
telephones within
range and their characteristics.
Symbols in the Bluetooth ®
phone list Sym-
bol Explanation
00D3
New mobile phone in range, but
not yet authorized
0068
Authorized mobile phone
0036
Currently connected mobile
phone44
Telephony via the Bluetooth ®
interfaceTelephone

Sym-
bol Explanation
00DC
Mobile phone in range and
authorized 00DC
(gray)
Mobile phone not in range, but
already authorized
The Bluetooth
®
telephone list shows all
mobile phones within range and all previously
authorized mobile phones, whether or not
they are in range.
i If the Bluetooth ®
telephones list is already
full, you will be requested to de-authorize a
mobile phone (Y page 47). If Audio 20
does not find your mobile phone, external
authorization (Y page 46) may be neces-
sary.
i If you call up the telephone list again, the
unauthorized devices are removed from the
list. To update the Bluetooth ®
telephone
list, start a new search.
Authorizing a mobile phone X
Select the mobile phone that is not yet
authorized from the Bluetooth ®
phone list
by turning 00790052007Athe controller.
X Select the list symbol to the right of the
entry by sliding 00520096the controller and
press 0098to confirm.
X Select Authorize Authorize and press0098to confirm.
The input menu for the passkey appears. The passkey is any one to sixteen-digit num-
ber combination which you can choose your-
self. You must enter the same number com-
bination in Audio 20 and in the Bluetooth
®
-
capable mobile phone (see the mobile phone
operating instructions).
i Some mobile phones require a passkey
with four or more digits.
If you reauthorize a mobile phone following
deauthorization, you can select a different
passkey.
X To enter a passkey in Audio 20: press the
number keys in succession.
0054is highlighted after the first number
has been entered.
or
X Select the numbers one after another by
turning 00790052007Athe controller and press 0098
to confirm. Then, select 0054.
X To confirm an entry in Audio 20: press
0098 the controller.
X Now enter the same passkey in the mobile
phone.
To make entries on the mobile phone: if
the Bluetooth ®
connection is successful, you
will be requested to enter the passkey
(access code, passcode), see the mobile
phone operating instructions.
X Enter the same passkey in the mobile
phone as already entered in Audio 20.
i After entering the passkey, you may also
need to enter a confirmation in your mobile
phone to connect calls. Please check your
mobile phone display.
If the Audio 20 display shows the Author‐
Author‐
ization failed ization failed message, you may have
exceeded the prescribed time period.
Repeat the procedure.
The mobile phone is connected to Audio 20
(authorized). You can now use the Audio 20
hands-free function to make calls on your
mobile phone. Telephony via the Bluetooth
®
interface 45Telephone Z

Option 2: via Secure Simple Pairing:
to
connect via Secure Simple Pairing, the mobile
phone (or Bluetooth ®
audio device) must sup-
port Bluetooth ®
Version 2.1. Audio 20 gener-
ates a six-digit numeric code that appears
simultaneously on both devices that will be
connected. X
If the numeric code on both devices
matches, confirm Yes
Yes by pressing 0098.
If you select Yes
Yes, authorization is continued
and the mobile phone is connected.
If you select No
No, the process will be can-
celed.
X Confirm the message on the mobile phone. External authorization
If Audio 20 is unable to detect your mobile
phone, this may be due to your mobile phone
security settings. In this case, please check
to see whether your mobile phone can find
the Audio 20 system. The Bluetooth ®
device
name of Audio 20 is MB Bluetooth
MB Bluetooth.
Please note the following: some mobile
phones require that you establish the con-
nection to Audio 20 again once you have
entered the passkey (see the mobile phone
operating instructions). The mobile phone
cannot otherwise be authorized.
X Select Connect Device
Connect Device in the telephone
basic menu by sliding 00520064and turning 00790052007A
the controller and press 0098to con-
firm.
The Bluetooth ®
telephone list appears.
X Select Search
Search via viaPhone
Phone and press 0098to
confirm.
A message appears. X
Start the Bluetooth ®
search on the mobile
phone (see the mobile phone operating
instructions).
X Select Audio 20 (MB Bluetooth) (MB Bluetooth) on the
mobile phone.
X Option 1: when requested to do so, enter
the passkey on the mobile phone and then
in the Audio 20 system.
X Option 2: confirm the numeric code on the
mobile phone and in the Audio 20 system
(Secure Simple Pairing).
With both options, you see the prompt Do Do
you want to be
you want to be
authorized? authorized? on the display.
X If you select Yes
Yes, the mobile phone will be
authorized. The messages Waiting for
Waiting for
a Connection to a Connection to dev.>... dev.>... andConnecting Bluetooth
Connecting Bluetooth
Profiles...
Profiles... are displayed. If the connec-
tion is successful, you see the telephone
basic menu and the connected mobile
phone is entered.
If you select No
No, the process will be can-
celed. 46
Telephony via the Bluetooth ®
interfaceTelephone

Reconnecting automatically
Audio 20 always searches for the last mobile
phone connected.
If no connection can be made to the most
recently connected mobile phone, the system
searches for the mobile phone that was con-
nected before that one. Switching between mobile phones
If you have authorized more than one mobile
phone, you can switch between the individual
phones.
i You can only switch to another authorized
mobile phone if you are not currently mak-
ing a call.
X Select the mobile phone in the Bluetooth ®
telephones list by turning 00790052007Athe con-
troller and press 0098to confirm.
The selected mobile phone is searched for
and connected if it is within Bluetooth ®
range and if Bluetooth ®
is activated.
Only one mobile phone can be connected
at any one time. The currently connected
mobile phone is indicated by the 003Bdot in
the Bluetooth ®
telephones list. De-registering (deauthorizing) a
mobile phone
Mercedes-Benz USA, LLC recommends de-
authorization in Audio 20 as well as in the
mobile phone. Subsequent authorization may
otherwise fail.
X Press the 002Bbutton on Audio 20.
X Select Connect Device
Connect Device in the telephone
basic menu by sliding 00520064and turning
00790052007A the controller and press 0098to con-
firm.
The Bluetooth ®
telephone list appears.
X Select the desired mobile phone in the
Bluetooth ®
telephones list. X
Select the list symbol to the right of the
entry by sliding 00520096the controller and
press 0098to confirm.
X Select De-Authorize
De-Authorize and press0098to con-
firm.
A prompt appears asking whether you
really wish to de-authorize this device.
X Select Yes YesorNo
No and press 0098to confirm.
If you select Yes
Yes, the device will be deleted
from the phone list.
If you select No No, the process will be can-
celed.
i Before re-authorizing the mobile phone,
you should also delete the device name MB
MB
Bluetooth
Bluetooth from your mobile phone's Blue-
tooth ®
list. Displaying connection details
X Press the 002Bbutton on Audio 20.
X Select Connect Device
Connect Device in the telephone
basic menu by sliding 00520064and turning
00790052007A the controller and press 0098to con-
firm.
The Bluetooth ®
telephone list appears.
X Select the mobile phone from the list.
X Select the list symbol to the right of the
entry by sliding 00520096the controller and
press 0098to confirm.
X Select Details Details and press 0098to confirm.
The following information concerning the
selected mobile phone is shown:
R Bluetooth ®
name
R Bluetooth ®
address
R availability status (shown after a search)
R authorization status
X To close the detailed display: turn
00790052007A , slide 009700520064,009500520096 or press 0098the
controller. Telephony via the Bluetooth
®
interface 47Telephone Z