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
you want
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
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
Making a call
Entering a telephone number using the
number keypad You can use the number keypad to enter
numbers and special characters.
X To enter: use the004Ato0089, and
003E buttons to enter the characters.
For the *character, press the 003Ebutton
once. Press the button a second time within
1.5 seconds for the + character.
X To delete individual digits: press the
0037 button.
X To delete an entire number: press and
hold the 0037button until the entire num-
ber has been deleted.
or
X Press the 0076button.
X To finish entry and make a call: press the
0061 button.
Entering a telephone number using the
character bar In addition to the menu bar, a character bar
is displayed in the telephone basic menu.
If the character bar is active (highlighted), you
can select an item. X
To enter digits: slide009500520096or turn
00790052007Athe controller until the desired num-
ber is selected.
X To confirm your selection: press0098the
controller.
X Repeat this procedure to select all of the
desired digits in sequence from the char-
acter bar.
X To delete individual digits: slide009500520096or
turn 00790052007Athe controller until 0084is
selected.
X Press 0098the controller.
X To delete a number sequence: slide
009500520096or turn 00790052007Athe controller until
0084 is selected.
X Press 0098the controller until the number
sequence is deleted.
or
X Select 0071by sliding 009500520096or turning
00790052007Athe controller and press 0098to con-
firm.
X To make a call: select0075and press 0098to
confirm.
Using a number from the phone book X
Select Name Nameby sliding 009500520096or turning
00790052007Athe controller and press 0098to con-
firm.
X Select the entry by sliding 009700520064or turning
00790052007Athe controller and press 0098to con-
firm (Y page 53).
X Press the 0061button or the 0098controller.
i Operation using the multifunction steer-
ing wheel (Y page 55)50
Using the telephoneTelephone
Dialing a telephone number from a call
list X
Select Call Lists
Call Lists by sliding00520064,009500520096
or turning 00790052007Athe controller and press
0098 to confirm.
X Select Calls Received
Calls Received orCalls
Calls
Dialed
Dialed and press 0098to confirm.
X Select the entry and press 0098to confirm
(Y page 57).
X Press the 0061button or the 0098controller.
i Operation using the multifunction steer-
ing wheel (Y page 57)
Redial i
Requirement: no characters should have
been entered.
X Press the 0061button.
or
X Select 0059and press 0098the controller.
The most recently dialed telephone num-
bers are displayed.
X Select the desired telephone number.
X Press the 0061button.
or
X In the telephone basic menu in the instru-
ment cluster: press the 0061button on the
multifunction steering wheel. Canceling dialing or ending a call X
Select 0071in the display by sliding 00520064,
009500520096or turning 00790052007Athe controller and
press 0098to confirm.
X Press the 0076button on Audio 20 or on
the multifunction steering wheel. Making a call via speed dial
The speed dial list contains stored phone
book entries (Y page 57).
Option 1:
X Hold down one of the number keys for lon-
ger than two seconds.
Option 2:
X Call up the telephone basic menu
(Y page 48).
X Select Call Lists Call Lists by sliding00520064,009500520096
or turning 00790052007Athe controller and press
0098 to confirm.
X Select Speed
Speed Dial
DialPreset
Preset List
Listby turn-
ing 00790052007Athe controller and press 0098to
confirm.
The speed dial list appears.
X Select preset and press 0098to confirm.
Irrespective of the option chosen, the tele-
phone basic menu appears and displays
the selected entry. This initiates dialing. Functions available during a call
Switching the microphone on/off The menu bar changes when you make a call.
Instead of the
Call Lists Call Listsmenu item, you
will see Mic Off
Mic Off orMic On
Mic On.
X To switch off: selectMic Off
Mic Off by sliding
0052 0064,009500520096or turning 00790052007Athe controller
and press 0098to confirm.
The message: The microphone is off
The microphone is off
appears briefly.
If the microphone is switched off the 004D
icon appears in the main area. The person Using the telephone
51Telephone Z
on the line can hear nothing from your vehi-
cle.
X To switch on: selectMic On
Mic On and press
0098 to confirm.
The message: The microphone is on
The microphone is on
appears briefly.
The 004Dsymbol disappears.
Sending DTMF tones i
This function is not supported by all
mobile phones.
Answering machines or other devices can be
controlled by DTMF tones, e.g. for remote
query functions.
X During an active call, press the respective
keys on the number keypad.
Every character selected will be transmit-
ted immediately.
or
X To select a character: slide009500520096or turn
00790052007Athe controller.
X To confirm your selection: press0098the
controller.
X To send a phone book entry as a DTMF
sequence: selectName
Name by turning 00790052007A
the controller and press 0098to confirm.
X Select the desired phone book entry and
press 0098to confirm.
The entry is sent as a DTMF character
string.
X To return to the call display: select
Back
Back and press 0098to confirm. Using the phone book
Introduction
If the mobile phone supports downloading
contacts via PBAP (Phone Book Access Pro-
file), the mobile phone book will automatically
download to the Audio 20 system when con-
nected. You can also import contacts to the
phone book from a USB device or use Blue-
tooth ®
to receive vCards. i
The phone book can store between 1,000
and 2,000 entries, depending on the size of
the entries. Imported vCards are given pri-
ority when storing and overwrite existing
PBAP contacts if the memory is full.
i Imported contacts are stored perma-
nently in the phone book. For this reason,
you should delete the call lists before sell-
ing the vehicle. Importing external data
Receiving vCards (via the Bluetooth ®
interface) Received vCards are identified by the
00BA
symbol.
You can import vCards from external Blue-
tooth ®
-capable phones into the address
book. Please bear the following in mind:
R Bluetooth ®
must be active on Audio 20 and
on the external Bluetooth ®
-capable tele-
phone; see (Y page 33) and the operating
instructions of the respective mobile
phone.
R the external Bluetooth ®
phone must be
able to send vCards via Bluetooth ®
(see the
operating instructions of the respective
mobile phone).
i If you switch to another operating mode
during vCard reception (e.g. if you press the
002A button), vCard reception is canceled.
X Select Phone
Phone using the controller (slide
0052 0064,009500520096or turn 00790052007A) and press 0098to
confirm. 52
Using the phone bookTelephone
Switching HD Radio on/off
You can switch off HD Radio™ in the radio
submenu:
X Select Radio
Radio in the radio display by sliding
0052 0064the controller and press 0098to confirm.
X Select HD Radio
HD Radio and press0098to confirm.
HD Radio™ on: 0073
HD Radio™ off: 0053
i Notes on HD Radio™:
HD Radio™ is a digital radio system from
the U.S.A. When HD Radio is off, you will
hear only the analog program on all fre-
quencies.
HD Radio™ provides:
R digital transmission on the same wave-
bands as analog AM/FM. The analog
AM/FM stations remain in the same
position when selecting a station.
R broadcasting of several program streams
over a single FM frequency (e.g. HD1,
HD2, etc.).
R clear, interference free reception.
R FM: CD quality sound.
AM: analog FM station sound quality.
R the display of text-based information
(e.g. artist, track name) in the display
For further information on HD Radio™, visit
http://www.hdradio.com . Switching wavebands
You can switch the radio waveband between
FM, MW, WB and SatRadio. Waveband Frequency
FM (VHF) 87.7 – 107.9 MHz
MW (medium wave) 530 – 1710 kHz
WB (weather band) Weather report
channels
Satellite radio Satellite radio sta-
tions
X
Press the 002Abutton once or several
times. Selecting a station
Selecting stations via the station
search function X
Press the 002Abutton once or repeatedly
until the FM FM,AM
AM,WB
WBorSatRadio
SatRadio waveband
appears in the submenu bar.
X Slide 009500520096or turn 00790052007Athe controller
when the display/selection window is
active.
or
X Press the 0048or0049 button.
Station search scans up or down and stops
at the next station, subprogram (HD Radio
mode) or channel (SatRadio mode) found.
Selecting station via the station presets X
Quick setting: press a number key, e.g.
0082. Radio mode
61Audio
X
Directly in the station presets: select
Presets
Presets by sliding 00520064and turning 00790052007A
the controller and press 0098to confirm.
or
X Press 0098the controller when the display/
selection window is active.
The station preset memory appears. The
0036 dot indicates under which preset the
currently selected station is stored.
X Select a station by turning 00790052007Aand press-
ing 0098to confirm or press a number key,
e.g. 0082.
Selecting stations by entering the fre-
quency manually X
Select Radio Radiousing the controller (slide
0052 0064,009500520096or turn 00790052007A) and press 0098to
confirm.
X Select Enter Frequency
Enter Frequency and press0098to
confirm. i
Only permissible numbers for the fre-
quency range can be entered in front of the
decimal point. If a non-permissible number
is entered after the decimal point, the next
lowest frequency is set.
X Press the number keys on the number key-
pad.
Audio 20 tunes in to the frequency. Setting a station via the multifunction
steering wheel X
In the audio menu in the instrument cluster:
press the 0063or0064 button briefly.
The next or the previous station from the
station list is set.
X In the audio menu in the instrument cluster:
press and hold the 0063or0064 button for
longer than two seconds.
The previous or next station/channel in the
waveband will be set. Storing a station
Storing stations manually Ten stations can be stored for each wave-
band.
i
If a selected preset is already occupied,
the new station will be stored in place of
the old station.
X Quick save: when the display/selection
window is active, press and hold a number
key (0 to 9) on the number keypad until you
hear a tone.
The station is now stored on the selected
preset.
X Directly in the station presets: press0098
the controller when the display/selection
window is active.
or
X Select Presets
Presets using the controller (slide
0052 0064,009500520096or turn 00790052007A) and press 0098to
confirm.
The station preset display appears. The
0036 dot in front of a preset position indi-
cates that the currently selected station is
stored there. 62
Radio modeAudio
Assigning a new preset:
X
Quick save: press and hold a number key,
e.g. 0082, until you hear a tone.
The station is stored.
X Directly in the station presets: press0098
the controller when the display/selection
window is active.
or
X Select Presets
Presets by sliding 00520064and turning
00790052007A the controller and press 0098to con-
firm.
In both cases, the station presets appear.
The 0036dot indicates under which preset
the currently selected station is stored.
X Select a preset by turning 00790052007Athe con-
troller and press and hold 0098until you hear
a tone.
The station is stored under the preset.
Storing stations automatically This function automatically stores stations
with adequate reception under the presets.
The search starts at the lowest frequency.
Audio 20 stores any stations found, beginning
with preset 1. When the highest frequency is
reached or 10 stations have been found, the
storing process ends. Any stations stored
manually under the presets will be lost. Under
certain circumstances, Audio 20 will not use
all presets.
If the process is interrupted by a traffic
announcement, you will have to repeat it. X
Select Presets
Presets using the controller (slide
0052 0064,009500520096or turn 00790052007A) and press 0098to
confirm.
X Select Autostore Autostore and press0098to confirm.
Audio 20 searches for stations with ade-
quate reception. The available stations are
automatically stored in the preset posi-
tions.
The first station found is played automati-
cally. Weather Band
Activating X
Press the 002Abutton repeatedly until
Weather Band is activated.
or
X Select the currently selected waveband FM
FM,
AM AM orSatRadio
SatRadio by sliding00520064and turning
00790052007A the controller and press 0098to con-
firm.
X Select WB
WB from the menu and press 0098to
confirm.
Searching for a channel X
Quick select: turn00790052007A or slide 009500520096the
controller while the display/selection win-
dow is active.
or
X Press the 0048or0049 button.
Channel search scans up or down and
stops at the next channel found.
Selecting a channel from the channel
list X
Select Channel Channel by sliding 00520064and00790052007A
turning the controller and press 0098to con-
firm.
The channel list appears. Radio mode
63Audio
X
Select the channel by turning 00790052007Athe con-
troller and press 0098to confirm.
or
X Press a number key on the control panel,
e.g. 4, at any time. Displaying program information
Radio text: example display
This function is only available for analog FM
programs and digital AM/FM programs (HD
Radio™).
Information relevant to the current station is
shown in the display window.
X Select Info
Info in the radio display by sliding
00520064 and turning 00790052007Athe controller and
press 0098to confirm.
Information on the currently selected sta-
tion is displayed. Content is dependent on
the station.
X To return to the radio display: confirm
Info
Info by pressing 0098.
X Slide 00970052the controller up. Displaying station information
This function is only available for analog FM
programs and digital AM/FM programs (HD
Radio™). X
Select Radio
Radio in the radio display by sliding
0052 0064and turning 00790052007Athe controller and
press 0098to confirm.
X Select Show Station Info Show Station Info and press0098
to confirm.
Display Station Info Display Station Info is switched on
0073 or off 0053, depending on the previous
status. Satellite radio
Important notes
This section provides detailed information on
the following topics:
R Selecting a channel and program category
R Memory functions
R Sound settings
i The SatRadio mode described below
requires optional satellite radio equipment
and registration with a satellite radio pro-
vider.
i Note that the categories and channels
shown in the illustrations depend on the
program content offered by the provider.
The program content may vary. The illus-
trations and descriptions in these operat-
ing instructions may therefore differ from
the channels and categories offered by the
provider.
SatRadio mode may be temporarily inter-
rupted or unavailable for a variety of rea-
sons. These reasons include environmental
or topographical conditions as well as other
issues beyond the control of Mercedes-
Benz USA, LLC. Operation may also be
impaired in certain locations (e.g. tunnels,
parking garages as well as inside or next to
buildings) or in the vicinity of other con-
structions.
i SIRIUS XM Radio offers more than 130
digital-quality radio channels providing
100% commercial-free music, sport, news
and entertainment. 64
Satellite radioAudio