2014 MERCEDES-BENZ C-Class CD player

This device name is predetermined but can
usually be changed. To make a clear selec-
tion of the Bluetooth ®
device possible,
Mercedes-Benz recommends that you cus-
tomize the device name.
i A2DP (Advanced AudioDistribution
Profile): Bluetooth ®
audio profile for audio
data transmission
AVRCP (Audio VideoRemote Control
Profile): Bluetooth ®
audio profile for audio
data playback.
i Not all Bluetooth ®
audio devices available
on the market are equally suitable. For
more information on suitable Bluetooth ®
audio devices and on connecting Blue-
tooth ®
audio devices, visit the website
http://www.mbusa-mobile.com (for
USA). Or call the Mercedes-Benz Customer
Assistance Center at
1-800-FOR-MERCedes (1-800-367-6372)
(for the USA) or Customer Relations at
1-800-387-0100 (for Canada). Preconditions for Audio 20
X Bluetooth ®
must be activated in Audio 20
(Y page 32). Connecting a Bluetooth
®
device
General information Before using your Bluetooth
®
audio device
with Audio 20 for the first time, you will need
to authorize it.
When you authorize a new Bluetooth ®
audio
device, it is connected automatically.
Connecting comprises:
R searching for a Bluetooth ®
audio device
R subsequently authorizing it
You can connect up to 15 Bluetooth ®
devices.
i If you authorize a mobile phone that sup-
ports Bluetooth ®
audio, it is entered in the Bluetooth
®
phone list (Y page 44) as well
as in the Bluetooth ®
device list. Mercedes-
Benz recommends authorizing a mobile
phone in Bluetooth ®
telephony
(Y page 45).
Searching for and authorizing a Blue-
tooth ®
audio device X
Switch on Bluetooth ®
audio mode
(Y page 77).
If you see the No Bluetooth Audio
No Bluetooth Audio
Device Authorized
Device Authorized message, you will
need to authorize the Bluetooth ®
audio
device first.
X Select BT
BT Audio Audio by sliding 00520064and turning
00790052007A the controller and press 0098to con-
firm.
X Select Bluetooth Audio Device List
Bluetooth Audio Device List
and press 0098to confirm. Example: Bluetooth
®
device list
0043 Newly detected mobile phone with Blue-
tooth ®
audio function in range
0044 Bluetooth ®
audio player not within range
but previously authorized (symbol
appears in gray)
X To search: selectSearch Search for
forBT
BTAudio
Audio
Devices
Devices and press 0098to confirm.
Audio 20 searches for Bluetooth ®
audio
devices within range and adds them to the
Bluetooth ®
device list. For this purpose, the
devices must support the A2DP and AVRCP
Bluetooth ®
audio profiles. Bluetooth Audio
75Audio Z

The duration of the search depends on the
number of Bluetooth ®
audio devices within
range and their characteristics.
X To authorize: select a Bluetooth ®
audio
device that has not yet been authorized
from the list by turning 00790052007Athe controller.
X Select the symbol to the right of the Blue-
tooth ®
audio device by sliding 00520096the con-
troller and press 0098to confirm.
X Select Authorize
Authorize and press0098to confirm.
Depending on the Bluetooth ®
audio device
used, you now have two options for con-
tinuing with authorization.
X Option 1: enter the passkey (Y page 45).
After successful authorization, the Blue-
tooth ®
audio device is connected and
starts playing.
X Option 2 (Secure Simple Pairing): if the
digit codes displayed on Audio 20 and on
the Bluetooth ®
audio device are the same,
confirm Yes Yesby pressing 0098.
If you select Yes
Yes, authorization continues
and the Bluetooth ®
audio device is con-
nected. Playback starts.
If you select No
No, authorization will be can-
celed.
i The Bluetooth ®
audio device must sup-
port Bluetooth ®
version 2.1 for connection
via Secure Simple Pairing. Audio 20 creates
a six-digit code, which is displayed on both
devices that are to be connected.
External authorization If Audio 20 does not find your Bluetooth
®
audio device, this may be due to particular
security settings on your Bluetooth ®
audio
device. In this case, check whether your Blue-
tooth ®
audio device can locate Audio 20. The
Bluetooth ®
device name of Audio 20 is MB MB
Bluetooth
Bluetooth . X
Switch on Bluetooth ®
audio mode
(Y page 77).
X Select BT
BTAudio
Audio by sliding 00520064and turning
00790052007A the controller and press 0098to con-
firm.
X Confirm Bluetooth Device List
Bluetooth Device List by
pressing 0098the controller.
X To start the search: confirmConnect
Connect
via
via BT
BTAudio
Audio Device
Device by pressing 0098the
controller.
X To authorize: start the authorization on
the Bluetooth ®
audio device, see the oper-
ating instructions of the Bluetooth ®
audio
device.
After successful authorization, the Blue-
tooth ®
audio device is connected and
starts playing.
i With some Bluetooth ®
audio devices,
playback must be initially started on the
device itself so that Audio 20 can play the
audio data.
Reconnecting a Bluetooth ®
audio
device The Bluetooth
®
audio profiles are connected
automatically under the following circum-
stances:
R one of the last two mobile phones to have
been connected has also been used as a
Bluetooth ®
audio player (if this function is
supported by the mobile phone).
R the mobile phone takes over the automatic
connection itself.
A Bluetooth ®
audio player without telephone
functions is not automatically reconnected,
even if it was the last device connected.
If the No Bluetooth Audio Device Con‐
No Bluetooth Audio Device Con‐
nected nected message appears, you have the fol-
lowing options to connect a Bluetooth ®
audio
device: 76
Bluetooth AudioAudio

Operation with the Media Interface
Important safety notes
G
WARNING
If you handle or operate mobile audio/video
sources when driving, you will be distracted
from the traffic conditions. You could also
lose control of the vehicle. There is a risk of
an accident.
Only handle or operate these mobile audio/
video sources when the vehicle is stationary.
Only operate mobile audio/video sources
using the communication equipment inte-
grated in the vehicle when traffic conditions
permit. If you are not sure that this is possible,
park the vehicle paying attention to traffic
conditions and operate the equipment when
the vehicle is stationary. Connection options
Overview You will find the connection sockets in the
center console stowage compartment.
Device-specific adapter cables are required
to connect external devices to the Media
Interface. These are supplied in country-spe-
cific versions with the Media Interface.
i Store individual parts in a safe place.
Only use genuine Mercedes-Benz connec-
tion cables.
The Media Interface allows you to connect the
following devices to Audio 20:
R iPod ®
R iPhone ®
R certain MP3 players
i iPod ®
and iPhone ®
are registered trade-
marks of Apple Inc., Cupertino, California,
USA.
i MP3 players that support MTP (Media
Transfer Protocol) can be used. This allows
the MP3 player to be easily connected to the Media Interface and removed after use.
Audio data is played without problem. On
some MP3 players, you have to activate the
relevant function; see the MP3 player oper-
ating instructions.
Supported devices For further details and a list of supported
devices, please visit
http://www.mbusa-mobile.com
(custom-
ers in the USA only). Then follow the instruc-
tions in the "Media Interface" section. You
can also call Mercedes-Benz Customer
Service at 1-800-FOR-MERCedes
(1-800-367-6372) (US), or Customer Rela-
tions at 1-800-387-0100 (Canada). Connecting an external device
i At extreme temperatures, e.g. direct sun-
light, external devices cannot be guaran-
teed to function correctly. Mercedes-Benz
accepts no liability for damage to external
devices. Do not leave external devices in
the vehicle.
Never connect more than one device at a
time. You will otherwise not be able to play
back from the external device. Please consult
an authorized Mercedes-Benz Center for fur-
ther information.
USB hubs (devices with several USB connec-
tions) are not supported. 0043
Socket for 3.5 mm jack plug, e.g. for MP3
players
0044 iPod ®
plug, to connect an iPod ®80
Operation with the Media InterfaceAudio

0087
USB socket for connecting an MP3 player
0085 Example of device: iPod ®
X Connect the external device with suitable
socket 0043,0044or0087.
Audio 20 activates the device. If connected
via the iPod ®
connector or USB socket, a
message appears.
If you remove a device, the No
No Device Device Con‐
Con‐
nected
nected message appears.
i A connected iPod ®
or MP3 player should
not be simultaneously operated via the
Media Interface. This may cause unfore-
seen technical difficulties. This applies for
operation with the remote control (e.g.
Bluetooth ®
remote control) or directly via
the device itself.
Applications (Apps) that are activated on
the connected device may lead to malfunc-
tions.
i Connecting a fully discharged iPod ®
or
MP3 player can result in an extended initi-
alization period.
Error messages appear while the device is
being activated if:
R Audio 20 does not support the device con-
nected (External Device Unavailable External Device Unavailable
message).
R the connected device consumes too much
power.
R the Media Interface connection is faulty.
R a mass storage device (such as a USB stick
or USB hard drive) is connected to the
Media Interface (Please connect the Please connect the
device to the other USB port
device to the other USB port mes-
sage).
i The separate USB connection ensures
quick access and expanded media content
options.
Consult an authorized Mercedes-Benz
Center if required. Disconnecting an iPod
®
X Press the release catch on iPod ®
plug 0044
and pull the iPod ®
cable from the iPod ®
,
see the separate cable kit instructions. Switching to Media Interface mode
General notes i
In extreme cases, starting up individual
functions can take up to several minutes.
This depends on the external device and
the nature of the stored data (e.g. video
podcasts).
Only use the original software to save files
on your iPod ®
or MP3 player. Otherwise,
some or all functions may not be available.
Option 1 X
Connect an external device (Y page 80).
Audio 20 activates the device. If connected
via the iPod ®
connector or USB socket, a
message appears. The basic display then
appears.
Option 2: X
Press the 003Abutton one or more times.
Pressing the button repeatedly changes the
operating mode in the following order:
R Audio CD/MP3 (disc)
R USB storage device
R Operation with the Media Interface
R Bluetooth ®
audio mode
R Audio AUX
Option 3 X
Press number key 0083(single CD drive).
This selects the connected external audio
device directly. Operation with the Media Interface
81Audio Z

Option 4
X
In the media list, turn 00790052007Athe controller
to select the entry under position 3 (single
CD drive) and press 0098to confirm.
Audio 20 activates the connected device.
You will see a message to this effect. The
basic display then appears.
If no device is connected, you will see the
Media Interface Media Interface entry instead of a
device name. Example iPod
®
display
0043 Track time
0044 Track number
0087 Track name
0085 Current playback option
0083 Sound settings
0084 Media list
006B Album name (if available)
006C Categories, playlists and/or folders
006D Playback options
006E Type of data medium
006F Cover (if available)
The type of data medium connected 006Eis
indicated by the corresponding iPod ®
or MP3
player symbol.
Symbol 0085displays the current playback
option (not displayed in Normal Track
Normal Track
Sequence Sequence mode).
i If the device connected does not contain
any playable tracks, a message appears to
this effect. Selecting music files
Note i
Audio 20 displays the files stored on the
iPod ®
, iPhone ®
or MP3 player according to
the file structure on the respective
medium.
Selecting by skipping to a track X
To skip forward or back to a track: slide
009500520096or turn 00790052007Athe controller when
the display/selection window is active.
or
X Press the 0049or0048 button.
The skip forward function skips to the next
track. The skip back function skips to the
beginning of the current track if the track
has been playing for more than eight sec-
onds. If the track has been playing for less
than eight seconds, it skips to the start of
the previous track. If a playback option
other than Normal Track Sequence
Normal Track Sequence is
selected, the track sequence is random.
X On the multifunction steering wheel:
switch on Media Interface mode on the
Audio 20 system (Y page 81).
X Press the 0059or0065 button on the mul-
tifunction steering wheel to select the
Audio Audio menu.
X Press the 0063or0064 button briefly. If
you hold down the 0063or0064 button,
the system scrolls through the list more
quickly. Not all media players support this
function.
If track information is available on the
media player, the multifunction display
shows the number and name of the track.
Selecting using the number keypad X
To make an entry: press the007Ebutton.
An input menu appears. The number of
characters available for input depends on
the number of stored tracks. 82
Operation
withthe Media InterfaceAudio

X
To enter a track number: press a number
key, e.g. 0087.
The digit is entered in the first position in
the input line.
i Audio 20 will ignore and not display an
invalid digit.
X Enter more numbers if desired. The track
plays after the last possible number is
entered.
i Pressing and holding a number key for
more than two seconds completes the
entry, and the corresponding track is
played.
Fast forwarding/rewinding X
While the display/selection window is
active: slide 009500520096and hold the controller
until the desired position is reached.
or
X Press and hold the 0048or0049 button
until the desired position is reached.
i On an iPod ®
or iPhone ®
, fast rewind only
functions within the current track. Selecting a category/playlist/folder
iPod ®
and certain MP3 players For an iPod
®
, iPhone ®
or MP3 player, you can
select tracks using categories or folders.
Depending on the device connected, the fol-
lowing categories may be available, for exam-
ple:
R Current Tracklist
Current Tracklist
R Playlists
Playlists (e.g.All Allor "My Top 25")
R Artists
Artists
R Albums
Albums
R Tracks
Tracks
R Podcasts
Podcasts
R Genres
Genres
R Composers
Composers
R Audiobooks
Audiobooks i
Some playback categories contain the
entry All
All . If this entry has been selected,
the entire content of the category selected
will be played.
Calling up a category list
X To open a category list/folder: press0098
the controller when the display/selection
window is active.
or
X Select Music
Music from the basic display using
the controller (slide 00C50052or turn00790052007A)
and press 0098to confirm.
The category list appears.
i The Music Music menu item is not available until
the device has been activated. Example: category list
X
Select Current Tracklist Current Tracklist by turning
00790052007Athe controller and press 0098to con-
firm.
The content of the current track list
appears. Operation
withthe Media Interface
83Audio Z

Example display: current tracklist
0043
Symbol for next folder up
0044 Current category
0087 Track symbol
0085 Current title
X Select the desired track by turning 00790052007A
the controller and press 0098to confirm.
The track is played.
X To switch to the next higher folder:
select the 0051symbol and press 0098to
confirm.
i The 0051symbol always appears at the
top of the track list.
Playing back the content of a category or
folder
X Select a category or folder by turning
00790052007Athe controller.
X Press 0098the controller for longer than two
seconds.
The content of the category or folder
selected is played in accordance with the
playback option selected (Y page 84).
Alphabetical track selection (iPod ®
,
iPhone ®
and MP3 player)
i This function is available for alphabetical
categories and folders. It is not available
within albums or playlists. X
Turn 00790052007Athe controller to select a cate-
gory, such as Artists
Artists, and press 0098to
confirm.
The available artists are displayed.
X Press the corresponding number key once
or repeatedly to select the initial letter of
the desired artist. For example, to select an
artist whose name begins with C, press
number key 0082three times.
The available letters are listed at the lower
edge of the display.
After a message, the first entry in the list
which matches the letter entered is high-
lighted.
i If there is no entry which matches the let-
ter entered, the last entry which matches a
previous letter appears at the top of the list.
i For an iPod ®
, iPhone ®
and MP3 player,
the quality of the search results is highly
dependent on the media program with
which the data was loaded to the device.
Of particular significance is the version and
language variant of the software.
If differing sorting rules are defined (such
as in iTunes ®
), the search will be canceled
without providing any results.
Special feature in iPod ®
/iPhone ®
mode i
If the connected iPod ®
/iPhone ®
is not
functioning or paused, you can search for
tracks but cannot select them. After con-
firming a new track, the Function
Function
Unavailable Unavailable message appears. Playback options
The following options are available:
R Normal Track Sequence Normal Track Sequence
Normal track sequence: you hear the
tracks in their normal order (e.g. numerical
or alphabetical).
R Random Medium Random Medium 84
Operation
withthe Media InterfaceAudio

All the tracks on the medium are played in
random order.
R Random Tracks
Random Tracks
The tracks in the currently active category
or folder, including any subfolders, are
played in random order.
X To select the playback option: select
Media Interface
Media Interface from the basic display
by turning 00790052007Athe controller and press
0098 to confirm.
The options list appears. The 0036dot indi-
cates the option selected.
X Select an option and press 0098to confirm.
i If the connected iPod ®
/iPhone ®
is not
functioning or paused, the playback
options are inactive. The display of options
is grayed out. MP3 player instructions
General information Up to 30,000 tracks per medium are sup-
ported.
You can speed up some functions and
improve the search results by:
R making sure the names of tracks, albums
and artists, for example, are written the
same way
R labeling albums featuring various artists as
"compilations"
i Multiple entries of tracks in playlists are
filtered out for some players
Data formats MP3 and WMA are supported as data formats
with fixed and variable bit rates (up to
320 kbit/s). Special considerations when using MP3
players R
Up to eight directory levels with up to 1,000
tracks per directory are supported.
R Do not use USB extension leads or adapt-
ers. They can impair functionality.
i DRM (Digital Rights Management) pro-
tected files are not supported by the Media
Interface. Audio AUX mode
Notes on audio AUX mode
You can connect an external audio source
(AUX) to Audio 20 using the jack plug in the
center console. Please consult an authorized
Mercedes-Benz Center for further informa-
tion.
Depending on the vehicle model series, the
connection is made using a jack in the stow-
age compartment in the center console or a
USB port (Y page 69).
If Audio 20 is equipped with a Media Inter-
face, the connection is made using the asso-
ciated audio cable set. An AUX socket is not
provided. The connections for the Media
Interface are located in the stowage compart-
ment in the center console.
When you connect an external audio source,
audio AUX is not selected automatically. Switching to audio AUX mode
Option 1 X
Select Audio Audiofrom the main function bar
using the controller (slide 009500520096or turn
00790052007A ) and press 0098to confirm.
If AUX mode was the last mode selected, it
will now be active. Audio AUX mode
85Audio Z