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On Audio 20
X
Bluetooth
®
must be activated in Audio 20
(
Y
page 32).
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
When you authorize a mobile phone that
supports Bluetooth
®
audio, it will be
entered in the Bluetooth
®
telephone list
(
Y
page 39) as well as in the Bluetooth
®
device list. Mercedes-Benz recommends
authorizing a mobile phone in Bluetooth
®
telephony (
Y
page 39).
Searching for and authorizing a
Bluetooth
®
audio device
X
Switch on Bluetooth
®
audio mode
(
Y
page 71).
If you see the
No Bluetooth Audio
Device Authorized
message, you will
need to authorize the Bluetooth
®
audio
device first.
X
Select
BT Audio
using the controller (slide
V
Æ
and turn
cVd
) and press
W
to
confirm.
X
Select
BT Audio
and press
W
to confirm.
X
To search: select
Update
and press
W
to
confirm.
Audio 20 scans for Bluetooth
®
audio
devices within range and enters them in the
Bluetooth
®
device list if they support the
A2DP and AVRCP Bluetooth
®
audio
profiles.
The duration of the search depends on the
number of Bluetooth
®
audio devices within
range and their characteristics.
Example: Bluetooth
®
device list
The Bluetooth
®
device list shows all
Bluetooth
®
audio devices within range and all
previously authorized Bluetooth
®
audio
devices, whether or not they are in range.
X
To authorize: select a Bluetooth
®
audio
device that has not yet been authorized
from the list by turning
cVd
the controller.
X
Select
Options
by sliding
VY
the
controller and press
W
to confirm.
X
Select
Authorize
and press
W
to confirm.
After successful authorization, the
Bluetooth
®
audio device is connected and
starts playing.
X
External authorization: Audio 20 may not
be able to locate your Bluetooth
®
audio
device due to the specific security settings
of the Bluetooth
®
audio device itself. In this
case, check whether your Bluetooth
®
device can locate the Audio 20 system
(
Y
page 40). The Bluetooth
®
device name
of Audio 20 is
MB Bluetooth
.
After successful authorization, the
Bluetooth
®
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.
Bluetooth
®
audio
69
Audio
Z