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Audio system
171
General notes
Making calls via Bluetooth
®
interface
The audio system telephone function via the
Bluetooth
®
interface is available in conjunc-
tion with a Bluetooth
®
enabled mobile phone.
With a suitable mobile phone, you can use the
hands-free device and receive electronic
business cards (vCards) via the Bluetooth
®
interface.
Further information on suitable mobile
phones and on connecting Bluetooth
®
ena-
bled mobile phones to the audio system are
available at an authorized Mercedes-Benz
Center.
Calls disconnected while the vehicle is in
motion
Interruptions to the connection may occur if
R
there is insufficient mobile network cover-
age.
R
you move from one mobile network trans-
mitter/receiver area (mobile network cell)
into another and no channels are free or the
cell is full.
R
you are using a SIM card that is not com-
patible with the available network.
R
when using a mobile phone with “Twin-
card”, the mobile phone is simultaneously
logged into the network with the second
SIM card.
Operating options
i
The components and operating principles
of the audio system can be found on
(Y page 129) and (Y page 134).
When the mobile phone is connected via the
Bluetooth
®
interface to the audio system, you
can operate the mobile phone using the fol-
lowing devices:
R
buttons s and t and keypad on
audio control unit
R
multifunction steering wheel
Please note that these functions are only
available with Mercedes-Benz approved
mobile phones. Please contact an authorized
Mercedes-Benz Center for information on
features available for your mobile phone of
choice.
i
In order for the functions described in this
section to work correctly, the Bluetooth
®
telephone must be linked to the audio sys-
tem (Y page 139). Please make sure any
other Bluetooth
®
device linked with the
mobile phone is switched off before you
use the telephone functions with the audio
system.
Changes or modifications not expressly
approved by the party responsible for com-
pliance could void the user’s authority to
operate the equipment.
The head unit internal Bluetooth
®
transmitter
must not be co-located or operated in con-
junction with any other antenna or transmit-
ter.
This equipment complies with FCC/IC radia-
tion exposure limits set forth for uncontrolled
equipment and meets the FCC radio fre-
quency (RF) Exposure Guidelines in Supple-
ment C to OET65 and RSS-102 of the IC radio
frequency (RF) Exposure rules. This equip-
ment has very low levels of RF energy that it
is deemed to comply without testing of spe-
cific absorption ratio (SAR).
Unless otherwise indicated, the descriptions
and illustrations in this section refer to audio
system.
Controls in detail