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Audio system
191
Calls disconnected while the vehicle is in
motion
Interruptions to the connection may occur if
R
there is insufficient mobile network
coverage.
R
you move from one mobile network
transmitter/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
compatible with the available network.
R
when using a mobile phone with
“Twincard”, 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 153) and (Y page 161).
When the mobile phone is connected via the
Bluetooth
®
interface to the audio system, you
can operate the mobile phone using the
following devices:
R
buttons s and t and keypad on
audio control unit
R
audio controller in center console
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
system (Y page 166). 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
compliance could void the user’s authority to
operate the equipment.
The head unit internal Bluetooth
®
transmitter
must not be co-located or operated in
conjunction with any other antenna or
transmitter.
This equipment complies with FCC/IC
radiation exposure limits set forth for
uncontrolled equipment and meets the FCC
radio frequency (RF) Exposure Guidelines in
Supplement C to OET65 and RSS-102 of the
IC radio frequency (RF) Exposure rules. This
equipment has very low levels of RF energy
that it is deemed to comply without testing of
specific absorption ratio (SAR).
Unless otherwise indicated, the descriptions
and illustrations in this section refer to audio
system.
Caller ID
The audio system can display the telephone
number and the name of the caller, e. g. for
an incoming call and also in other menus or
displays.
For the telephone number to be displayed,
the caller must transmit their telephone
number. Otherwise Unknown will be shown on
the audio display.
This is also the case for name displays. For
this, the telephone number and the name of
Controls in detail
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