Mercedes-Benz G 550 2015 Operator's Manual page 200

Features
198
phone network, a valid SIM card and a sub-
scription to a security service.
the battery is sufficiently charged.
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the corresponding mobile phone network is
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available for transmitting data to the Cus-
tomer Center.
Determining the location of the vehicle on
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a map is only possible if there is sufficient
GPS reception and the vehicle position can
be forwarded to the Customer Center.
The mbrace system
To adjust the volume during an mbrace call,
proceed as follows:
Press the W or X button on the mul-
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tifunction steering wheel.
or
Use the COMAND volume control.
X
The mbrace system provides three different
services:
Automatic and manual emergency call
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Roadside Assistance call
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MB Info call
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USA only: you can find more information and
a description of all available features under
"Owners Online" at http://
www.mbusa.com.
System self-test
G
WARNING
A malfunction in the system has been detec-
ted if one of the following conditions occurs:
the indicator lamp in the SOS button does
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not light up during the system self-diagno-
sis.
the indicator lamp in the º Roadside
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Assistance button does not light up during
the system self-diagnosis.
the indicator lamp in the E information
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button does not light up during the system
self-diagnosis.
the indicator lamp in the SOS button, º
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Roadside Assistance button or E infor-
mation button continues to be lit red after
the system self-diagnosis.
Tele Aid inoperative
the
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not activated
message appears on the
multifunction display after the system self-
diagnosis.
If a malfunction is indicated as outlined above,
the system may not operate as expected. In
the event of an emergency, assistance must
be summoned by other means.
Have the system checked at the nearest
authorized Mercedes-Benz Center or contact
the following service hotlines:
USA: Response Center at
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1-888-990-9007
Canada: Customer Service at
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1-888-923-8367
After you have switched on the ignition, the
system carries out a self-diagnosis.
Emergency call
Important safety notes
G
WARNING
If the indicator lamp in the SOS button is
flashing continuously and there was no voice
connection to the Response Center estab-
lished, then the mbrace system could not ini-
tiate an emergency call (e.g. the relevant cel-
lular phone network is not available).
Call Failed
The message
multifunction display for approximately
10 seconds.
Should this occur, assistance must be sum-
moned by other means.
! You must have a license agreement to
activate the mbrace service. Ensure that
your system is activated and ready for use,
and press the E MB Info call button to
register. If one of these steps is not carried
out, it may not be possible to activate the
system.
Tele Aid
or
appears in the