Mercedes-Benz 2013 CL Operator's Manual page 408

Features
406
To adjust the volume during an mbrace call,
proceed as follows:
Press the W or X button on the
X
multifunction steering wheel.
or
Use the H volume controller of
X
COMAND ( page 111).
Y
You can find further information and a
description of all available features under
"Owners Online" at http://
17
www.mbusa.com
System self-test
After you have switched on the ignition, the
system carries out a self-diagnosis.
A malfunction in the system has been
detected if one of the following occurs:
the indicator lamp in the SOS button does
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not come on during the system self-test.
the indicator lamp in the º Roadside
R
Assistance button does not light up during
self-diagnosis of the system.
the indicator lamp in the E MB-Info call
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button does not light up during self-
diagnosis of the system.
the indicator lamp in one or more of the
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following buttons continues to light up red
after the system self-diagnosis:
SOS button
-
the º Roadside Assistance call
-
button
the E MB Info call button
-
the Tele Aid Inoperative
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Not Activated
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.
17 USA only.
.
or Tele Aid
message appears in the
Have the system checked at the nearest
authorized Mercedes-Benz Center or contact
the following service hotlines:
USA: Mercedes-Benz Customer Assistance
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Center at
1-800-FOR-MERCedes (1-800-367-6372)
or 1-888-990-9007
Canada: Customer Service at
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1-888-923-8367
Emergency call
Important safety notes
! 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.
If you have questions about the activation,
contact one of the following telephone
hotlines:
USA: Mercedes-Benz Customer
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Assistance Center at
1-800-FOR-MERCedes
(1-800-367-6372) or 1-888-990-9007
Canada: Customer Service at
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1-888-923-8367
An emergency call is dialed automatically if
an air bag or Emergency Tensioning Device is
triggered.
i
You cannot end an automatically
triggered emergency call yourself.
An emergency call can also be initiated
manually.
As soon as the emergency call has been
initiated, the indicator lamp in the SOS button
flashes. The Connecting Call
appears on the multifunction display.
Emergency Call Activated
COMAND display. The audio system is muted.
message
is shown in the