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308 MBUX multimedia system
Indicators in the displays
The following messages appear in the multime‐
dia system display for both emergency call sys‐
tems:
SOS NOT
READY: the ignition is not on or
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eCall is not available. This does not necessa‐
rily indicate complete failure of the emer‐
gency call system. Emergency calls call still
be transmitted.
The display only refers to the vehicle and
does not take account of the availability of
mobile phone networks and the Mercedes-
Benz emergency call centre.
The functional readiness of the emergency
call system on the vehicle can be seen when
the
SOS NOT READY
display disappears once
the ignition is switched on.
G: The icon appears in the display during
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an active emergency call.
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If there is a malfunction of the emergency
call system, the loudspeakers, microphone,
airbag or the SOS button, for example, are
faulty.
You can recognise a fault in the emergency
call system by the following displays:
A corresponding message appears on the
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driver display.
The SOS button lights up red continu‐
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ously.
Triggering an automatic emergency call
Requirements:
The ignition is switched on.
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The starter battery is sufficiently charged.
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Both the Mercedes-Benz emergency call system
as well as the 112 emergency call system (EU
eCall) automatically initiate an emergency call:
After activation of the restraint systems such
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as airbags or seat belt tensioners after an
accident
After an automatically initiated emergency
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stop by Active Emergency Stop Assist
The emergency call has been made:
A voice connection is established with the
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emergency call centre.
A message with accident data is transmitted
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to the emergency call centre.
The SOS button in the overhead control panel
flashes until the emergency call is finished.
If no connection can be made to the public
emergency services, a corresponding message
appears in the display.
Dial the emergency number 112 or an appro‐
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priate local emergency call number on your
mobile phone.
If an emergency call has been initiated:
Remain in the vehicle if the road and traffic
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conditions permit you to do so until a voice
connection is established with the emer‐
gency call centre.
On the basis of the call, the emergency call
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centre decides whether it is necessary to call
rescue teams and/or the police to the acci‐
dent site.
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