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not use the vehicle or a key for an extended
period of time.
Press and hold the key button ß.
#
With the key button ß pressed, immedi-
#
ately press key button Ü twice in quick
succession.
The indicator light of the key lights up once
briefly, and then again for longer.
%
You have the following options to reactivate
the key:
Press any button on the key.
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Start the vehicle with the key in the centre
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console storage compart-
ment(
page 246).
/
▌Overview of emergency call systems
Both the Mercedes-Benz emergency call system
as well as the 112 emergency call system (EU
eCall) can help to reduce the time between an
accident and the arrival of emergency services at
the site of the accident. They help locate an acci-
dent site in places that are difficult to access.
Both emergency call systems can initiate an emer-
gency call automatically (
page 537) or man-
/
ually (
page 537).
/
Only make emergency calls if you or others are in
need of rescue. Do not make an emergency call in
the event of a breakdown or a similar situation.
Indicators in the displays
The following messages appear on the central dis-
play or the media display of both emergency call
systems:
SOS NOT
READY: the vehicle is not switched
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on or the emergency call system is malfunc-
tioning. This does not necessarily indicate
complete failure of the emergency call system.
Emergency calls can 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 emer-
gency 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
vehicle is switched on.
F118 0058 02
Quick start and Tips
G: the icon appears in the display during
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an active emergency call.
%
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 will also appear
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in the driver's display.
The SOS button lights up red continuously.
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▌Emergency guide
In the event of an accident or breakdown, the
emergency guide shows safety notes on the cen-
tral display.
These include, for example:
Recommended actions when leaving the vehi-
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cle
Procedure for safely removing seat belts in the
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event of an accident whereby the vehicle
comes to rest on its roof
59
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