Automatic Measures After An Accident - Mercedes-Benz S-Class 2020 Owner's Manual

Increasing brake pressure when the vehicle
R
is stationary. This brake application is cancel‐
led automatically when the vehicle pulls
away.
If an accident did not occur, the pre-emptive
measures that were taken are reversed.
System limits
The system will not initiate any action in the fol‐
lowing situations:
when reversing
R
or
when the vehicle is towing a trailer and there
R
is a risk of a rear impact
The system will not initiate any braking applica‐
tion in the following situations:
whilst driving
R
or
when entering or exiting a parking space
R
while using Active Parking Assist
®
Function of PRE-SAFE Impulse Side
If an imminent side impact is detected, PRE-
®
SAFE Impulse Side can pre-emptively move the
front seat vehicle occupant's upper body
towards the centre of the vehicle. It does this by
rapidly inflating an air cushion in the outer seat
side bolster of the seat backrest on the side on
which the impact is anticipated. This increases
the distance between the door and the vehicle
occupant.
®
If PRE-SAFE Impulse Side has been deployed or
is faulty, the PRE-SAFE impulse side inoperative
See Owner's Manual( page 504) display mes‐
/
sage appears.

Automatic measures after an accident

Depending on the type and severity of the acci‐
dent, and depending on the vehicle's equipment,
the following measures can be implemented, for
example:
automatic braking (post-collision brake)
R
activating the hazard warning lights
R
Occupant safety
triggering an automatic emergency call
R
( page 345)
/
switching off the engine
R
To restart the vehicle, switch the ignition off
and switch it back on ( page 200).
/
Depending on the type and severity of the
accident, it is possible that the vehicle can
no longer be started.
switching off the fuel supply
R
unlocking the vehicle doors
R
lowering the side windows
R
displaying the emergency guide in the central
R
display
switching on the interior lighting
R
Function of the post-collision brake
Depending on the accident situation, the post-
collision brake can minimise the severity of a fur‐
ther collision or even avoid it.
If an accident is detected, the post-collision
brake can implement automatic braking. When
the vehicle has come to a standstill, the electric
parking brake is automatically applied.
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