Automatic Measures After An Accident - Mercedes-Benz B-Class hatchback 2022 Owner's Manual

* NOTE Damage caused by objects in the
footwell or behind the seat
The automatic adjustment of the seat position
may result in damage to the seat and/or the
object.
Stow objects in a suitable place.
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Reversing the PRE-SAFE system measures
If an accident did not occur, the pre-emptive
measures that were taken are reversed.
You will need to perform certain settings yourself.
If the seat belt pre-tensioning is not reduced,
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move the seat backrest back slightly.
The locking mechanism releases.
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Function of PRE-SAFE PLUS (anticipatory occu-
pant protection plus)
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PRE-SAFE PLUS can detect certain impacts, par-
ticularly an imminent rear impact, and take pre-
emptive measures to protect the vehicle occu-
pants. These measures cannot necessarily pre-
vent an imminent impact.
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PRE-SAFE PLUS can implement the following
measures independently of each other:
Tightening the seat belts on the driver's seat
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and front passenger seat.
Activating the rear hazard warning lights at a
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higher flashing frequency.
Increasing brake pressure when the vehicle is
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stationary. This brake application is cancelled
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
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or
when the vehicle is towing a trailer and there
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is a risk of a rear impact
Occupant safety
The system will not initiate any braking application
in the following situations:
whilst driving
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or
when entering or exiting a parking space while
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using Active Parking Assist

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)
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activating the hazard warning lights
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triggering an automatic emergency call
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( page 331)
/
switching off the engine
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To start the vehicle again, switch the vehicle
off and on once more ( page 173). Depend-
/
ing on the type and severity of the accident,
you may no longer be able to start the vehicle.
switching off the fuel supply
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