Reversing the PRE-SAFE
®
sy
stem 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,
mo
ve the seat backrest back slightly.
The locking mechanism releases.
Function of PRE-SAFE
®
PL
US (anticipatory occu-
pant protection plus)
PRE-SAFE
®
PL
US 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.
PRE-SAFE
®
PLUS can implement the following
measures independently of each other:
R
Tightening the seat belts on the driver's seat
and front passenger seat.
R
Activating the rear hazard warning lights at a
higher ashing frequency.
R
Incr
easing brake pressure when the vehicle is
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:
R
when reversing
or
R
when the vehicle is towing a trailer and there
is a risk of a rear impact
The system will not initiate any braking application
in the following situations:
R
whilst driving
or
R
when entering or exiting a parking space while
using Active Parking Assist
Function of PRE-SAFE
®
Im
pulse 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
inating an air cushion in the outer seat side bol-
ster of the seat backrest on the side on which the
impact is anticipated. This increases the distance
between the door and the vehicle occupant.
Vehicles with E-ACTIVE BODY CONTROL: the body
can also be slightly raised.
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 aer an accident
Depending on t
he type and severity of the acci-
dent, and depending on the vehicle's equipment,
the following measures can be implemented, for
example:
R
automatic braking (post-collision brake)
Occupant safety
65
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