Pre-Safe; System - Mercedes-Benz S-Class 2019 Operator's Manual

46
Occupant safety
®

PRE-SAFE

system

PRE-SAFE ® (anticipatory occupant protec‐
tion)
®
PRE-SAFE is able to detect certain critical driv‐
ing situations and implement pre-emptive meas‐
ures to protect the vehicle occupants.
®
PRE-SAFE can implement the following meas‐
ures independently of each other:
Tightening the seat belts on the driver's seat
R
and front passenger seat.
Closing the side windows.
R
Vehicles with sliding sunroof: Closing the
R
sliding sunroof.
Vehicles with memory function: Moving
R
the front passenger seat to a more favorable
seat position.
Vehicles with memory function in the
R
rear passenger compartment: Moving the
outer rear seats to a more favorable seat
position.
Vehicles with multicontour seat: Increas‐
R
ing the air pressure in the seat side bolsters
of the seat backrest.
Vehicles with rear seat belt buckle
R
extenders: Tightening seat belts on the
outer rear seats.
®
PRE-SAFE Sound: provided that the multi‐
R
media system is switched on, generates a
brief noise signal to stimulate the innate pro‐
tective mechanism of a person's hearing.
* NOTE Damage caused by objects in the
footwell or behind the seat
The automatic adjustment of the seat posi‐
tion may result in damage to the seat and/or
the object.
Stow objects in a suitable place.
#
®
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 your‐
self.
If the seat belt pre-tensioning is not reduced,
#
move the seat backrest back slightly.
The locking mechanism releases.
Function of PRE-SAFE ® PLUS (anticipatory
occupant protection plus)
PRE-SAFE ® PLUS can detect certain impacts,
particularly an imminent rear impact, and take
pre-emptive measures to protect the vehicle
occupants. These measures cannot necessarily
prevent an imminent impact.
PRE-SAFE ® PLUS can implement the following
measures independently of each other:
Tightening the seat belts on the driver's seat
R
and front passenger seat.
Vehicles with electric rear seats: tighten‐
R
ing seat belts on the outer rear seats.
Increasing brake pressure when the vehicle
R
is stationary. This brake application is can‐
celed automatically when the vehicle pulls
away.