Mercedes-Benz S-Class Saloon 2021, Owner'S Manual

Page: 63 / 621

If the front passenger seat is occupied, always
ensure that:
R
The classi cation of the person in the front
passenger seat is correct and the front
passenger airbag is enabled or disabled in
accordance with the person in the front
passenger seat.
R
The person is seated properly with a cor-
rectly fastened seat belt.
R
The front passenger seat has been moved
as far back as possible.
Be sure to also observe the following further rela-
ted subjects:
R
Child restraint system on the front passenger
seat (
/
page 77)
R
Suitable positioning of the child restraint sys-
tem (
/
page 67)
PRE-S PRE-SAFE AFE ® ® syst system em
FFunction of PRE-S unction of PRE-SAFE AFE
® ®
(anticipat (anticipator ory occupant y occupant
prot protection) ection)
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:
R
Tightening the seat belts on the driver's seat
and front passenger seat.
R
Closing the side windows.
R
VVehicles wit ehicles with sliding sunr h sliding sunroof: oof: closing the slid-
ing sunroof.
R
VVehicles wit ehicles with memor h memory function: y function: moving the
front passenger seat to a more favourable seat
position.
R
VVehicles wit ehicles with memor h memory function in t y function in the r he rear ear
com compar partment: tment: moving the outer rear seats to
a more favourable seat position.
R
VVehicles wit ehicles with multicont h multicontour seat our seat:: increasing the
air pressure in the seat side bolsters of the
seat backrest.
R
PRE-SAFE
®
Sound: provided that the multime-
dia system is switched on, generating a brief
noise signal to stimulate the innate protective
mechanism of a person's hearing.
* NNOOTE TE 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.
RReevver ersing t sing the PRE-S he PRE-SAFE AFE
® ®
syst system measur em measures es
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,
move the seat backrest back slightly.
The locking mechanism releases.
60 60 Occupant safety