Mercedes-Benz C 300 2021, Operator'S Manual

Page: 52 / 502

#
Always make sure that the there is
nothing in the sweep of the roll bars.
#
Always stow and secure objects in the
vehicle correctly.
The roll bars are under the covers behind the
rear head restraints. The roll bars are triggered
when danger of the vehicle rolling over is detec‐
ted.
Once the roll bars have been triggered, you can
no longer close a soft top that is open. In this
case, consult the next qualified specialist work‐
shop.
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:
R
Tightening the seat belts on the driver's seat
and front passenger seat.
R
Closing the side windows.
R
Vehicles with memory function: move the
front passenger seat to a more favorable
seat position.
R
Vehicles with multicontour seat: Increase
the air pressure in the seat side bolsters of
the seat backrest.
R
PRE-SAFE ® Sound: provided that the multi‐
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
50 Occupant safety