Preventive Occupant Safety (Pre-Safe) - Mercedes-Benz S 4300 Operator's Manual

Mercedes-benz automobile operator's manual
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Safety and Security
Occupant safety

Preventive occupant safety (PRE-SAFE)

Warning
The PRE-SAFE system is intended to reduce
the effects of an accident on properly seat
belted vehicle occupants. Despite having
the PRE-SAFE systems in your car, the pos-
sibility of injuries occurring as a result of an
accident cannot be totally eliminated.
Therefore you should always drive carefully
and adjust your driving to the prevailing
road, weather, and traffic conditions.
Your vehicle automatically takes preven-
tive measures to better protect the occu-
pants in the following hazardous
situations:
You execute an emergency braking ma-
neuver and the Brake Assist System
( page 78) is activated.
The PRE-SAFE system detects a critical
driving dynamics situation.
68
In such cases, the following systems are
automatically activated:
G
A front seat belt with the seat belt
buckled is pre-tensioned electrically.
If the occupied front passenger seat or
rear seats are in an unfavorable posi-
tion, they are adjusted to a better posi-
tion. Rear seat adjustment occurs only
in vehicles with individual seats* in the
rear.
The sliding/pop-up roof closes if the
vehicle is in a severe skid or is spin-
ning.
i
The PRE-SAFE systems are activated in
the previously described circumstanc-
es only at speeds exceeding 22 mph
(35 km/h).
When the driving dynamic situation has
passed without an accident occurring,
the pre-tensioning on the seat belts is
deactivated.
You can then adjust the seats and the
sliding sunroof to their previous posi-
tion.
If the seat belts do not release:
Adjust the backrest or seat slightly to
the rear until the seat belt tension is di-
minished.
The locking mechanism releases.

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