If the vehicle or system components are to
be scrapped, the following must be done
P r o a c t i v e occupant protection
The relevant safety regulations must be observed.
Please note at the beginning of this
chapter
these
The specialist workshops are familiar with
Proactive occupant protection is an assistance
system that activates a series of measures to
protect vehicle occupants in dangerous
situations, but cannot prevent a collision.
Maintenance and disposal of belt
pretensioners
Proactive occupant protection only fully
functions when the function is activated in the
infotainment system and there is no malfunction
Please note at the beginning of this
chapter
When work is carried out on the belt
Basic functions
pretensioners or when other vehicle parts are
removed and fitted for other repair work, the
seat belts may be damaged without being
noticed. In the event of an accident, this may
result in the pretensioners not functioning
properly or not functioning at all.
When the driver or front passenger is wearing a
seat belt, at the start of the journey and
depending on the journey time and speed, the
seat belt is automatically pre-tightened by
reducing its slack as far as possible.
Depending on the legal regulations of the
country in question and the vehicle equipment,
the following functions can be activated
separately or together in critical situations (e.g.
in the event of emergency braking or
understeer and oversteer) from a speed of
approx.
To ensure that the effectiveness of the belt
pretensioners is not impaired and that the
dismantled components do not cause injury or
pollute the environment, the relevant
regulations must be observed. Specialised
workshops are familiar with these regulations.
30 km/h (19 mph):
WARNING
Improper handling and home repairs of seat-
belts and automatic belt reels and
– Reversible tensioning of front seat belts which
are buckled.
pretensioners can increase the risk of serious
or fatal injury. Pretensioners may fail to
activate, even though they should, or may
activate unexpectedly.
– Depending on equipment, automatic closing
of the glass roof and windows until there is
only a slit.
Depending on how critical the driving situation
is, the belts can be tensioned individually or all
at the same time.
● Only a specialised workshop, and never a
workshop itself, shall repair, adjust, dismantle
and fit components of safety belts and their
pretensioners.
Additionally for vehicles with Front Assist
surveillance system
→
p. 376.
● Belt pretensioners and automatic belt
retractors cannot be repaired and must be
replaced.
In vehicles with Front Assist → p. 214
surveillance system, the probability of a rear-
end collision with the vehicle in front is also
calculated within the limits of the system. The
system can activate proactive occupant
protection if it detects that a rear-end collision is
likely or if it triggers a braking manoeuvre.
abrupt.
Airbag modules and belt pretensioners
may contain perchlorate. Observe the legal
regulations relating to the use of perchlorate.
you are going to their disposal.
Security
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