X
Press release button ? and guide belt
tongue ; back towards belt sash
guide :.
Belt warning for the driver and front
passenger
The 7 seat belt warning lamp in the instru-
ment cluster is a reminder for all occupants
to fasten their seat belts. It may light up con-
tinuously or flash. In addition, there may be a
warning tone.
The 7 seat belt warning lamp goes out and
the warning tone ceases when the driver and
the front passenger have fastened their seat
belt.
For certain countries only: regardless of
whether the driver and the front passenger
have fastened their seat belts, the 7 seat
belt warning lamp lights up for six seconds
after the engine is started. It then goes out if
the driver and the front passenger have fas-
tened their seat belts.
i
For more information on the 7 seat
belt warning lamp, see "Indicator and warn-
ing lamps in the instrument cluster, seat
belt" (Y page 233).
Belt tensioners, belt force limiters
G
WARNING
If the seat belt tensioners have been trig-
gered, they provide no additional protection
in the event of another accident. Therefore,
have belt tensioners which have been trig-
gered replaced at a qualified specialist work-
shop.
Comply with safety regulations when dispos-
ing of belt tensioners. Any Mercedes-Benz
Service Centre can provide details of these
regulations.
!
If the front-passenger seat is not occu-
pied, do not engage the seat belt tongue in
the buckle on the front-passenger seat.
Otherwise, the belt tensioner could be trig-
gered in the event of an accident.
X
In order to ensure that the pyrotechnic seat
belt tensioners have not been triggered,
always have the seat belts checked after an
accident.
If the belt tensioners have been triggered,
they must be replaced.
The seat belts on the following seats are fitted
with belt tensioners:
R
driver's and front-passenger seat
R
the outer seats in the second row
R
the seats in the third row
The belt tensioners tighten the seat belts in
an accident, pulling them close against the
body.
Belt tensioners do not correct incorrect seat
positions or incorrectly fastened seat belts.
Belt tensioners do not pull vehicle occupants
back towards the backrest.
If the seat belt is also fitted with a belt force
limiter and this is triggered, the force exerted
by the seat belt on the vehicle occupant is
reduced.
The belt force limiters for the front seats are
synchronised with the front airbags, which
take on a part of the deceleration force. This
results in the force exerted on the occupant
being distributed over a greater area.
The belt tensioners can only be activated
when:
R
the ignition is switched on.
R
the restraint systems are operational; see
"SRS warning lamp" (Y page 41).
R
the belt tongue is engaged in the buckle on
each of the three-point seat belts in the
front.
The belt tensioners on the outside seats in the
second row and on the seats in the third row
are triggered independently of the lock status
of the seat belts.
The belt tensioners are triggered depending
on the type and severity of an accident:
R
if, in the event of a head-on or rear-end col-
lision, the vehicle decelerates or acceler-
50
Occupant safety
Safety
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