Mercedes-Benz 2012 A Class - Manual (Page 51)

the driver and the front passenger have fas-
tened their seat belts.
i For more information on the 7 seat
belt warning lamp, see "Warning and indi-
cator lamps in the instrument cluster, seat
belt" (
Y page 257).
Rear seat belt status indicator
Example: rear seat belt status indicator
The rear-compartment seat belt status indi-
cator indicates the rear seat on which the belt
is fastened. In the example, the occupant on
the right rear seat, when viewed in the direc-
tion of travel, is secured. The ü symbol in
the display indicates a fastened seat belt. If a
seat belt is not fastened or if a seat is not
occupied, the ý symbol is displayed.
The rear-compartment seat belt status indi-
cator appears in the multifunction display for
around 30 seconds if:
R
you drive off and reach a speed of approx-
imately 10 km/h.
R
the rear passengers fasten or unfasten
their seat belts while the vehicle is in
motion.
R
someone gets in or out of the vehicle and
the vehicle drives off again.
You can also cancel the rear seat belt status
indicator immediately (
Y page 229).
i The status indicator for the rear-compart-
ment seat belts is only available for certain
countries.
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.
The front seat belts and the outer seat belts
in the rear are equipped with belt tensioners
and belt force limiters.
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.
The belt tensioners can only be activated
when:
R
the ignition is switched on.
R
the restraint systems are operational; see
"6 SRS warning lamp" (
Y page 41).
R
the belt tongue is engaged in the buckle on
each of the front seat belts.
The belt tensioners on the outside seats in the
rear compartment are triggered independ-
ently 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-
ates rapidly in a longitudinal direction dur-
ing the initial stages of the impact
R
if, in the event of a side impact, on the side
opposite the impact the vehicle deceler-
Occupant safety
49
Safety
Z