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Occupant safety
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In order to ensure proper operation of the
air bag system and OCS:
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Sit with the seat belt properly fastened in
a position that is as upright as possible
with your back against the seat backrest.
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While seated, an occupant should not
position him/herself in such a way as to
cause the occupant’s weight to be lifted
from the seat bottom as this may result
in the OCS being unable to correctly
approximate the occupant’s weight
category.
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Read and observe all warnings in this
chapter.
Occupant Classification System Self-
test
After turning the SmartKey in the starter
switch to position 1 or 2 or pressing the
KEYLESS-GO start/stop button once or
twice, the 56 indicator lamp
illuminates. If an adult occupant is properly
sitting on the front passenger seat and the
system classifies the occupant as an adult,
the 56 indicator lamp will illuminate
and go out after approximately 6 seconds.
If the seat is not occupied and the system
classifies the front passenger seat as being
empty, the 56 indicator lamp will
illuminate and not go out.
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Warning!
If the 56 indicator lamp does not
illuminate, the system is not functioning.
You must contact an authorized Mercedes-
Benz Center before seating any child on the
front passenger seat.
For more information, see the “Practical
hints” section (Y page 318).
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Warning!
Never place anything between seat cushion
and child seat (e.g. pillow), since it reduces
the effectiveness of the OCS. The bottom
and back of the child seat must make full
contact with the passenger seat cushion
and backrest.
If necessary, adjust the tilt of the passenger
seat backrest.
An incorrectly mounted child seat could
cause injuries to the child in case of an
accident, instead of increasing protection
for the child.
Follow the manufacturer’s instructions for
installation of child seats.
Seat belts
Safety notes
The use of seat belts and infant and child
restraint systems is required by law in all 50
states, the District of Columbia, the U.S.
territories and all Canadian provinces.
Even where this is not the case, all vehicle
occupants should have their seat belts
fastened whenever the vehicle is in motion.
For information on infants and children
traveling with you in the vehicle and restraint
systems for infants and children, see
“Children in the vehicle” (Y page 58).
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Warning!
Always fasten your seat belt before driving
off. Always make sure all of your
passengers are properly restrained. You
and your passengers should always wear
seat belts.
Failure to wear and properly fasten and
position your seat belt greatly increases
your risk of injuries and their likely severity
in an accident.
If you are ever in an accident, your injuries
can be considerably more severe without
your seat belt properly buckled. Without
your seat belt buckled, you are much more
Safety and security
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