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Safety and Security
Occupant safety
Self-test Occupant Classification
System
After turning the SmartKey in the starter
switch to position 1 or 2 or pressing the
KEYLESS-GO* start/stop button once or
twice (
୴ page 346), the 59
indicator lamp 1 located in the center
console illuminates. If an adult occupant is
properly sitting on the front passenger
seat and the system senses the occupant
as being an adult, the 59 indi-
cator lamp will illuminate and go out after
approximately 6 seconds.
If the seat is not occupied and the system
senses the front passenger seat as being
empty, the 59 indicator lamp
will illuminate and not go out.
For more information, see the “Practical
hints” section (
୴ page 610).
ț Do not stuff objects such as books be-
tween the middle console and the front
passenger seat.
ț Do not move the front passenger seat
backwards against stiff objects.
ț Sit properly belted in a position that is
as upright as possible with your back
against the seat backrest.
ț Do not lean on the armrests or lift your-
self from the seat by using the handle
over the door as this may cause the OCS
to be unable to correctly approximate
the occupant weight category.
ț Only have the seat repaired or replaced
by an authorized Mercedes-Benz Cen-
ter.
ț Read and observe all warnings in this
chapter.
Warning! G
If the 59 indicator lamp should
not illuminate, the system is not functioning.
You must contact an authorized
Mercedes-Benz Center before seating any
child on the front passenger seat.
Warning! G
Never place anything between seat cushion
(e.g. pillow), since it reduces the effective-
ness of the Occupant Classification System.
The bottom of the child seat must make full
contact with the passenger seat cushion. 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.