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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 337), the 59
indicator lamp 1 located in the dash-
board 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.
Warning! G
If the = indicator lamp and the
59 indicator lamp are lit at the
same time, there is a malfunction in the
Occupant Classification System. The front
passenger front air bag will be deactivated
in this case.
In order to ensure proper operation of the
air bag system and OCS:
ț Have the system checked as soon as
possible by qualified technicians.
Contact an authorized Mercedes-Benz
Center.
ț Do not place more than 4.4 lbs (2 kg)
into the ruffled storage bag on the back
of the front passenger seat. Otherwise,
the OCS may not be able to properly
approximate the occupant weight
category.
ț Do not place objects under and/or
around the front passenger seat.
ț Do not hang anything from or attach any
items to the seats.
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
Center.
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 see an authorized Mercedes-Benz
Center before seating any child on the front
passenger seat.