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Safety and Security
Occupant safety
The 56 indicator lamp is located in
the center console.
1 Front passenger front air bag off
indicator lamp
The 56 indicator lamp 1 will be
illuminated, except with the SmartKey
removed from the starter switch or with
the starter switch in position 0.
Self-test Occupant Classification
System
After turning the SmartKey in the starter
switch to position 1 or 2, the
56 indicator lamp located in the
center console illuminates. If an adult oc-
cupant is properly sitting on the front pas-
senger seat and the system senses the
occupant as being an adult, the
56 indicator 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 56 indicator lamp will
illuminate and not go out.
Warning! G
If the 1 indicator lamp and the
56 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 Sit properly belted in a nearly upright
position 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.