Problems with the Occupant Classification System (OCS)
Be sure to observe the notes on "System self-test" (Y page 50).
Problem
Possible causes/consequences and MM Solutions
The PASSENGER AIR
BAG OFF indicator lamp
lights up and remains
lit, even though the
front-passenger seat is
occupied by an adult or
a person of a stature
corresponding to that of
an adult.
The classification of the person on the front-passenger seat is incor-
rect.
X
Make sure the conditions for a correct classification of the per-
son on the front-passenger seat are met (Y page 47).
X
If the PASSENGER AIR BAG OFF indicator lamp remains lit, the
front-passenger seat may not be used.
X
Have OCS checked as soon as possible at an authorized
Mercedes-Benz Center.
The PASSENGER AIR
BAG OFF indicator lamp
does not light up
and/or does not stay
on.
The front-passenger
seat is:
R
unoccupied
R
occupied by the
weight of a child up
to twelve months old
in a child restraint
system
OCS is malfunctioning.
X
Make sure there is nothing between the seat cushion and the
child seat.
X
Make sure that the entire base of the child restraint system rests
on the seat cushion of the front-passenger seat. The backrest of
the forward-facing child restraint system must lie as flat as possi-
ble against the backrest of the front passenger seat. If necessary,
adjust the position of the front-passenger seat.
X
Make sure that the seat cushion length is fully retracted.
X
When installing the child restraint system, make sure that the
seat belt is tight. Do not pull the seat belt tight using the front-
passenger seat adjustment. This could result in the seat belt and
the child restraint system being pulled too tightly.
X
Check for correct installation of the child restraint system.
Make sure that the head restraint does not apply a load to the
child restraint system. If necessary, adjust the head restraint
accordingly.
X
Make sure that no objects are applying additional weight onto the
seat.
X
If the PASSENGER AIR BAG OFF indicator lamp remains off
and/or the PASSENGER AIR BAG ON indicator lamp lights up, do
not install a child restraint system on the front-passenger seat. It
is recommended that you install the child restraint system on a
suitable rear seat.
X
Have OCS checked as soon as possible at an authorized
Mercedes-Benz Center.
Deployment of Emergency Tension-
ing Devices and air bags
Important safety notes
G
WARNING
The air bag parts are hot after an air bag has
been deployed. There is a risk of injury.
Do not touch the air bag parts. Have a
deployed air bag replaced at a qualified spe-
cialist workshop as soon as possible.
G
WARNING
A deployed air bag no longer offers any pro-
tection and cannot provide the intended pro-
Occupant safety
51
Safety
Z
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