Mercedes-Benz 2011 SL-Class - Manual (Page 45)

passenger seat is occupied and the impact
exceeds a preset deployment threshold.
Head-thorax air bags : are not deployed in
side impacts which do not exceed the
system’s deployment threshold.
Occupant Classification System
The Occupant Classification System (OCS)
activates or deactivates the passenger front
air bag automatically. The respective status
is based on the classified occupant weight
category determined by weight sensor
readings from the passenger seat.
The system does not deactivate the
passenger head-thorax air bag and the
Emergency Tensioning Devices (ETDs).
To be classified correctly, the passenger must
sit
R with the seat belt properly fastened
R in a position that is as upright as possible
with the back against the seat backrest
R
with the feet on the floor
If the occupant’s weight is transferred to
another object in the vehicle (e.g. by leaning
on armrests), the OCS may not be able to
properly approximate the occupant’s weight
category.
If your seat, including the trim cover and
cushion, needs to be serviced in any way, take
the vehicle to an authorized Mercedes-Benz
Center.
Only seat accessories approved by
Mercedes-Benz may be used.
Both the driver and the passenger should
always use the 45 indicator lamp as
an indication of whether or not the passenger
is properly positioned.
G
Warning!
If the 45 indicator lamp illuminates
when an adult or someone larger than a small
individual is in the passenger seat, have the
passenger reposition himself or herself in the
seat until the 45 indicator lamp goes
out.
In the event of a collision, the air bag control
unit will not allow passenger front air bag
deployment when the OCS has classified the
passenger seat occupant as weighting as
much as or less than a typical 12-month-old
child in a standard child restraint or if the
passenger seat is classified as being empty.
When the OCS senses that the passenger seat
occupant is classified as being up to or less
than the weight of a typical 12-month-old
child in a standard child restraint, the
45 indicator lamp will illuminate when
the engine is started and remain illuminated,
indicating that the passenger front air bag is
deactivated.
When the OCS senses that the passenger seat
is classified as being empty, the 45
indicator lamp will illuminate when the engine
is started and remain illuminated, indicating
that the passenger front air bag is
deactivated.
When the OCS senses that the passenger seat
occupant is classified as being heavier than
the weight of a typical 12-month-old child
seated in a standard child restraint or as being
a small individual (such as a young teenager
or a small adult), the 45 indicator lamp
will illuminate for approximately 6 seconds
when the engine is started and then,
depending on occupant weight sensor
readings from the seat, remain illuminated or
go out. With the 45 indicator lamp
illuminated, the passenger front air bag is
deactivated. With the 45 indicator
lamp out, the passenger front air bag is
activated.
When the OCS senses that the passenger seat
occupant is classified as an adult or someone
larger than a small individual, the 45
indicator lamp will illuminate for
approximately 6 seconds when the engine is
started and then goes out, indicating that the
passenger front air bag is activated.
Occupant safety
43
Safety and security
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