Mercedes-Benz 2008 SL 600 Automobile User Manual


 
74
Safety and Security
Occupant safety
The passenger air bag will only be de-
ployed if:
ț the system, based on OCS weight
sensor readings, senses that the
passenger seat is occupied
ț the 5/ indicator lamp in the
center console is not lit (
page 78)
ț the impact exceeds a preset deploy-
ment threshold
Knee bag
The knee bag is located on the driver’s side
lower instrument panel. It is designed to
operate together with the driver front air
bag in certain frontal impacts exceeding a
preset threshold. The knee bag operates
best in conjunction with a properly posi-
tioned and fastened seat belt.
Head-thorax air bags
1 Head-thorax air bag
The head-thorax air bags are deployed:
ț in side impacts exceeding a preset
deployment threshold
ț on the impacted side of the vehicle
ț independently of the front air bags
The head-thorax air bags are not deployed
in impacts which do not exceed the sys-
tem’s deployment threshold.
Occupant Classification System
The O
ccupant Classification System (OCS)
automatically turns the passenger front air
bag on or off based on the classified occu-
pant weight category determined by
weight sensor readings from the
passenger seat.
Occupants must sit properly belted in a
position that is as upright as possible with
their back against the seat backrest and
feet on the floor to be correctly classified.
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.
i
The system does not deactivate the
head-thorax air bag and the emergency tension-
ing device.