Mercedes-Benz 2009 CLS550 C Automobile User Manual


 
Occupant safety
56
the warning chime stops sounding, the seat
belt telltale < stops flashing but contin-
ues to be illuminated.
After a vehicle standstill, the warning chime
is reactivated and the seat belt telltale
< is flashing again if the vehicle speed
once exceeds 15 mph (25 km/h).
The seat belt telltale < will only go out if
both the driver’s and the front passenger’s
seat belt (with the front passenger seat occu-
pied) are fastened, or the vehicle is standing
still and a front door is opened.
For more information, see “Practical
hints” (Y page 293).
Emergency Tensioning Device (ETD),
seat belt force limiter
The seat belts for the front seats and rear
outer seats are equipped with ETDs and seat
belt force limiters.
The ETD is designed to activate in the follow-
ing cases:
R
in frontal or rear-end impacts exceeding
the system’s preset deployment threshold
R
in side impacts exceeding the system’s pre-
set deployment threshold on the far side of
the impact
R
in certain vehicle rollovers
R
if the restraint systems are operational and
functioning correctly, see 1 indicator
lamp (Y page 43)
The ETDs for the front seats will only activate
if the front seat belts are fastened (latch plate
properly inserted into buckle).
The ETDs for the rear outer seats will activate
with or without the respective seat belts fas-
tened.
In an impact, ETDs remove slack from the
seat belts in such a way that the seat belts fit
more snugly against the body. Seat belt force
limiters, when activated, are employed to
help reduce the peak force exerted by the
seat belts on occupants during a crash.
i
ETDs do not correct an incorrect seat
position or incorrectly worn seat belts.
ETDs do not pull occupants back toward
the seat backrest.
G
Warning!
An ETD that was activated must be
replaced.
For your safety, when disposing of the ETD
allways follow our safety instructions.
These are available at any authorized Mer-
cedes-Benz Center.
Automatic comfort-fit feature seat belt
An automatic comfort-fit feature for the front
seats reduces the retracting force of the seat
belts when they are in normal use.
Preventive occupant safety (PRE-
SAFE
®
)
G
Warning!
The PRE-SAFE
®
system is intended to
reduce the effects of an accident on vehicle
occupants who are wearing their seat belt
properly. Despite having the PRE-SAFE
®
system in your vehicle, the possibility of
injuries occurring as a result of an accident
cannot be eliminated. Therefore, you
should always drive carefully and adjust
your driving to the prevailing road, weather,
and traffic conditions.
Your vehicle automatically takes preventive
measures to better protect the occupants in
the following hazardous situations.
Safety and security