Mercedes-Benz R-Class 2007 Owners Manual User Manual
Page 83
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Safety and Security
Occupant safety
Enhanced seat belt reminder system
When the engine is started, the seat belt
telltale
< will always illuminate
for 6 seconds to remind you and your
passengers to fasten your seat belts.
If the driver’s seat belt is not fastened
when the engine is started, an additional
warning chime will also sound for a maxi-
mum of 6 seconds or until the driver’s seat
belt is fastened.
If after these 6 seconds, the driver’s or the
front passenger’s seat belt (with the front
passenger seat occupied) are not fastened
with all doors closed,
ț
the seat belt telltale
< remains illu-
minated for as long as either the driv-
er’s or front passenger’s seat belt is not
fastened
ț
and if the vehicle speed exceeds
15 mph (25 km/h), the seat belt
telltale
< starts flashing and a
warning chime sounds with increasing
intensity for a maximum of 60 seconds
or until the driver’s and the front
passenger’s seat belt are fastened
If the driver’s or the front passenger’s
seat belt remains unfastened after
60 seconds, the the warning chime
stops sounding and the seat belt
telltale
< stops flashing but
continues to be illuminated.
The seat belt telltale
< will only go out
if both the driver’s and the front passen-
ger’s seat belt (with the front passenger
seat occupied) are fastened, or the vehicle
is standing still and a front door is opened.
For more information, see “Practical hints”
(
Emergency tensioning device (ETD),
seat belt force limiter
The seat belts for the front and rear seats
are equipped with emergency tensioning
devices and belt force limiters.
The ETD is designed to activate in the
following cases:
ț
in frontal or rear-end impacts
exceeding the system deployment
threshold
ț
in certain vehicle rollovers
ț
if the restraint systems are operational
and functioning correctly, see
1 indicator lamp (
i
The ETDs for the front seats will only acti-
vate if the respective front seat belt is fastened
(latch plate properly inserted into buckle).
The ETDs for the rear seats will activate with or
without the respective seat belt fastened.