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Safety and Security
Occupant safety
Emergency tensioning device (ETD),
seat belt force limiter
The seat belts for the front and rear outer
seats are equipped with emergency ten-
sioning devices and belt force limiters.
The ETD is designed to activate in the
following cases:
ț in frontal or rear-end impacts exceed-
ing a preset severity level
ț if the restraint systems are operational
and functioning correctly, see
1 indicator lamp (
୴ page 62)
In an impact, emergency tensioning
devices remove slack from the belts in
such a way that the seat belts fit more
snugly against the body.
ț Belts should not be worn twisted. In a
crash, you wouldn’t have the full width
of the belt to manage impact forces. The
twisted belt against your body could
cause injuries.
ț Pregnant women should also use a
lap-shoulder belt. The lap belt portion
should be positioned as low as possible
on the hips to avoid any possible pres-
sure on the abdomen.
ț Never place your feet on the instrument
panel, dashboard or on the seat. Always
keep both feet on the floor in front of the
seat.
i
The EDTs for the front seats will only
activate if the respective front seat belt
is fastened (latch plate properly
inserted into buckle).
The EDTs for the rear outer seats will
activate with or without the respective
seat belt fastened.
Warning! G
An emergency tensioning device (ETD) that
was activated must be replaced.
When disposing of the emergency tension-
ing device, our safety instructions must be
followed. These are available at your autho-
rized Mercedes-Benz Light Truck Center.
!
Do not place objects heavier than
20 lbs (9 kg) on the front passenger
seat. This could cause the passenger
front airbag and, with the seat belt
fastened to secure the object, the ETD
on the front passenger side to deploy in
a crash which exceeds the system’s
deployment threshold.