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Safety and Security
Occupant safety
Automatic comfort-fit feature seat belt
An automatic comfort-fit feature for front
seats reduces the retracting force of the
seat belts when they are in normal use.
Active head restraints
The active head restraints are intended to
offer the driver and front passenger in-
creased protection from head and neck
injury. In the event of a rear-end collision,
the active head restraints on the driver’s
and front passenger’s seats are designed
to move forward in the direction of travel,
providing the head with increased support
earlier on in the collision sequence. The ac-
tive head restraints move forward whether
the seat is occupied or not.
For information on resetting the activated
active head restraints, see “Resetting acti-
vated head restraints” (
୴ page 406).
You cannot remove the active head
restraints on the driver’s and passenger’s
seats.
For removal of the active head restraints
we recommend that you contact an
authorized Mercedes-Benz Center.
!
Do not place objects heavier than
20 lbs (9 kg) on the front passenger
seat. This could cause the front or side
impact air bag on the passenger side
and, with the seat belt fastened to se-
cure the object, the ETD to deploy in a
crash which exceeds the system’s de-
ployment threshold.
Warning! G
Do not attach any objects (e.g. hangers) to
the head restraint posts. Otherwise, the ac-
tive head restraints may not be able to func-
tion properly or offer the intended degree of
protection in the event of an accident.
Warning! G
Only use seat or head restraint covers which
have been tested and approved by
Mercedes-Benz for your vehicle model.
Using other seat or head restraint covers
may interfere with or prevent the activation
of active head restraint. Contact your autho-
rized Mercedes-Benz Center for availability.