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Operation
NECK-PRO head restraints reduce the likelihood
of head and chest injuries. The NECK-PRO head
restraints on the driver's and front-passenger
seats are moved forwards and upwards in the
event of a rear-end collision of a certain severity.
This provides better head support.
If the NECK-PRO head restraints have been trig-
gered in an accident, you must reset the NECK-
PRO head restraints on the driver's and front-
passenger seat (
page 53). Otherwise, the
Y
additional protection will not be available in the
event of another rear-end collision. You can rec-
ognise when NECK-PRO head restraints have
been triggered by the fact that they have moved
forwards and can no longer be adjusted.
Mercedes-Benz recommends that you have the
NECK-PRO head restraints checked for func-
tionality at a qualified specialist workshop after
a rear-end collision.
Resetting triggered NECK-PRO head
restraints
Do not place your fingers between the uphols-
tery of the head restraint and the seat. Pay par-
ticular attention while resetting the NECK-PRO
head restraints.
Tilt the top of the NECK-PRO head restraint
X
cushion forwards in the direction of arrow :.
Push the NECK-PRO head restraint cushion
X
down as far as it will go in the direction of
arrow ;.
Firmly push the NECK-PRO head restraint
X
cushion back in the direction of arrow = until
the cushion engages.
Repeat this procedure for the second NECK-
X
PRO head restraint.
i
Resetting the NECK-PRO head restraints
requires a lot of strength. If you have difficulty
Occupant safety
resetting the NECK-PRO head restraints, have
this work carried out at a qualified specialist
workshop.
®
PRE-SAFE
(anticipatory occupant
protection)
®
PRE-SAFE
informs you of certain critical driving
situations and takes pre-emptive measures to
protect the vehicle occupants.
®
PRE-SAFE
can take the following measures
independently of each other:
pre-tensioning the driver's and front-
R
passenger seatbelt.
closing the side windows.
R
setting a more favourable seat position for the
R
front-passenger seat.
vehicles with a multicontour seat: increasing
R
the air pressure in the side bolsters of the seat
backrest.
!
Make sure that there are no objects in the
footwell or behind the seats. There is a risk
that the seats and/or the objects could be
damaged when PRE-SAFE
Should an accident not occur, the preventative
measures taken are cancelled. Certain settings
must be made yourself.
If the seat belt pre-tensioning is not reduced,
X
move the seat backrest back slightly.
Seat belt pre-tensioning is released.
®
PRE-SAFE
PLUS (anticipatory occu-
pant protection PLUS)
Introduction
®
PRE-SAFE
PLUS is only available in vehicles
with the Driving Assistance package.
Using the radar sensor system, PRE-SAFE
PLUS is able to detect that a head-on or rear-end
collision is imminent. In certain hazardous sit-
®
uations, PRE-SAFE
PLUS takes pre-emptive
measures to protect the vehicle occupants.
Important safety notes
The intervention of PRE-SAFE
prevent an imminent collision.
53
®
is activated.
®
®
PLUS cannot
Z
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