Mercedes-Benz M-Class 2008 Owners Manual - Manual (Page 459)

458
Practical hints
Resetting activated head restraints
If the active head restraints have been trig-
gered in a rear-end collision, the active
head restraints must be reset. Otherwise,
the active head restraints cannot offer any
additional protection in the event of anoth-
er rear-end collision.
You can tell that the head restraints have
been activated when they have been
moved forward and cannot be adjusted.
Vehicles without Rear seat entertain-
ment system*
1 Pull
2 Adjust downward
3 Press
̈ Pull the top of the head restraint cush-
ion in direction of arrow
1 as far as it
will go.
̈ Adjust the head restraint cushion
downward in direction of arrow
2 as
far as it will go.
̈ Firmly press the top of the active head
restraint cushion towards the head
restraint cover in direction of arrow
3
until it engages.
Warning!
G
For safety reasons, have the active head re-
straints checked by an authorized
Mercedes-Benz Light Truck Center after a
rear-end collision.
Warning!
G
When pushing back the head restraint cush-
ion, take care that your fingers do not be-
come caught between the head restraint
cushion and the cover. Failing to do so may
lead to injury.
!
Be careful not to damage upholstery.
i For your convenience, we recommend that
you have this work carried out by an authorized
Mercedes-Benz Light Truck Center.
i Pressing the head restraint cushion back
requires high force. If you encounter difficulties
when pushing the head restraint back please
have the procedure performed at an authorized
Mercedes-Benz Light Truck Center.