Mercedes-Benz 2006 E -Class Wagon Operator's Manual page 131

Controls in detail
Seats
Folding head restraints back with switch
in the center console
1 Head restraint release switch
Switch on the ignition ( page 36).
Press the symbol-side on switch 1 to
release the head restraints.
The head restraints will fold backward.
130
Folding head restraints back manually
(rear outer seats only)
1 Release button
Push release button 1 and fold the
head restraints backward.
Placing head restraints upright
Pull the head restraint forward until it
locks into position.
!
Make sure the head restraints engage
when placing them upright. Otherwise
their protective function cannot be as-
sured.