Mercedes-Benz 2009 E-Class Operator's Manual page 106

Controls in detail
Seats
Seat guides
1
Seat cushion
2
X
Removing: Fold seat cushion
and remove it from seat guides 1.
104
X
Installing: Insert seat cushion
guides from behind
1
X
Fold seat cushion
position until it engages.
4
Folding back third-row seat
upward
2
Tab
1
Seat backrest
2
X
Pull seat cushion upward using tab
fold it back into original position until it
engages.
into seat
2
at a slight angle.
3
back into original
2
1
X
Press release knob
restraints down.
!
restraints completely into their guides and
engage the seat belt buckles in their
guides.
and
1
Release knob
and fold head
1
To avoid damage, insert the head