Mercedes-Benz M-Class 2007 Owners Manual - Manual (Page 286)

285
Controls in detail
Loading
1 Release handle
2 Seat cushion
̈ Pull release handle 1.
̈ Fold seat cushion 2 forward.
3 Release handle
4 Seat backrest
̈ Make sure the rear seat head restraints
are in the lowermost position
(
୴ page 128).
̈ Pull release handle 3.
A red indicator 5 will be visible and the
seat backrest 4 is released.
5 Indicator
̈ Fold seat backrest 4 forward.