W124 Wagon 3rd row seat disassembly

[87tdwagen]

Hi folks,
Hoping some of you who either removed or installed a third row seat can share some knowledge.

The recessed flip up pull for the third row seat back section literally came off into my hands. It is secured via two bolts mounted from the back side of the carpeted floor panel side into the pull assembly. This means that to reattach, I would need to remove the seat back foam from the carpeted floor panel.

It seem as the only way to remove the seatback foam is to remove the whole floor section/panel from the car and then see if there is a trick to disassembly.

Any tips on removal of the seatback panel, or whatever is appreciated,
Thanks