how to remove rear door panels on 2001 Mercedes-Benz ML430

do i need special tools. how does it release.

Door panel removal can be tricky, hidden screws and clips, door handle linkages held by plastic clips that break easily if you dont pry them in the right direction. Power window and power lock wiring, speakers, the list goes on and on so work slowly and carefully. Yes they do make special trim panel tools to aid in the removal of door panels.
i guess you know about as much as i do