First you will need to pry back the door panel so you can access the inside of the door.
Mazda 5 sliding door panel removal.
How to replace the exterior door handles on a 2004 mazda mpv.
The panel can only be removed when the door is opened but you can pry it back enough to get some working room with the door closed if it is stuck shut.
Removing the rear panels on a 2013 mazda 5.
I replace a broken door handle on my 2008 mazda 5.
Sosokustom69 2004 mazda mvp window mount broke off the rail.
Mazda 5 sliding door panel removal duration.
So it was easier to replace t.