Removal and installation a mechanical door window lifter (Mercedes-Benz E-Class W123)

1. Remove the interior door trim panel and polyethylene apron.

Front door

1. On sedan models, lower the window and remove the window lifter arm retaining rings, then lift the window and support it with a block of wood. Remove the arms from the glass guide grooves, remove the window lifter mounting bolts and remove it through the door frame window.



2. On coupe models, lower the window, remove the window regulator guide screws, then lift the window and support it with a wooden block. Remove the window regulator bolts and remove it through the door frame window.

Back door

1. Lower the glass, unscrew the screws securing the window regulator guides, then lift the glass and support it with a wooden block.

2. Loosen the window lifter mounting bolts and remove it through the door frame window.

Front and rear doors

Installation is carried out in the reverse order of removal.