See images for exploded diagram with part numbers for Dometic Seitz S5 windows.

blinds for s5 windows can come in 4 types

BG1046K1??????? = double pleated blind – grey/grey
BG1046L7??????? = double pleated blind – beige/ grey
BG1046L8??????? = single pleated blind – grey / aluminium
BG1046L9??????? = single pleated blind – beige / aluminium

If window has a ROLLER blind, then window is actually an S4 window even if code on window says S5.