Rear door power window/roller blinds switch group, component description - GF72.29-P-6041SX

MODEL 221.0/1 with CODE (297) Roller sun blinds in rear doors with CODE (413) Panoramic sliding roof with CODE (540) Electric rear window roller blind up to Model Year 08

Shown on model 221.1

Fig 1: Identifying Rear Door Power Window/Roller Blinds Switch Group - Shown On Model 221.1

Courtesy of MERCEDES-BENZ USA

Location

The switch groups are located in each of the rear door armrest.

Task

The switch groups transfer the various adjustment requests via the rear door LIN to the left rear door control module (N69/3) or right rear door control module (N69/4).

Design

The left switch group consists of the following controls:

Right rear power window and side window roller blind switch (S21/21s1) (with code (297) Roller sun blinds in rear doors)
Left rear power window and side window roller blind switch (S21/21s3) (with code (297) Roller sun blinds in rear doors)
Roof roller blind switch (S21/21s2) (only model 221.1 with code (413) Panoramic sliding roof)
Rear window roller blind switch (S21/21s4) (with code (540) Electric rear window roller blind)

The right switch group consists of the following controls:

Right rear power window and side window roller blind switch (S21/22s1) (with code (297) Roller sun blinds in rear doors)
Left rear power window and side window roller blind switch (S21/22s3) (with code (297) Roller sun blinds in rear doors)
Roof roller blind switch (S21/22s2) (only model 221.1 with code (413) Panoramic sliding roof)
Rear window roller blind switch (S21/22s4) (with code (540) Electric rear window roller blind)