Lumbar Support Wiring Diagram - PE91.29-P-2109-97TAA
WARNING: This page is about a different car, the 2020 Mercedes-Benz SLC43 AMG, 2019 Mercedes-Benz SLC43 AMG, 2018 Mercedes-Benz SLC43 AMG, and 2017 Mercedes-Benz SLC43 AMG. However, it is still accessible from the selected car via links, so may be relevant.
Model 172.4
Control units N32/23, N32/24
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Color code key | 15L |
| M25/4 | Driver seat lumbar support pneumatic pump | 3L |
| M25/4x1 | Driver seat lumbar support pneumatic pump electrical connector | 3J |
| M25/5 | Front passenger seat lumbar support pneumatic pump | 10L |
| M25/5x1 | Front passenger seat lumbar support pneumatic pump electrical connector | 10J |
| N32/1 | Driver seat control unit | 6L |
| N32/2 | Front passenger seat control unit | 13L |
| N32/23 | Driver seat lumbar support adjustment control unit | 3A |
| N32/24 | Front passenger seat lumbar support adjustment control unit | 10A |
| S109/2 | Driver seat lumbar support adjustment switch | 1L |
| S109/3 | Front passenger seat lumbar support adjustment switch | 8L |