Electrical function schematic for lumbar support adjustment - PE91.29-P-2051-97FAA
WARNING: This page is about a different car, the 2011 Mercedes-Benz C300, 2010 Mercedes-Benz C300, 2009 Mercedes-Benz C300, and 2008 Mercedes-Benz C300. However, it is still accessible from the selected car via links, so may be relevant.
| Code: | Designation: | Position: |
|---|---|---|
| 1 | On-board electrical system limp-home mode, signal | |
| 2 | Power supply, status ON | 12E |
| 3 | Lumbar support adjustment switch, request | 14E |
| 4 | Lumbar support pneumatic pump, actuation | 14H |
| CAN B | Interior CAN | 5F |
| M25/4 | Driver seat lumbar support pneumatic pump | 13J |
| M25/5 | Front passenger seat lumbar support pneumatic pump | 13J |
| N10/2 | Rear SAM control unit with fuse and relay module | 2E |
| N32/1 | Driver seat control unit | 9D |
| N32/2 | Front passenger seat control unit | 9E |
| N32/23 | Driver seat lumbar support adjustment control unit | 13F |
| N32/24 | Front passenger seat lumbar support adjustment control unit | 13F |
| S109/2 | Driver seat lumbar support adjustment switch | 13C |
| S109/3 | Front passenger seat lumbar support adjustment switch | 13D |