Lumbar support wiring diagram - PE91.29-P-2109-97FAA
WARNING: This page is about a different car, the 2012 Mercedes-Benz C300, 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: |
|---|---|---|
| A0 | Color code key | 32L |
| M25/4 | Driver seat lumbar support pneumatic pump | 3L |
| M25/4 | Driver seat lumbar support pneumatic pump | 9L |
| M25/4x1 | Driver seat lumbar support pneumatic pump electrical connector | 3J |
| M25/5 | Front passenger seat lumbar support pneumatic pump | 17L |
| M25/5 | Front passenger seat lumbar support pneumatic pump | 23L |
| M25/5x1 | Front passenger seat lumbar support pneumatic pump electrical connector | 22J |
| N10/2 | Rear SAM control unit with fuse and relay module | 13L |
| N10/2f44 | Fuse | 44 14L |
| N10/2f45 | Fuse | 45 12L |
| N32/1 | Driver seat control unit | 6L |
| N32/2 | Front passenger seat control unit | 20L |
| N32/23 | Driver seat lumbar support adjustment control unit | 5A |
| N32/24 | Front passenger seat lumbar support adjustment control unit | 21A |
| S109/2 | Driver seat lumbar support adjustment switch | 1L |
| S109/3 | Front passenger seat lumbar support adjustment switch | 24L |
| U12 | Valid for left-hand drive vehicles | 10H |
| U12 | Valid for left-hand drive vehicles | 16H |
| U13 | Valid for right-hand drive vehicles | 10H |
| U13 | Valid for right-hand drive vehicles | 16H |
| U63 | Valid for seat adjustment without memory function | 8D |
| U71 | Valid for fully electric seat adjustment with memory function | 3D |
| U71 | Valid for fully electric seat adjustment with memory function | 19D |
| W18 | Left front seat crossmember ground point | 16L |
| W18 | Left front seat crossmember ground point | 10L |
| W19 | Right front seat crossmember ground point | 16L |
| W19 | Right front seat crossmember ground point | 10L |
| X55/3 | Driver seat connector block | 10H |
| X55/4 | Front passenger seat connector block | 14H |
| Z6/94 | Driver seat circuit 31 connector sleeve | 10E |
| Z6/95 | Front passenger seat circuit 31 connector sleeve | 16E |
| Z61/18 | Left seat circuit 15R connector sleeve | 11E |
| Z61/19 | Right seat circuit 15R connector sleeve | 14E |