Legend of wiring diagram for fully electric seat adjustment (ESA) - PE91.29-P-2004-60FAA
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.
Model 204
| Code | Designation | Coordinates |
| A0 | Color code key | 23A |
| M27/1 | Driver seat fore/aft adjustment motor | 7L |
| M27/2 | Driver seat height adjustment motor | 3L |
| M27/3 | Driver seat inclination adjustment motor | 5L |
| M27/5 | Driver seat backrest inclination adjustment motor | 2L |
| M27/5x1 | Seat backrest inclination adjustment motor electrical connector, driver seat | 1H |
| M28/1 | Front passenger seat fore/aft adjustment motor | 23L |
| M28/2 | Front passenger seat height adjustment motor | 19L |
| M28/3 | Front passenger seat inclination adjustment motor | 21L |
| M28/5 | Front passenger seat backrest inclination adjustment motor | 17L |
| M28/5x1 | Seat backrest inclination adjustment motor electrical connector, front passenger seat | 16H |
| N10/2 | Rear SAM control unit with fuse and relay module | 13L |
| N10/2f44 | Fuse 44 | 14L |
| N10/2f45 | Fuse 45 | 11L |
| N10/2kF | Seat adjustment relay | 12L |
| S22 | Left front seat adjustment switch group | 4A |
| S22 | Left front seat adjustment switch group | 9A |
| S22s2 | Left front seat inclination adjustment switch | 5A |
| S22s3 | Left front seat fore/aft adjustment switch | 7A |
| S22s4 | Left front seat height adjustment switch | 3A |
| S22s5 | Left front backrest adjustment switch | 1A |
| S23 | Right front seat adjustment switch group | 14A |
| S23 | Right front seat adjustment switch group | 20A |
| S23s2 | Right front seat inclination adjustment switch | 21A |
| S23s3 | Right front seat fore/aft adjustment switch | 22A |
| S23s4 | Right front seat height adjustment switch | 19A |
| S23s5 | Right front backrest adjustment switch | 17A |
| U12 | Valid for left-hand drive vehicles | 9H |
| U12 | Valid for left-hand drive vehicles | 15H |
| U13 | Valid for right-hand drive vehicles | 9J |
| U13 | Valid for right-hand drive vehicles | 15J |
| W18 | Left front seat crossmember ground point | 9L |
| W18 | Left front seat crossmember ground point | 15L |
| W19 | Right front seat crossmember ground point | 9L |
| W19 | Right front seat crossmember ground point | 15L |
| X55/3 | Driver seat connector block | 9G |
| X55/4 | Front passenger seat connector block | 14G |
| Z6/94 | Driver seat circuit 31 connector sleeve | 9E |
| Z6/95 | Front passenger seat circuit 31 connector sleeve | 15E |
| Z61/18 | Left seat circuit 15R connector sleeve | 10E |
| Z61/19 | Right seat circuit 15R connector sleeve | 14E |