Wiring Diagram For Seat Heater And Seat Ventilation Control Unit - PE91.30-P-2102-97TAA
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
with code 403 (Heating in head area)
with code 873 (Left and Right drivers seat heating)
Control unit N25/7
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Color code key | 23L |
| CAN B | Interior CAN | 7K |
| Code 275 | Front passenger seat memory package/electrically adjustable driver seat | 9D |
| M4/10 | Left AIRSCARF fan motor | 17L |
| M4/10x1 | Left AIRSCARF fan motor electrical connector | 16J |
| M4/11 | Right AIRSCARF fan motor | 19L |
| M4/11x1 | Right AIRSCARF fan motor electrical connector | 19J |
| N10/2 | Rear SAM control unit with fuse and relay module | 3L |
| N10/2 | Rear SAM control unit with fuse and relay module | 14L |
| N10/2f61 | Fuse 61 | 13L |
| N10/2f63 | Fuse 63 | 2L |
| N25/7 | AIRSCARF control unit | 4A |
| N25/7 | AIRSCARF control unit | 12A |
| N25/7 | AIRSCARF control unit | 19A |
| R22/5 | Left AIRSCARF heating element | 10L |
| R22/5x1 | Left AIRSCARF heating element electrical connector | 9J |
| R22/6 | Right AIRSCARF heating element | 11L |
| R22/6x1 | Right AIRSCARF heating element electrical connector | 11J |
| U12 | Valid for left-hand drive vehicles | 9C |
| U13 | Valid for right-hand drive vehicles | 9D |
| U63 | Valid for seat adjustment without memory function | 9D |
| W32/2 | Right rear panel ground point | 2E |
| W32/2 | Right rear panel ground point | 9E |
| X30/33 | Right vehicle floor interior CAN voltage distributor electrical connector | 7L |
| X55/3 | Driver seat connector block | 11H |
| X55/3 | Driver seat connector block | 9H |
| X55/3 | Driver seat connector block | 16G |
| X55/3 | Driver seat connector block | 18G |
| X55/4 | Front passenger seat connector block | 11H |
| X55/4 | Front passenger seat connector block | 9H |
| X55/4 | Front passenger seat connector block | 16G |
| X55/4 | Front passenger seat connector block | 19G |
| Z167/1 | AIRSCARF fan connector sleeve | 19E |