Trailer Recognition Control Unit Wiring Diagram - PE31.19-P-2101-97FBA
WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.
Model 205 up to model year 2019
with code 550 (Trailer coupling)
Control unit N28/1
Model 253 (except 253.99) up to model year 2020
with code 550 (Trailer coupling)
Control unit N28/1
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Use of wiring diagrams | 80L |
| A63 | Trailer hitch release | 16L |
| A63/2 | Fully electric trailer hitch swivel unit | 22L |
| Code 460 | Canada version | 25C |
| Code 460 | Canada version | 36C |
| Code 494 | USA version | 25D |
| Code 494 | USA version | 36D |
| Code F205 | MODEL SERIES 205 | 1J |
| Code F205 | MODEL SERIES 205 | 6J |
| Code F205 | MODEL SERIES 205 | 13C |
| Code F205 | MODEL SERIES 205 | 59D |
| Code F205 | MODEL SERIES 205 | 55D |
| Code F205 | MODEL SERIES 205 | 67D |
| Code F205 | MODEL SERIES 205 | 71D |
| Code F253 | MODEL SERIES 253 | 3F |
| Code F253 | MODEL SERIES 253 | IK |
| Code F253 | MODEL SERIES 253 | 6K |
| Code F253 | MODEL SERIES 253 | 19C |
| Code F253 | MODEL SERIES 253 | 63D |
| Code F253 | MODEL SERIES 253 | 67E |
| Code FA | CABRIOLET | 59E |
| Code FA | CABRIOLET | 67D |
| Code FC | COUPE | 59D |
| Code FC | COUPE | 71D |
| Code FS | STATION WAGON | 55D |
| Code FW | SEDAN | 59D |
| Code FW | SEDAN | 67D |
| F1/3 | Passenger-side A-pillar fuse box | 48L |
| F1/3f308 | Fuse 308 | 47L |
| K40/5 | Rear fuse and relay module | 2L |
| K40/5 | Rear fuse and relay module | 12L |
| K40/5f433 | Fuse 433 | 8L |
| K40/5f434 | Fuse 434 | 3L |
| K40/5f435 | Fuse 435 | 6L |
| K40/5f436 | Fuse 436 | 10L |
| K40/5f437 | Fuse 437 | 4L |
| N10/8 | Rear SAM control unit | 53L |
| N28/1 | Trailer recognition control unit | 4A |
| N28/1 | Trailer recognition control unit | 12A |
| N28/1 | Trailer recognition control unit | 28A |
| N28/1 | Trailer recognition control unit | 20A |
| N28/1 | Trailer recognition control unit | 37A |
| N28/1 | Trailer recognition control unit | 44A |
| N28/1 | Trailer recognition control unit | 52A |
| N28/1 | Trailer recognition control unit | 60A |
| S142/2 | Trunk lid/liftgate fully electric trailer hitch switch | 65L |
| S142/2 | Trunk lid/liftgate fully electric trailer hitch switch | 69L |
| S62/24 | Trailer hitch release switch | 57L |
| S62/24 | Trailer hitch release switch | 61L |
| S62/24 | Trailer hitch release switch | 73L |
| S62/24 | Trailer hitch release switch | 69L |
| W15/5 | Left front footwell ground point | 45L |
| W3/11 | Left rear wheel well ground point | 68H |
| W3/8 | Right rear wheel well ground point | 34L |
| W3/8 | Right rear wheel well ground point | 10E |
| W3/8 | Right rear wheel well ground point | 42L |
| W3/8 | Right rear wheel well ground point | 56E |
| W6 | Left wheel arch trunk ground point | 72H |
| W6 | Left wheel arch trunk ground point | 60E |
| W6 | Left wheel arch trunk ground point | 64E |
| W76 | Fuel pump ground point | 34L |
| X58 | Trailer socket | 29L |
| X58/11 | trailer socket (7-pin) | 38L |
| X58/28 | Electric Brake Control electrical connector | 44L |
| X58/33 | Vehicle interior/trailer hitch electrical connector | 41H |
| X58/33 | Vehicle interior/trailer hitch electrical connector | 33H |
| Z58/8z1 | Trailer hitch circuit 31 connector sleeve | 17E |
| Z58/8z1 | Trailer hitch circuit 31 connector sleeve | 23E |
| Z6/30 | Circuit 31 connector sleeve | 60G |
| Z6/92 | Trunk lid ground connection connector sleeve | 56G |
| Z6/92 | Trunk lid ground connection connector sleeve | 63G |