Wiring Diagram For Sound Generator Control Unit - PE54.21-P-2115-97FCC
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 253 (except 253.99)
as of model year 2020
with code B53 (External noise sound generator for hybrids and EV)
N12
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Use of wiring diagrams | 32L |
| CAN L | Hybrid CAN | 8K |
| H4/143 | Front sound generator speaker | 10L |
| H4/144 | Rear sound generator speaker | 12L |
| K40/8 | Engine fuse and relay module | 4L |
| K40/8f109 | Fuse 109 | 3L |
| N12 | Sound generator control unit | 4A |
| N12 | Sound generator control unit | 11A |
| N12 | Sound generator control unit | 16A |
| N12 | Sound generator control unit | 28A |
| W6 | Left wheel arch trunk ground point | 4E |
| X25/7 | Engine compartment/frame floor assembly electrical connector | 3H |
| X30/44 | Hybrid CAN (CAN L) potential distributor electrical connector | 8L |