Sound Amplifier Control Unit Wiring Diagram - PE82.62-P-2101-97FCC
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 810 (Premium sound system)
Control unit N40/3
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Use of wiring diagrams | 72L |
| A26/17 | Head unit | 52L |
| CAN C1 | Drive train CAN | 10K |
| Code 362 | HERMES LTE | 11C |
| Code L | LEFT-HAND DRIVE | 32G |
| Code L | LEFT-HAND DRIVE | 19E |
| Code L | LEFT-HAND DRIVE | 46C |
| Code R | RIGHT-HAND DRIVE | 32G |
| Code R | RIGHT-HAND DRIVE | 19E |
| Code R | RIGHT-HAND DRIVE | 46C |
| H4/27 | Center instrument panel speaker | 48L |
| H4/42 | Left footwell woofer | 16L |
| H4/43 | Right footwell woofer | 18L |
| H4/62 | Left rear surround sound system midrange speaker | 43L |
| H4/63 | Right rear surround sound system midrange speaker | 45L |
| H4/68 | Left front door sound system tweeter | 30L |
| H4/68 | Left front door sound system tweeter | 26L |
| H4/69 | Right front door tweeter | 34L |
| H4/70 | Left rear door sound system tweeter | 39L |
| H4/71 | Right rear door sound system tweeter | 42L |
| H4/72 | Left front door midrange speaker | 31L |
| H4/72 | Left front door midrange speaker | 27L |
| H4/73 | Right front door midrange speaker | 36L |
| H4/80 | Left rear door sound system midrange speaker | 37L |
| H4/81 | Right rear door sound system midrange speaker | 40L |
| K40/5 | Rear fuse and relay module | 6L |
| K40/5f473 | Fuse 473 | 5L |
| MOST | Media Oriented System Transport | 52K |
| N112/9 | HERMES control unit | 13L |
| N40/3 | Sound system amplifier control unit | 4A |
| N40/3 | Sound system amplifier control unit | 12A |
| N40/3 | Sound system amplifier control unit | 20A |
| N40/3 | Sound system amplifier control unit | 28A |
| N40/3 | Sound system amplifier control unit | 36A |
| N40/3 | Sound system amplifier control unit | 44A |
| N40/3 | Sound system amplifier control unit | 51A |
| N40/3 | Sound system amplifier control unit | 56A |
| N40/3 | Sound system amplifier control unit | 69A |
| W3/8 | Right rear wheel well ground point | 5E |
| X1/64 | Left front door dual coil speaker electrical connector | 23H |
| X18 | Cockpit wiring harness and frame floor assembly electrical connector | 47G |
| X18/35 | Cockpit wiring harness and frame floor assembly electrical connector | 47G |
| X30/21 | Drive train CAN (CAN C1) potential distributor electrical connector | 10L |
| X35/1 | Driver door electrical connector | 34G |
| X35/1 | Driver door electrical connector | 20E |
| X35/2 | Front passenger door electrical connector | 34G |
| X35/2 | Front passenger door electrical connector | 20E |
| X35/3 | Left rear door electrical connector | 37G |
| X35/4 | Right rear door electrical connector | 40G |
| Z28/5z1 | Left front door speaker group connector sleeve (+ signal) | 25G |
| Z28/6z1 | Left front door speaker group connector sleeve (- signal) | 27G |