Sound Amplifier Control Unit Wiring Diagram - PE82.62-P-2101-97SEA
Model 222 up to model year 2018 with code 810 (Premium sound system) except code 811 (High-End sound system) Control unit N40/3
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Use of wiring diagrams | 56L |
| A40/3 | COMAND control unit | 39L |
| Code 348 | Emergency call/assistance system | 41D |
| Code 360 | HERMES UMTS | 41D |
| Code 6U4 | Mercedes-Benz E-Call Russia (GLONASS) emergency call system | 45D |
| Code B54 | Live Traffic Information | 41D |
| Code Z07 | Top protection | 11D |
| H4/27 | Center instrument panel speaker | 36L |
| H4/42 | Left footwell woofer | 8L |
| H4/42 | Left footwell woofer | 12L |
| H4/42x1 | Left footwell woofer electrical connector | 11G |
| H4/43 | Right footwell woofer | 9L |
| H4/43 | Right footwell woofer | 15L |
| H4/43x1 | Right footwell woofer electrical connector | 15G |
| H4/62 | Left rear surround sound system midrange speaker | 33L |
| H4/63 | Right rear surround sound system midrange speaker | 34L |
| H4/68 | Left front door tweeter | 18L |
| H4/69 | Right front door tweeter | 22L |
| H4/70 | Left rear door tweeter | 25L |
| H4/71 | Right rear door tweeter | 29L |
| H4/72 | Left front door midrange speaker | 20L |
| H4/73 | Right front door midrange speaker | 23L |
| H4/80 | Left rear door midrange speaker | 27L |
| H4/81 | Right rear door midrange speaker | 31L |
| K40/5 | Rear fuse and relay module | 5L |
| K40/5f405 | Fuse 405 | 2L |
| K40/5f475 | Fuse 475 | 3L |
| MOST | Media Oriented System Transport | 49C |
| N112/2 | Telematics services communication module | 42L |
| N112/9 | HERMES control unit | 43L |
| N123/4 | Emergency call system control unit | 43L |
| N40/3 | Sound system amplifier control unit | 28A |
| N40/3 | Sound system amplifier control unit | 4A |
| N40/3 | Sound system amplifier control unit | 20A |
| N40/3 | Sound system amplifier control unit | 12A |
| N40/3 | Sound system amplifier control unit | 35A |
| N40/3 | Sound system amplifier control unit | 44A |
| U12 | Valid for left-hand drive vehicles | 14H |
| U13 | Valid for right-hand drive vehicles | 11H |
| U65 | Valid without code (Z07) Highest protection | 7D |
| W6 | Left wheel arch trunk ground point | 3E |
| X18/35 | Cockpit wiring harness and frame floor assembly electrical connector | 35E |
| X23/9 | Rear shelf electrical connector | 32E |
| X260 | E-Call Russia (GLONASS) control unit electrical connector | 47L |
| X35/1 | Left front door electrical connector | 17E |
| X35/2 | Right front door electrical connector | 21E |
| X35/3 | Left rear door electrical connector | 24E |
| X35/4 | Right rear door electrical connector | 28E |
| Z28/1z1 | Left rear speaker group connector sleeve (+ signal) | 25G |
| Z28/2z1 | Left rear speaker group connector sleeve (- signal) | 26G |
| Z28/3z1 | Right rear speaker group connector sleeve (+ signal) | 28G |
| Z28/4z1 | Right rear speaker group connector sleeve (- signal) | 30G |
| Z28/5z1 | Left front door speaker group connector sleeve (+ signal) | 18G |
| Z28/6z1 | Left front door speaker group connector sleeve (- signal) | 17G |
| Z28/7z1 | Right front door speaker group connector sleeve (+ signal) | 22G |
| Z28/8z1 | Right front door speaker group connector sleeve (- signal) | 21G |
| Z35/3z1 | Wake-up signal connector sleeve | 39E |