Sound Amplifier Control Unit Wiring Diagram - PE82.62-P-2101-97SEB
Model 222 up to model year 2018 with code 811 (High-End sound system) except code 810 (Premium sound system) Control unit N40/3
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Use of wiring diagrams | 177L |
| A40/3 | COMAND control unit | 29L |
| Code 348 | Emergency call/assistance system | 15D |
| Code 350 | Ecall Europe emergency call system | 19D |
| Code 360 | HERMES UMTS | 19D |
| Code 6U4 | Mercedes-Benz E-Call Russia (GLONASS) emergency call system | 24D |
| H4/110 | Overhead control panel tweeter | 32L |
| H4/38 | Rear woofer | 14L |
| H4/42 | Left footwell woofer | 34L |
| H4/43 | Right footwell woofer | 158L |
| H4/68 | Left front door tweeter | 105L |
| H4/68b1 | Left front door tweeter Hall sensor | 106L |
| H4/68e1 | Left front door tweeter ambiance illumination | 104L |
| H4/68m1 | Left front door tweeter motor | 107L |
| H4/68x1 | Left front door tweeter electrical connector | 101H |
| H4/69 | Right front door tweeter | 135L |
| H4/69b1 | Right front door tweeter Hall sensor | 137L |
| H4/69e1 | Right front door tweeter ambiance illumination | 135L |
| H4/69m1 | Right front door tweeter motor | 138L |
| H4/69x1 | Right front door tweeter electrical connector | 132H |
| H4/70 | Left rear door tweeter | 39L |
| H4/70 | Left rear door tweeter | 44L |
| H4/70b1 | Left rear door tweeter Hall sensor | 46L |
| H4/70m1 | Left rear door tweeter motor | 47L |
| H4/70x1 | Left rear door tweeter electrical connector | 39H |
| H4/70x1 | Left rear door tweeter electrical connector | 41H |
| H4/71 | Right rear door tweeter | 71L |
| H4/71 | Right rear door tweeter | 76L |
| H4/71b1 | Right rear door tweeter Hall sensor | 78L |
| H4/71m1 | Right rear door tweeter motor | 79L |
| H4/71x1 | Right rear door tweeter electrical connector | 70H |
| H4/71x1 | Right rear door tweeter electrical connector | 72H |
| H4/72 | Left front door midrange speaker | 99L |
| H4/73 | Right front door midrange speaker | 130L |
| H4/76 | Center instrument panel tweeter | 162L |
| H4/78 | Center instrument panel midrange speaker | 160L |
| H4/80 | Left rear door midrange speaker | 36L |
| H4/81 | Right rear door midrange speaker | 68L |
| H4/86 | Left front door woofer | 100L |
| H4/87 | Right front door woofer | 131L |
| H4/92 | Left rear surround sound system tweeter | 169L |
| H4/93 | Left rear surround sound system midrange speaker | 167L |
| H4/94 | Right rear surround sound system tweeter | 171L |
| H4/95 | Right rear surround sound system midrange speaker | 168L |
| H4/96 | Headliner tweeter | 165L |
| H4/97 | Headliner midrange speaker | 163L |
| H4/98 | Left rear door woofer | 37L |
| H4/99 | Right rear door woofer | 69L |
| K40/5 | Rear fuse and relay module | 8L |
| K40/5 | Rear fuse and relay module | 110L |
| K40/5f405 | Fuse 405 | 3L |
| K40/5f405 | Fuse 405 | 109L |
| K40/5f426 | Fuse 426 | 6L |
| K40/5f475 | Fuse 475 | 5L |
| K40/5f476 | Fuse 476 | 4L |
| MOST | Media Oriented System Transport | 172C |
| N112/2 | Telematics services communication module | 22L |
| N112/9 | HERMES control unit | 21L |
| N123/4 | Emergency call system control unit | 17L |
| N160/1 | Left front door tweeter control unit | 116L |
| N160/2 | Right front door tweeter control unit | 145L |
| N160/3 | Left rear door tweeter control unit | 54L |
| N160/4 | Right rear door tweeter control unit | 85L |
| N40/3 | Sound system amplifier control unit | 3A |
| N40/3 | Sound system amplifier control unit | 20A |
| N40/3 | Sound system amplifier control unit | 12A |
| N40/3 | Sound system amplifier control unit | 31A |
| N40/3 | Sound system amplifier control unit | 47A |
| N40/3 | Sound system amplifier control unit | 38A |
| N40/3 | Sound system amplifier control unit | 55A |
| N40/3 | Sound system amplifier control unit | 63A |
| N40/3 | Sound system amplifier control unit | 71A |
| N40/3 | Sound system amplifier control unit | 79A |
| N40/3 | Sound system amplifier control unit | 87A |
| N40/3 | Sound system amplifier control unit | 145A |
| N40/3 | Sound system amplifier control unit | 96A |
| N40/3 | Sound system amplifier control unit | 104A |
| N40/3 | Sound system amplifier control unit | 112A |
| N40/3 | Sound system amplifier control unit | 120A |
| N40/3 | Sound system amplifier control unit | 129A |
| N40/3 | Sound system amplifier control unit | 137A |
| N40/3 | Sound system amplifier control unit | 153A |
| N40/3 | Sound system amplifier control unit | 163A |
| N40/3 | Sound system amplifier control unit | 169A |
| N40/9 | Bass speaker amplifier | 11L |
| N69/1 | Left front door control unit | 125L |
| N69/2 | Right front door control unit | 153L |
| N69/3 | Left rear door control unit | 62L |
| N69/4 | Right rear door control unit | 94L |
| U299 | Valid for model 222.9 | 41A |
| U299 | Valid for model 222.9 | 72A |
| W6 | Left wheel arch trunk ground point | 5E |
| X1/66 | Left rear door speaker-reveal electrical connector | 43H |
| X1/67 | Right rear door speaker-reveal electrical connector | 74H |
| X1/68 | Left tweeter power supply electrical connector | 113H |
| X1/69 | Right tweeter power supply electrical connector | 141H |
| X1/70 | Left rear door speaker-reveal power supply electrical connector | 45F |
| X1/70 | Left rear door speaker-reveal power supply electrical connector | 50H |
| X1/71 | Right rear door speaker-reveal power supply electrical connector | 76F |
| X1/71 | Right rear door speaker-reveal power supply electrical connector | 81H |
| X1/72 | Overhead control panel tweeter electrical connector | 31H |
| X141 | Left front door speaker-reveal electrical connector | 103H |
| X141/1 | Right front door speaker-reveal electrical connector | 134H |
| X18/35 | Cockpit wiring harness and frame floor assembly electrical connector | 160E |
| X23/9 | Rear shelf electrical connector | 166E |
| X25/8 | Overhead control panel and frame floor assembly electrical connector | 31E |
| X25/8 | Overhead control panel and frame floor assembly electrical connector | 163E |
| X260 | E-Call Russia (GLONASS) control unit electrical connector | 25L |
| X35/1 | Left front door electrical connector | 111H |
| X35/1 | Left front door electrical connector | 98E |
| X35/2 | Right front door electrical connector | 139H |
| X35/2 | Right front door electrical connector | 129E |
| X35/3 | Left rear door electrical connector | 49H |
| X35/3 | Left rear door electrical connector | 35E |
| X35/4 | Right rear door electrical connector | 80H |
| X35/4 | Right rear door electrical connector | 67E |
| Z137/2z1 | Left front door LIN (LIN B5) connector sleeve | 121G |
| Z137/8z1 | Left rear door LIN (LIN B9) connector sleeve | 59G |
| Z137/9z1 | Right rear door LIN (LIN B10) connector sleeve | 90G |
| Z137z1 | Right front door LIN (LIN B6) connector sleeve | 150G |
| Z232/19z1 | Circuit 31 connector sleeve | 123G |
| Z232/20z1 | Left front door stowage compartment illumination ambiance illumination connector sleeve (yellow) | 125G |
| Z232/21z1 | Left front door stowage compartment illumination ambiance illumination connector sleeve (blue) | 128G |
| Z232/22z1 | Left front door stowage compartment illumination ambiance illumination connector sleeve (red) | 126G |
| Z232/23z1 | Circuit 31 connector sleeve | 152G |
| Z232/24z1 | Right front door stowage compartment illumination ambiance illumination connector sleeve (yellow) | 153G |
| Z232/25z1 | Right front door stowage compartment illumination ambiance illumination connector sleeve (blue) | 156G |
| Z232/26z1 | Right front door stowage compartment illumination ambiance illumination connector sleeve (red) | 154G |
| Z232/27z1 | Circuit 31 connector sleeve Z232/28z1 Left rear door stowage compartment illumination ambiance 62G illumination connector sleeve (yellow) | 61G |
| Z232/29z1 | Left rear door stowage compartment illumination ambiance illumination connector sleeve (blue) | 65G |
| Z232/30z1 | Left rear door stowage compartment illumination ambiance illumination connector sleeve (red) | 64G |
| Z232/31z1 | Circuit 31 connector sleeve | 92G |
| Z232/32z1 | Right rear door stowage compartment illumination ambiance illumination connector sleeve (yellow) | 94G |
| Z232/33z1 | Right rear door stowage compartment illumination ambiance illumination connector sleeve (blue) | 97G |
| Z232/34z1 | Right rear door stowage compartment illumination ambiance illumination connector sleeve (red) | 95G |
| Z35/3z1 | Wake-up signal connector sleeve | 29E |
| Z7/18z1 | Circuit 30g connector sleeve | 1G |
| Z7/18z1 | Circuit 30g connector sleeve | 49L |
| Z7/18z1 | Circuit 30g connector sleeve | 80L |
| Z7/18z1 | Circuit 30g connector sleeve | 139L |
| Z7/18z1 | Circuit 30g connector sleeve | 108G |