Sound Amplifier Control Unit Wiring Diagram - PE82.62-P-2101-97SEC
Model 217 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 | 35L |
| Code 348 | Emergency call/assistance system | 38D |
| Code 350 | Ecall Europe emergency call system | 38D |
| Code 360 | HERMES UMTS | 38D |
| Code 6U4 | Mercedes-Benz E-Call Russia (GLONASS) emergency call system | 42D |
| Code B54 | Live Traffic Information | 38D |
| H4/102 | Left rear sidewall cover midrange speaker | 19L |
| H4/103 | Right rear sidewall cover midrange speaker | 23L |
| H4/104 | Left rear sidewall cover tweeter | 21L |
| H4/105 | Right rear sidewall cover tweeter | 25L |
| H4/27 | Center instrument panel speaker | 32L |
| H4/42 | Left footwell woofer | 8L |
| H4/43 | Right footwell woofer | 9L |
| H4/62 | Left rear surround sound system midrange speaker | 28L |
| H4/63 | Right rear surround sound system midrange speaker | 30L |
| H4/68 | Left front door tweeter | 11L |
| H4/69 | Right front door tweeter | 15L |
| H4/72 | Left front door midrange speaker | 13L |
| H4/73 | Right front door midrange speaker | 17L |
| K40/5 | Rear fuse and relay module | 5L |
| K40/5f405 | Fuse 405 | 2L |
| K40/5f475 | Fuse 475 | 3L |
| MOST | Media Oriented System Transport | 46C |
| N112/2 | Telematics services communication module | 39L |
| N112/9 | HERMES control unit | 40L |
| N123/4 | Emergency call system control unit | 40L |
| N40/3 | Sound system amplifier control unit | 4A |
| N40/3 | Sound system amplifier control unit | 13A |
| N40/3 | Sound system amplifier control unit | 21A |
| N40/3 | Sound system amplifier control unit | 29A |
| N40/3 | Sound system amplifier control unit | 37A |
| N40/3 | Sound system amplifier control unit | 45A |
| U1217 | Valid for model series 217 | 34D |
| U1222 | Valid for model series 222 | 34D |
| U413 | Valid for model 217.3 | 26C |
| U414 | Valid for model 217.4 | 26C |
| W6 | Left wheel arch trunk ground point | 3E |
| X18/35 | Cockpit wiring harness and frame floor assembly electrical connector | 32E |
| X23/5 | Electrical connector/soft top compartment lid | 27F |
| X23/9 | Rear shelf electrical connector | 27E |
| X242/1 | Left rear sidewall cover electrical connector | 18H |
| X242/2 | Right rear sidewall cover electrical connector | 22H |
| X260 | E-Call Russia (GLONASS) control unit electrical connector | 44L |
| X35/1 | Left front door electrical connector | 10E |
| X35/2 | Right front door electrical connector | 14E |
| Z28/1z1 | Left rear speaker group connector sleeve (+ signal) | 18E |
| Z28/2z1 | Left rear speaker group connector sleeve (- signal) | 19E |
| Z28/3z1 | Right rear speaker group connector sleeve (+ signal) | 22E |
| Z28/4z1 | Right rear speaker group connector sleeve (- signal) | 23E |
| Z28/5z1 | Left front door speaker group connector sleeve (+ signal) | 11G |
| Z28/6z1 | Left front door speaker group connector sleeve (- signal) | 10G |
| Z28/7z1 | Right front door speaker group connector sleeve (+ signal) | 14G |
| Z28/8z1 | Right front door speaker group connector sleeve (- signal) | 15G |
| Z35/3z1 | Wake-up signal connector sleeve | 35F |