Electrical Function Diagram For Manual Or Automatic Emergency Call, Function - PE82.95-P-2066-97XBA
Model 257, 290 up to model year 2021 with code 362 (HERMES communications module LTE)
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Circuit 15, status | 49G |
| 10 | Voice input, signal | 16J |
| 10 | Voice input, signal | 50L |
| 11 | Voice output, signal | 56L |
| 12 | Steering wheel angle sensor, signal | 26D |
| 12 | Steering wheel angle sensor, signal | 49G |
| 12 | Steering wheel angle sensor, signal | 32F |
| 13 | Manual emergency call, signal | 50G |
| 13 | Manual emergency call, signal | 37E |
| 14 | Telephone, signal | 56G |
| 14 | Telephone, signal | 57B |
| 14 | Telephone, signal | 57E |
| 14 | Telephone, signal | 59E |
| 14 | Telephone, signal | 54B |
| 14 | Telephone, signal | 60C |
| 14 | Telephone, signal | 54C |
| 14 | Telephone, signal | 54H |
| 15 | GPS, signal | 50K |
| 16 | Position data, signal | 50G |
| 16 | Position data, signal | 32G |
| 17 | Status indication, signal | 38F |
| 17 | Status indication, signal | 41D |
| 17 | Status indication, signal | 32C |
| 17 | Status indication, signal | 21G |
| 18 | Switch-on request, signal | 14F |
| 2 | Readiness, signal | 50A |
| 2 | Readiness, signal | 50H |
| 2 | Readiness, signal | 50E |
| 2 | Readiness, signal | 50L |
| 2 | Readiness, signal | 50K |
| 2 | Readiness, signal | 54B |
| 2 | Readiness, signal | 54H |
| 2 | Readiness, signal | 50C |
| 2 | Readiness, signal | 54C |
| 3 | Crash, signal | 49G |
| 3 | Crash, signal | 37D |
| 3 | Crash, signal | 50A |
| 3 | Crash, signal | 38G |
| 4 | Yaw rate, signal | 49G |
| 4 | Yaw rate, signal | 34D |
| 5 | Audio/COMAND display, message | 14E |
| 6 | Multifunction steering wheel button group, signal | 32F |
| 6 | Multifunction steering wheel button group, signal | 27D |
| 6 | Multifunction steering wheel button group, signal | 27B |
| 6 | Multifunction steering wheel button group, signal | 50G |
| 7 | Operation, signal | 16L |
| 7 | Operation, signal | 16H |
| 7 | Operation, signal | 16E |
| 7 | Operation, signal | 50G |
| 7 | Operation, signal | 32G |
| 7 | Operation, signal | 7K |
| 7 | Operation, signal | 7D |
| 7 | Operation, signal | 3E |
| 8 | Wheel speed, signal | 49G |
| 8 | Wheel speed, signal | 34D |
| 9 | Mute function, signal | 21L |
| 9 | Mute function, signal | 48C |
| 9 | Mute function, signal | 48E |
| 9 | Mute function, signal | 48H |
| A1 | Instrument cluster | 32A |
| A105 | Touchpad | 9F |
| A105 | Touchpad | 9C |
| A2/102 | Left telephone antenna | 59D |
| A2/103 | Right telephone antenna | 57D |
| A2/109 | Telephone antenna splitter | 58G |
| A2/140 | Emergency call system antenna 1 | 58B |
| A2/141 | Emergency call system antenna 2 | 58H |
| A2/141 | Emergency call system antenna 2 | 61C |
| A2/23 | GPS antenna | 47K |
| A26/17 | Head unit | 18H |
| A40/8 | Audio/COMAND display | 12E |
| A40/9 | Audio/COMAND control panel | 9J |
| B25/20 | Driver hands-free system microphone | 14H |
| CAN A | Telematics CAN | 15K |
| CAN A | Telematics CAN | 15G |
| CAN A | Telematics CAN | 15F |
| CAN A | Telematics CAN | 15D |
| CAN B | Interior CAN | 39D |
| CAN D | Diagnostic CAN | 49F |
| CAN D | Diagnostic CAN | 39F |
| CAN DRVU | Drive Unit CAN | 2E |
| CAN HMI | User interface CAN | 38D |
| CAN HMI | User interface CAN | 25F |
| CAN HMI | User interface CAN | 32D |
| CAN LR | Steering wheel CAN | 27C |
| Code 23P | Driver assistance package | 41H |
| Code 446 | Touchpad only | 8C |
| Code 448 | Touchpad | 8F |
| Code 810 | Sound system | 45G |
| Code 810 | Sound system | 56K |
| Code 811 | Advanced sound system | 57K |
| Code 811 | Advanced sound system | 45D |
| Code P20 | Driver assistance package PLUS | 41H |
| Flex E | Chassis FlexRay | 30D |
| Flex E | Chassis FlexRay | 35D |
| Flex E | Chassis FlexRay | 39H |
| H4/27 | Center instrument panel speaker | 58K |
| H4/78 | Center instrument panel midrange speaker | 58K |
| HSVL | High-speed video link | 15E |
| LIN A3 | LCP LIN | 6D |
| LIN A3 | LCP LIN | 6K |
| LIN E2 | Seat occupied recognition LIN | 45A |
| N112/9 | HERMES control unit | 52F |
| N135 | Steering wheel electronics | 28B |
| N145/1 | Drive unit control unit | 3F |
| N2/10 | Supplemental restraint system control unit | 38A |
| N30/4 | Electronic Stability Program control unit | 35A |
| N40/2 | Sound system midline amplifier control unit | 47B |
| N40/3 | Sound system amplifier control unit | 47G |
| N40/7 | Advanced sound system amplifier control unit | 46E |
| N49 | Steering wheel angle sensor | 23D |
| N62/4 | Mercedes-Benz Intelligent Drive control unit | 43H |
| N70 | Overhead control panel control unit | 41D |
| N70s11 | SOS button | 41B |
| N72/5 | Right lower control panel | 3H |
| N72/5 | Right lower control panel | 3A |
| N72/5s1 | Volume adjustment button | 4J |
| N72/5s1 | Volume adjustment button | 4B |
| N73 | Electronic ignition switch control unit | 35F |
| N80 | Steering column module control unit | 28D |
| S163/2 | Head unit multifunction steering wheel button group | 26A |
| S163/2s15 | Accept/terminate phone call switch | 26A |
| S163/2s16 | Volume adjustment switch | 26B |
| U1056 | Valid except code 446 (Touchpad only) | 8J |
| U165 | Valid for AMG | 45C |
| U2573 | Valid for model 257.3 | 56H |
| U2573 | Valid for model 257.3 | 57A |
| U2573 | Valid for model 257.3 | 1H |
| U2573 | Valid for model 257.3 | 45C |
| U2906 | Valid for model 290. 6 | 56D |
| U2906 | Valid for model 290. 6 | 61B |
| U2906 | Valid for model 290. 6 | 1A |
| U2906 | Valid for model 290. 6 | 45C |
| U296 | Not valid for expanded sound system | 45B |
| U342 | Valid except code 531 (COMAND APS) and except code 355 (Pre-installation for navigation retrofit) | 45J |
| U500 | Not valid for sound system | 45B |