Attention Assist Electrical Function Schematic - PE54.71-P-2054-97TAB
Model 172.4 as of model year 2017
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Circuit 15, status | 14E |
| 10 | Steering wheel angle, signal | 16F |
| 12 | Audio operation, status | 6F |
| 12 | Audio operation, status | 12F |
| 13 | Combination switch, status | 20F |
| 13 | Combination switch, status | 16F |
| 14 | CRUISE CONTROL lever, signal | 17F |
| 14 | CRUISE CONTROL lever, signal | 21E |
| 15 | Steering column adjustment switch, status | 21G |
| 15 | Steering column adjustment switch, status | 17F |
| 2 | Attention assist status | 8H |
| 2 | Attention assist status | 12E |
| 3 | Warning message issue, request | 9F |
| 4 | Warning tone, request | 9F |
| 5 | Multifunction steering wheel button group, signal | 22E |
| 5 | Multifunction steering wheel button group, signal | 15F |
| 5 | Multifunction steering wheel button group, signal | 22B |
| 6 | Time, message | 8H |
| 6 | Time, message | 12E |
| 7 | Rain/light sensor, status | 12F |
| 7 | Rain/light sensor, status | 7E |
| 8 | Turn rate, lateral and longitudinal acceleration sensor, signal | 14H |
| 9 | Steering wheel angle sensor, signal | 23F |
| A1 | Instrument cluster | 7K |
| A1h1 | Warning buzzer | 6J |
| A1p13 | Multifunction display | 8J |
| A2 | Radio | 2D |
| A40/3 | COMAND control unit | 2G |
| B24/15 | Yaw rate sensor for lateral and longitudinal acceleration | 14K |
| B38/1 | Light sensor | 6B |
| B38/2 | Rain/light sensor | 6C |
| CAN B | Interior CAN | 5F |
| CAN E1 | Chassis CAN 1 | 11F |
| CAN E1 | Chassis CAN 1 | 17F |
| CAN E1 | Chassis CAN 1 | 14D |
| CAN E2 | Chassis CAN 2 | 7H |
| CAN H | Vehicle dynamics CAN | 14J |
| Code 239 | DISTRONIC PLUS | 12J |
| Code 275 | Front passenger seat memory package/electrically adjustable driver seat | 18H |
| Code 345 | Windshield wiper with rain sensor | 4B |
| Code 505 | Radio 20 NTG5, non-navigation-capable | 1D |
| Code 522 | Audio 20 radio | 1D |
| Code 531 | COMAND APS | 1F |
| LIN 2 | Wiper/inside rearview mirror LIN | 7B |
| LIN E1 | Steering LIN | 22C |
| N10/1 | Front SAM control unit with fuse and relay module | 7E |
| N135 | Steering wheel electronics | 22B |
| N30/4 | Electronic Stability Program control unit | 14E |
| N49 | Steering wheel angle sensor | 23E |
| N73 | Electronic ignition switch control unit | 14A |
| N80 | Steering column module control unit | 22E |
| S110 | Left multifunction steering wheel button group | 19A |
| S110s6 | OK button | 19A |
| S111 | Right multifunction steering wheel button group | 21A |
| S4 | Combination switch | 19F |
| S40/4 | Cruise control lever | 19E |
| S59 | Steering column adjustment switch | 19J |
| U192 | Valid for light sensor | 4A |