Collision Warning System, Function Schematic - PE54.70-P-2500-97A
Model 118, 167, 177, 243, 247, 293 with code 258 (Active Brake Assist System) except code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) except code 239 (Adaptive cruise control Pro (DISTRONIC PRO))
Model 213, 238, 257, 290 as of model year 2021 with code 258 (Active Brake Assist System) except code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) except code 239 (Adaptive cruise control Pro (DISTRONIC PRO))
| Code: | Designation: | Position: |
|---|---|---|
| A7/3 | SBC hydraulic unit | 31H |
| A26/17 | Head unit | 3D |
| A40/16 | Head unit/instrument cluster display cluster | 36C |
| A108 | Active Brake Assist controller unit | 17H |
| B92/20 | Collision warning system radar sensor | 17J |
| Code 545 | Connect 5 (NTG6) | 2B |
| Code 545 | Connect 5 (NTG6) | 28C |
| Code 547 | Connect 20 Entry (NTG6) | 2C |
| Code 547 | Connect 20 Entry (NTG6) | 28D |
| Code 548 | Connect 20 MID (NTG6) | 2D |
| Code 548 | Connect 20 MID (NTG6) | 28D |
| Code 549 | Connect 20 HIGH (NTG6) | 2D |
| Code 549 | Connect 20 HIGH (NTG6) | 28E |
| Code M005 | 4MATIC | 32J |
| Code ME01 | Electric motor | 28J |
| H4/61 | Instrument cluster speaker | 35E |
| HSVL | High-speed video link | 33B |
| N2/10 | Supplemental restraint system control unit | 3H |
| N3/9 | CDI control unit | 33K |
| N3/10 | Engine management control unit | 33L |
| N30/4 | Electronic Stability Program (ESP®) control unit | 9J |
| N30/4 | Electronic Stability Program (ESP®) control unit | 25G |
| N30/8 | Regenerative braking system control unit | 9K |
| N30/8 | Regenerative braking system control unit | 25G |
| N49 | Steering angle sensor | 1L |
| N73 | EIS [EZS] control unit | 9C |
| N73 | EIS [EZS] control unit | 23C |
| N80 | Steering column module | 3L |
| N127 | Drivetrain control unit | 23L |
| N129/1 | Electric machine 1 power electronics control unit | 33J |
| N129/2 | Electric machine 2 power electronics control unit | 33J |
| N133/1 | Instrument cluster control unit | 30E |
| N166 | Head unit/instrument cluster control unit | 3C |
| N166 | Head unit/instrument cluster control unit | 29C |
| U1121 | Valid for model 167 | 24F |
| U1121 | Valid for model 167 | 16G |
| U1121 | Valid for model 167 | 8H |
| U1122 | Valid for model 293 | 8K |
| U1122 | Valid for model 293 | 24G |
| U1122 | Valid for model 293 | 16J |
| U1123 | Valid for model 118, 177, 247 | 24F |
| U1123 | Valid for model 118, 177, 247 | 16G |
| U1123 | Valid for model 118, 177, 247 | 8H |
| U1128 | Valid for combustion engine | 28K |
| U1199 | Valid for vehicles up to facelift | 5A |
| U1199 | Valid for vehicles up to facelift | 25A |
| U1200 | Valid for vehicles as of facelift | 5C |
| U1200 | Valid for vehicles as of facelift | 25C |
| U1235 | Valid for model 213, 238, 257, 290 | 24F |
| U1235 | Valid for model 213, 238, 257, 290 | 16H |
| U1235 | Valid for model 213, 238, 257, 290 | 8H |
| U1255 | Valid for model 243 | 24G |
| U1255 | Valid for model 243 | 16H |
| U1255 | Valid for model 243 | 8J |
| CAN C | CAN for engine | 26L |
| CAN C1 | CAN 1 for drive | 26J |
| CAN H | Sensor CAN | 7G |
| CAN HMI | User interface CAN | 6B |
| CAN HMI | User interface CAN | 26B |
| CAN HMI2 | CAN 2 for user interface | 6C |
| CAN HMI2 | CAN 2 for user interface | 26C |
| Flex E | Chassis FlexRay | 12G |
| Flex E | Chassis FlexRay | 20B |
| Flex E | Chassis FlexRay | 20G |
| Flex E | Chassis FlexRay | 12B |
| Flex E | Chassis FlexRay | 7K |
| Flex E | Chassis FlexRay | 20K |
| Flex E | Chassis FlexRay | 12K |
| Flex E | Chassis FlexRay | 23J |
| 1 | Active Brake Assist, status | 14B |
| 1 | Active Brake Assist, status | 8A |
| 1 | Active Brake Assist, status | 8C |
| 2 | Wheel speed, signal | 14F |
| 3 | Wheel rotation direction, signal | 14F |
| 4 | Speed, turn rate and lateral acceleration, signal | 13F |
| 4 | Speed, turn rate and lateral acceleration, signal | 8F |
| 5 | Steering angle, signal | 14K |
| 6 | Steering wheel velocity, signal | 14K |
| 7 | Warning lamp, request | 22B |
| 7 | Warning lamp, request | 27B |
| 7 | Warning lamp, request | 27C |
| 8 | Image data, signal | 34B |
| 9 | Warning tone, request | 21B |
| 9 | Warning tone, request | 27B |
| 9 | Warning tone, request | 27C |
| 10 | Speaker, actuation | 34D |
| 11 | Braking torque, signal | 13F |
| 12 | Service brake braking torque, request | 21F |
| 13 | Brake booster solenoid valve, actuation | 29F |
| 14 | Engine torque, reduce request | 22K |
| 14 | Engine torque, reduce request | 27K |
| 15 | Regenerative braking torque, request | 27J |
| 15 | Regenerative braking torque, request | 23J |