Track Guidance, Function Schematic - PE54.71-P-2501-97C
Model 118, 167, 177, 243, 247, 293 with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS))
Model 213, 238, 257, 290 as of model year 2021 with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS))
| Code: | Designation: | Position: |
|---|---|---|
| A7/3 | SBC hydraulic unit | 37L |
| A26/17 | Head unit | 31E |
| A26/17 | Head unit | 2E |
| A40/16 | Head unit/instrument cluster display cluster | 35C |
| A91m1 | Electric power steering actuator motor | 34G |
| Code 475 | Tire pressure monitor | 2H |
| Code 545 | Connect 5 (NTG6) | 29C |
| Code 545 | Connect 5 (NTG6) | 1C |
| Code 547 | Connect 20 Entry (NTG6) | 29D |
| Code 547 | Connect 20 Entry (NTG6) | 1D |
| Code 548 | Connect 20 MID (NTG6) | 29D |
| Code 548 | Connect 20 MID (NTG6) | 1D |
| Code 549 | Connect 20 HIGH (NTG6) | 29E |
| Code 549 | Connect 20 HIGH (NTG6) | 1E |
| Code 550 | Trailer hitch | 2F |
| HSVL | High-speed video link | 33B |
| N2/10 | Supplemental restraint system control unit | 2B |
| N28/1 | Trailer recognition control unit | 2G |
| N30/4 | Electronic Stability Program (ESP®) control unit | 32K |
| N30/4 | Electronic Stability Program (ESP®) control unit | 13B |
| N30/8 | Regenerative braking system control unit | 32L |
| N30/8 | Regenerative braking system control unit | 13C |
| N49 | Steering angle sensor | 2K |
| N62/4 | Driver assistance systems control unit | 19F |
| N68 | Electrical power steering (ES) control unit | 28G |
| N73 | EIS [EZS] control unit | 24C |
| N73 | EIS [EZS] control unit | 11G |
| N80 | Steering column module | 2L |
| N88 | TPM [RDK] control unit | 2J |
| N166 | Head unit/instrument cluster control unit | 31C |
| N166 | Head unit/instrument cluster control unit | 2C |
| U1121 | Valid for model 167 | 32H |
| U1121 | Valid for model 167 | 12A |
| U1122 | Valid for model 293 | 32K |
| U1122 | Valid for model 293 | 12C |
| U1123 | Valid for model 118, 177, 247 | 32J |
| U1123 | Valid for model 118, 177, 247 | 12A |
| U1199 | Valid for vehicles up to facelift | 7C |
| U1199 | Valid for vehicles up to facelift | 26A |
| U1200 | Valid for vehicles as of facelift | 7E |
| U1200 | Valid for vehicles as of facelift | 26C |
| U1235 | Valid for model 213, 238, 257, 290 | 32J |
| U1235 | Valid for model 213, 238, 257, 290 | 12B |
| U1255 | Valid for model 243 | 32J |
| U1255 | Valid for model 243 | 12B |
| CAN B | Interior CAN | 8G |
| CAN H | Sensor CAN | 8B |
| CAN HMI | User interface CAN | 8J |
| CAN HMI | User interface CAN | 27B |
| CAN HMI | User interface CAN | 7D |
| CAN HMI2 | CAN 2 for user interface | 27C |
| CAN HMI2 | CAN 2 for user interface | 7D |
| Flex E | Chassis FlexRay | 16B |
| Flex E | Chassis FlexRay | 15K |
| Flex E | Chassis FlexRay | 27J |
| Flex E | Chassis FlexRay | 15G |
| Flex E | Chassis FlexRay | 22B |
| Flex E | Chassis FlexRay | 22J |
| Flex E | Chassis FlexRay | 22F |
| Flex E | Chassis FlexRay | 10L |
| 1 | ESP®, status | 17B |
| 2 | Active Lane Keeping Assist, status | 17F |
| 2 | Active Lane Keeping Assist, status | 9E |
| 2 | Active Lane Keeping Assist, status | 9C |
| 3 | Operating mode, status | 17F |
| 3 | Operating mode, status | 8E |
| 3 | Operating mode, status | 8C |
| 4 | Wheel speed, signal | 17B |
| 5 | Wheel rotation direction, signal | 17B |
| 6 | Steering angle, signal | 17K |
| 7 | Speed, turn rate and lateral acceleration, signal | 9A |
| 7 | Speed, turn rate and lateral acceleration, signal | 16B |
| 8 | Trailer recognition, status | 9G |
| 8 | Trailer recognition, status | 17F |
| 9 | Tire pressure monitor, message | 9H |
| 9 | Tire pressure monitor, message | 16F |
| 10 | Active Lane Keeping Assist warning, request | 23B |
| 10 | Active Lane Keeping Assist warning, request | 28C |
| 10 | Active Lane Keeping Assist warning, request | 28B |
| 11 | Image data, signal | 34B |
| 12 | Electric power steering, request | 26F |
| 13 | Electric power steering actuator motor, actuation | 33F |
| 14 | Wheel-specific service brake braking torque, request | 28J |
| 15 | Brake booster solenoid valve, actuation | 35J |