Electrical Function Schematic For Active Lane Keeping Assist - PE54.71-P-2053-97XBA
Model 257, 290 up to model year 2021 with code 23P (Drive package) except code 243 (Active Lane Keeping Assist (camera))
Model 257, 290 up to model year 2021 with code P20 (Driving assistant package Plus) except code 243 (Active Lane Keeping Assist (camera))
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Engine running, signal | 10E |
| 1 | Engine running, signal | 21E |
| 1 | Engine running, signal | 19B |
| 10 | Wheel rotation direction, signal | 20H |
| 10 | Wheel rotation direction, signal | 6G |
| 11 | Gear range, status | 22B |
| 11 | Gear range, status | 10E |
| 11 | Gear range, status | 20E |
| 12 | Lane data, signal | 10F |
| 13 | Far range radar sensor, signal | 7H |
| 14 | Close range radar sensors, signal | 9E |
| 15 | Steering wheel angle sensor, signal | 39K |
| 16 | Steering wheel angle, signal | 6E |
| 16 | Steering whee1 angle, signal | 22H |
| 17 | Steering whee1 velocity, signal | 6E |
| 17 | Steering wheel velocity, signal | 22H |
| 18 | Brake pedal, status | 20H |
| 18 | Brake pedal, status | 6G |
| 19 | Accelerator pedal position, signal | 20E |
| 19 | Accelerator pedal position, signal | 11E |
| 2 | Drivetrain operational, signal | 10E |
| 2 | Drivetrain operational, signal | 21E |
| 2 | Drivetrain operational, signal | 19B |
| 20 | Combination switch, status | 5E |
| 20 | Combination switch, status | 22H |
| 20 | Combination switch, status | 37J |
| 21 | Speed, turn rate and lateral acceleration, signal | 6G |
| 21 | Speed, turn rate and lateral acceleration, signal | 1H |
| 21 | Speed, turn rate and lateral acceleration, signal | 20J |
| 22 | Operation, signal | 31J |
| 22 | Operation, signal | 31K |
| 22 | Operation, signal | 46K |
| 22 | Operation, signal | 40K |
| 22 | Operation, signal | 30G |
| 22 | Operation, signal | 24D |
| 22 | Operation, signal | 55F |
| 22 | Operation, signal | 29G |
| 22 | Operation, signal | 31H |
| 24 | Steering column adjustment switch, status | 37K |
| 24 | Steering column adjustment switch, status | 22J |
| 25 | Multifunction steering wheel button group, signal | 22J |
| 25 | Multifunction steering wheel button group, signal | 47K |
| 25 | Multifunction steering wheel button group, signal | 40J |
| 26 | Driver-side switch group, status | 24E |
| 26 | Driver-side switch group, status | 31E |
| 26 | Driver-side switch group, status | 35E |
| 27 | Automatic function switch, status | 23E |
| 27 | Automatic function switch, status | 30D |
| 28 | Reading lamp button, status | 30D |
| 28 | Reading lamp button, status | 23D |
| 3 | Radar sensor system operational, status | 7G |
| 31 | Active Lane Keeping Assist warning, request | 39G |
| 31 | Active Lane Keeping Assist warning, request | 27E |
| 32 | ESP®, status | 6G |
| 32 | ESP®, status | 20J |
| 33 | Tire pressure monitor, message | 7D |
| 33 | Tire pressure monitor, message | 24E |
| 33 | Tire pressure monitor, message | 28G |
| 34 | Tire pressure loss warning, status | 6G |
| 34 | Tire pressure loss warning, status | 20K |
| 35 | Trailer recognition, status | 27F |
| 35 | Trailer recognition, status | 7D |
| 35 | Trailer recognition, status | 24E |
| 36 | Wheel-specific service brake braking torque, request | 3G |
| 37 | Wheel-specific service brake braking torque, actuation | 4H |
| 38 | Heater, actuation | 9K |
| 39 | Electric power steering, request | 18H |
| 4 | Stereo multifunction camera, status | 10F |
| 40 | Electric power steering actuator motor, actuation | 16K |
| 5 | Active Lane Keeping Assist button, status | 8E |
| 5 | Active Lane Keeping Assist button, status | 23E |
| 5 | Active Lane Keeping Assist button, status | 29D |
| 5 | Active Lane Keeping Assist button, status | 33B |
| 6 | Active Lane Keeping Assist, status | 40G |
| 6 | Active Lane Keeping Assist, status | 28D |
| 7 | Active Lane Keeping Assist mode, request | 8D |
| 7 | Active Lane Keeping Assist mode, request | 23E |
| 7 | Active Lane Keeping Assist mode, request | 30G |
| 8 | Operating mode, status | 28D |
| 8 | Operating mode, status | 30H |
| 9 | Wheel speed, signal | 20H |
| 9 | Wheel speed, signal | 6G |
| A1 | Instrument cluster | 41F |
| A105 | Touchpad | 53B |
| A105 | Touchpad | 53E |
| A26/17 | Head unit | 30J |
| A40/13 | Stereo multifunction camera | 21E |
| A40/9 | Audio/COMAND control panel | 53H |
| A7/3 | Traction system hydraulic unit | 5H |
| A91m1 | Electric power steering actuator motor | 15J |
| B25/20 | Driver hands-free system microphone | 33J |
| B92/10 | Left outer rear bumper radar sensor | 12D |
| B92/12 | Short and long-range radar sensor | 8J |
| B92/7 | Right outer rear bumper radar sensor | 12C |
| CAN A | Telematics CAN | 36H |
| CAN A | Telematics CAN | 44H |
| CAN B | Interior CAN | 32E |
| CAN B | Interior CAN | 25F |
| CAN B | Interior CAN | 29D |
| CAN B | Interior CAN | 36D |
| CAN C1 | Drivetrain CAN | 18C |
| CAN C1 | Drivetrain CAN | 23C |
| CAN H | Vehicle dynamics CAN | 2J |
| CAN HMI | User interface CAN | 30H |
| CAN HMI | User interface CAN | 36G |
| CAN HMI | User interface CAN | 27H |
| CAN LR | Steering wheel CAN | 42J |
| CAN S2 | Rear radar CAN | 10D |
| Code 275 | Memory package | 34K |
| Code 443 | Steering wheel heater | 34L |
| Code 446 | Touchpad only | 51E |
| Code 448 | Touchpad | 51B |
| Code 475 | Tire pressure monitor | 25J |
| Code 550 | Trailer hitch | 22H |
| Flex E | Chassis FlexRay | 14G |
| Flex E | Chassis FlexRay | 21D |
| Flex E | Chassis FlexRay | 4L |
| Flex E | Chassis FlexRay | 12L |
| Flex E | Chassis FlexRay | 27A |
| Flex E | Chassis FlexRay | 20A |
| Flex E | Chassis FlexRay | 12A |
| Flex E | Chassis FlexRay | 18L |
| Flex E | Chassis FlexRay | 8J |
| Flex E | Chassis FlexRay | 25E |
| Flex E | Chassis FlexRay | 5G |
| Flex E | Chassis FlexRay | 12F |
| Flex E | Chassis FlexRay | 5F |
| Flex E | Chassis FlexRay | 35J |
| Flex E | Chassis FlexRay | 36L |
| Flex E | Chassis FlexRay | 27L |
| Flex E | Chassis FlexRay | 32L |
| Flex E | Chassis FlexRay | 27A |
| Flex E | Chassis FlexRay | 20A |
| Flex E | Chassis FlexRay | 12A |
| Flex E | Chassis FlexRay | 45L |
| Flex E | Chassis FlexRay | 44A |
| Flex E | Chassis FlexRay | 36A |
| Flex E | Chassis FlexRay | 51L |
| Flex E | Chassis FlexRay | 51A |
| Flex E | Chassis FlexRay | 4A |
| Flex E | Chassis FlexRay | 18F |
| Flex E | Chassis FlexRay | 18H |
| LIN 1 | Instrument panel LIN | 34B |
| LIN A3 | LCP LIN | 56F |
| LIN B5 | Left front door LIN | 36E |
| N10/6 | Front SAM control unit | 32B |
| N127 | Drivetrain control unit | 20B |
| N135 | Steering wheel electronics | 46J |
| N2/10 | Supplemental restraint system control unit | 2K |
| N28/1 | Trailer recognition control unit | 23J |
| N3/10 | ME-SFI [ME] control unit | 15D |
| N3/9 | CDI control unit | 16B |
| N30/4 | Electronic Stability Program control unit | 2E |
| N49 | Steering wheel angle sensor | 40K |
| N62/4 | Mercedes-Benz Intelligent Drive control unit | 8E |
| N68 | Electrical power steering control unit | 18J |
| N69/1 | Left front door control unit | 34D |
| N70 | Overhead control panel control unit | 42C |
| N70s3 | Interior lamp automatic function button | 41D |
| N70s6 | Left front reading lamp button | 41D |
| N70s7 | Right front reading lamp button | 41D |
| N72/1 | Upper control panel control unit | 58F |
| N72/1s58 | Vehicle button | 59E |
| N73 | Electronic ignition switch control unit | 29E |
| N80 | Steering column module control unit | 38J |
| N88 | Tire pressure monitor control unit | 26J |
| R61 | Radome heater | 10K |
| S163/1 | Instrument cluster multifunction steering wheel button group | 47J |
| S163/2 | Head unit multifunction steering wheel button group | 50J |
| S163/2s10 | Head unit finger navigation pad | 50J |
| S163/2s13 | "Back" button | 50J |
| S20 | Driver-side power window and outside mirror adjustment switch group | 38D |
| S4 | Combination switch | 36K |
| S59 | Steering column adjustment switch | 36K |
| S59/1s1 | Steering column adjustment switch | 36L |
| S6/1 | Driver-side instrument panel button group | 35B |
| S6/1s2 | Active Lane Keeping Assist button | 37A |
| U1056 | Valid except code 446 (Touchpad only) | 51H |
| U74 | Valid for diesel engines | 14B |
| U745 | Not valid for steering wheel heater | 34K |
| U75 | Valid for gasoline engines | 14D |
| Y3/8n4 | Fully integrated transmission control electric controller unit control unit | 25B |