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Home >> Mercedes Benz >> 2021 >> E450 Base, 2D Convertible >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instruments - 238 Chassis (6 Of 6) >> Wiring Diagrams >> Electrical Function Schematic For Active Lane Keeping Assist >> Electrical Function Schematic For Active Lane Keeping Assist - PE54.71-P-2053-97DCD

Electrical Function Schematic For Active Lane Keeping Assist - PE54.71-P-2053-97DCD

Model 238 as of model year 2019 up to model year 2021 with code 243 (Active Lane Keeping Assist (camera)) except code 23P (Drive package) 

Code: Designation: Position:
10 Accelerator pedal sensor, signal 29D
11 Combination switch, status 14G
11 Combination switch, status 15H
11 Combination switch, status 25E
12 Speed, turn rate and lateral acceleration, signal 3G
12 Speed, turn rate and lateral acceleration, signal 9F
12 Speed, turn rate and lateral acceleration, signal 24E
13 Operation, signal 12H
13 Operation, signal 27E
13 Operation, signal 18H
13 Operation, signal 22H
13 Operation, signal 13L
13 Operation, signal 10K
13 Operation, signal 12H
13 Operation, signal 15F
14 Steering column adjustment switch, status 15G
14 Steering column adjustment switch, status 27E
15 Multifunction steering wheel button group, signal 15J
15 Multifunction steering wheel button group, signal 15G
15 Multifunction steering wheel button group, signal 26E
15 Multifunction steering wheel button group, signal 23H
16 Driver-side switch group, status 9G
16 Driver-side switch group, status 26E
16 Driver-side switch group, status 7H
17 Automatic function switch, status 9E
17 Automatic function switch, status 25E
18 Reading lamp button, status 9E
18 Reading lamp button, status 25E
19 Electric power steering, request 14E
19 Electric power steering, request 24J
2 Drivetrain operational, signal 29D
2 Drivetrain operational, signal 30B
20 Vibration time, signal 24J
20 Vibration time, signal 15E
21 Electric power steering actuator motor, actuation 27H
22 Tire pressure sensor, signal 8F
22 Tire pressure sensor, signal 13E
22 Tire pressure sensor, signal 24E
23 Trailer recognition, status 11E
23 Trailer recognition, status 24E
24 Braking torque increase, request 15E
24 Braking torque increase, request 4F
25 Traction system hydraulic unit, actuation 4E
3 Wheel speed, signal 9F
3 Wheel speed, signal 27E
4 Active Lane Keeping Assist button, status 27E
4 Active Lane Keeping Assist button, status 12E
4 Active Lane Keeping Assist button, status 13A
5 Lane Keeping Assist, status 14E
5 Lane Keeping Assist, status 16C
6 Operating mode, request 26E
6 Operating mode, request 12G
7 Steering wheel angle sensor, signal 17H
8 Steering wheel angle, signal 14G
8 Steering wheel angle, signal 26E
9 Brake pedal, status 25E
9 Brake pedal, status 9F
A1 Instrument cluster 18B
A105 Touchpad 36G
A105 Touchpad 42G
A26/17 Head unit 11K
A40/11 Mono multifunction camera 28E
A40/9 Audio/COMAND control panel 39G
A7/3 Traction system hydraulic unit 5E
A91m1 Electric power steering actuator motor 28H
B25/20 Driver hands-free system microphone 8K
CAN A Telematics CAN 15L
CAN B Interior CAN 8E
CAN B Interior CAN 7G
CAN B Interior CAN 7A
CAN B Interior CAN 11D
CAN C1 Drive train CAN 31C
CAN H Vehicle dynamics CAN 2H
CAN HMI User interface CAN 20D
CAN HMI User interface CAN 11H
CAN HMI User interface CAN 15C
CAN HMI User interface CAN 15D
CAN LR Steering wheel CAN 19H
CAN PER Peripherals CAN 20F
CAN PER Peripherals CAN 15F
CAN PER Peripherals CAN 28D
Code 275 Memory package 14J
Code 446 Touchpad only 34G
Code 448 Touchpad 41G
Code 475 Tire pressure monitor 23B
Code 550 Trailer hitch 2A
Flex E Chassis FlexRay 7F
Flex E Chassis FlexRay 15F
Flex E Chassis FlexRay 15K
LIN 1 Instrument panel LIN 13B
LIN A3 LCP LIN 38E
LIN B5 Left front door LIN 8J
N10/6 Front SAM control unit 11A
N127 Drivetrain control unit 28B
N135 Steering wheel electronics 22G
N2/10 Supplemental restraint system control unit 2J
N28/1 Trailer recognition control unit 2A
N3/10 ME-SFI [ME] control unit 34C
N3/9 CDI control unit 34A
N30/4 Electronic Stability Program control unit 2E
N49 Steering wheel angle sensor 18J
N68 Electrical power steering control unit 26J
N69/1 Left front door control unit 6H
N70 Overhead control panel control unit 7B
N70s3 Interior lamp automatic function button 5C
N70s6 Left front reading lamp button 5C
N70s7 Right front reading lamp button 5C
N72/1 Upper control panel control unit 38C
N72/1s58 Vehicle button 38C
N73 Electronic ignition switch control unit 11E
N80 Steering column module control unit 16G
N88 Tire pressure monitor control unit 24B
S163/1 Instrument cluster multifunction steering wheel button group 23G
S163/2 Head unit multifunction steering wheel button group 25H
S163/2s10 Head unit finger navigation pad 26G
S163/2s13 "Back" button 26H
S20 Driver-side power window and outside mirror adjustment switch group 9H
S4 Combination switch 14H
S59 Steering column adjustment switch 15J
S6/1 Driver-side instrument panel button group 15A
S6/1s2 Active Lane Keeping Assist button 15A
U1056 Valid except code 446 (Touchpad only) 38G
U74 Valid for diesel engines 33A
U75 Valid for gasoline engines 33C
G15470642Courtesy of MERCEDES-BENZ USA
G15470643Courtesy of MERCEDES-BENZ USA
G15470644Courtesy of MERCEDES-BENZ USA