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Home >> Mercedes Benz >> 2021 >> GT 43 AMG >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Electrical System, Equipment & Instruments (4 Of 4) -- 290 Chassis >> Wiring Diagrams >> Attention Assist Electrical Function Schematic >> Attention Assist Electrical Function Schematic - PE54.71-P-2054-97XBA

Attention Assist Electrical Function Schematic - PE54.71-P-2054-97XBA

Model 257, 290 up to model year 2021 

Code: Designation: Position:
1 Engine running, signal 19J
1 Engine running, signal 23F
10 High-speed video link video signal data transfer, signal 9J
11 Time, signal 17D
11 Time, signal 18H
12 Light sensor, status 13G
12 Light sensor, status 16F
12 Light sensor, status 18H
12 Light sensor, status 15H
13 Steering wheel angle sensor, signal 30K
14 Steering wheel angle, signal 20K
15 Steering wheel velocity, signal 20K
16 Speed, turn rate and lateral acceleration, signal 17K
17 Operation, signal 16E
17 Operation, signal 18H
17 Operation, signal 19C
17 Operation, signal 30H
17 Operation, signal 30D
17 Operation, signal 10F
17 Operation, signal 8D
17 Operation, signal 9F
17 Operation, signal 7D
17 Operation, signal 6D
17 Operation, signal 7F
17 Operation, signal 4K
17 Operation, signal 17L
18 Steering column adjustment switch, status 28K
18 Steering column adjustment switch, status 21K
19 Combination switch, status 28K
19 Combination switch, status 21K
2 Drivetrain operational, signal 19H
2 Drivetrain operational, signal 23F
3 ATTENTION ASSIST, status 16E
3 ATTENTION ASSIST, status 18J
3 ATTENTION ASSIST, status 23A
4 Instrument cluster message, request 21B
4 Instrument cluster message, request 18F
5 Warning message issue, request 20B
5 Warning message issue, request 18F
5 Warning message issue, request 10F
6 Warning tone, request 20B
6 Warning tone, request 18G
7 Speaker, actuation 20C
8 Multifunction steering wheel button group, signal 30H
8 Multifunction steering wheel button group, signal 20K
8 Multifunction steering wheel button group, signal 30D
8 Multifunction steering wheel button group, signal 18C
8 Multifunction steering wheel button group, signal 20B
9 Audio/COMAND display, actuation 8J
A1 Instrument cluster 22B
A105 Touchpad 6A
A105 Touchpad 11B
A26/17 Head unit 8F
A40/8 Audio/COMAND display 8J
A40/9 Audio/COMAND control panel 8B
B25/20 Driver hands-free system microphone 5F
B38/2 Rain/light sensor with additional functions 16G
B38/2b2 Light sensor 14J
CAN A Telematics CAN 8H
CAN A Telematics CAN 8E
CAN B Interior CAN 13F
CAN C1 Drivetrain CAN 23G
CAN DRVU Drive Unit CAN 3L
CAN H Vehicle dynamics CAN 15K
CAN HMI User interface CAN 13E
CAN HMI User interface CAN 18B
CAN HMI User interface CAN 4G
CAN HMI User interface CAN 4A
CAN HMI User interface CAN 12A
CAN HMI User interface CAN 19A
CAN LR Steering wheel CAN 29H
Code 275 Memory package 25K
Code 443 Steering wheel heater 25L
Code 446 Touchpad only 4A
Code 448 Touchpad 10A
Flex E Chassis FlexRay 17G
Flex E Chassis FlexRay 20E
Flex E Chassis FlexRay 20D
Flex E Chassis FlexRay 27D
Flex E Chassis FlexRay 23K
Flex E Chassis FlexRay 13L
H4/61 Instrument cluster speaker 20C
HSVL High-speed video link 9H
LIN A3 LCP LIN 6F
LIN A3 LCP LIN 5E
LIN A3 LCP LIN 5E
LIN B16 Rain and light sensor LIN 14G
N10/6 Front SAM control unit 12F
N127 Drivetrain control unit 23D
N135 Steering wheel electronics 31E
N145/1 Drive unit control unit 6K
N2/10 Supplemental restraint system control unit 13J
N3/10 ME-SFI [ME] control unit 22G
N3/9 CDI control unit 24H
N30/4 Electronic Stability Program control unit 18J
N49 Steering wheel angle sensor 31K
N72/1 Upper control panel control unit 3F
N72/1s58 Vehicle button 3F
N72/4 Left lower control panel 2A
N72/4 Left lower control panel 2H
N72/5 Right lower control panel 3A
N72/5 Right lower control panel 3H
N73 Electronic ignition switch control unit 17D
N80 Steering column module control unit 29J
S163/1 Instrument cluster multifunction steering wheel button group 28B
S163/1s10 Instrument cluster finger navigation pad 28B
S163/2 Head unit multifunction steering wheel button group 31C
S163/2s10 Head unit finger navigation pad 31B
S163/2s13 "Back" button 31B
S4 Combination switch 27K
S59 Steering column adjustment switch 27L
S59/1s1 Steering column adjustment switch 27L
U1056 Valid except code 446 (Touchpad only) 7A
U2573 Valid for model 257.3 1A
U2906 Valid for model 290.6 1H
U74 Valid for diesel engines 23G
U745 Not valid for steering wheel heater 25L
U75 Valid for gasoline engines 21G
G16549947Courtesy of MERCEDES-BENZ USA
G16549948Courtesy of MERCEDES-BENZ USA
G16549949Courtesy of MERCEDES-BENZ USA
G16549950Courtesy of MERCEDES-BENZ USA