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Home >> Mercedes Benz >> 2011 >> S550 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical -- OEM Wiring Diagrams -- S-Class (221) >> Wiring Diagrams >> Electrical function schematic for attention assist - PE54.71-P-2050-97SAA

Electrical function schematic for attention assist - PE54.71-P-2050-97SAA

Code: Designation: Position:
1 Circuit 15, status 12G
10 Warning message issue, request 8J
10 Warning message issue, request  
2 Multifunction steering wheel button group, signal  
2 Multifunction steering wheel button group, signal  
3 Steering angle, signal  
4 Steering column adjustment switch, status  
4 Steering column adjustment switch, status  
5 Combination switch, status  
5 Combination switch, status  
6 Cruise control, request  
6 Cruise control, request  
7 Rain/light sensor, status 8E
7 Rain/light sensor, status 7B
7 Rain/light sensor, status  
8 Audio operation, status  
8 Audio operation, status  
9 Time, signal 8H
9 Time, signal  
A1 Instrument cluster 8J
A40/3 COMAND control unit 3F
A8/1 Transmitter key 12K
B24/8 Attention assist sensor 17G
B38/2 Rain/light sensor 4B
CAN B Interior CAN 8D
CAN E Chassis CAN 11F
CAN E Chassis CAN 18F
CAN E Chassis CAN 11H
CAN F Central CAN 8H
CAN F Central CAN 5F
LIN E1 Steering LIN 22D
N30/6 Regenerative braking system control unit 14G
N47-5 ESP control unit 14D
N70 Overhead control panel control unit 8A
N73 EIS [EZS] control unit 11J
N80 Steering column module 22E
N93 Central gateway control unit 8E
S110 Left multifunction steering wheel button group 21B
S111 Right multifunction steering wheel button group 23B
S4 Combination switch 19G
S40/4 CC [TPM] switch 19E
S59 Steering column adjustment switch 19J
S59/1 Steering column adjustment/steering wheel heater switch 19K
U52 Valid for {{Japan}}  
U54 Valid for all except {{Japan}} 1E
U744 Valid for steering wheel heater 18K
U968 Valid for mild hybrid drive 13F
U977 Not valid for mild hybrid drive 13D
Fig 1: Electrical Function Schematic - Attention Assist (1 Of 2)
G07688088Courtesy of MERCEDES-BENZ USA
Fig 2: Electrical Function Schematic - Attention Assist (2 Of 2)
G07688089Courtesy of MERCEDES-BENZ USA