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Function diagram, electrical system, heated seats (HS) - PE91.30-U-2050-99RAA

Code Designation Position
1 Circuit 15, status 6 H
1 Circuit 15, status 9 K
2 SIH switch, status 5 B
2 SIH switch, status 12 F
3 Seat heater, request 5 E
3 Seat heater, request 10 H
4 Seat heater, actuation 4 F
4 Seat heater, actuation 12 J
5 Seat heater status indication, signal 6 D
5 Seat heater status indication, signal 6 B
5 Seat heater status indication, signal 11 H
5 Seat heater status indication, signal 13 F
A8/1 Transmitter key 6 K
CAN B Interior CAN 5 H
CAN B Interior CAN 7 K
Code 872 Left and right rear seat heaters 9 E
N10 Front SAM control unit 5 E
N25/7 HS [SIH], seat ventilation and steering wheel heater control unit 10 J
N72/1 Upper control panel control unit 5 C
N72/1s10 Left front HS [SIH] switch 5 A
N72/1s11 Right front HS [SIH] switch 5 A
N72/2 RCP [HBF] control unit 10 F
N72/2s10 Left HS [SIH] switch, 2nd seat row 13 F
N72/2s11 Right HS [SIH] switch, 2nd seat row 13 G
N73 EIS [EZS] control unit 5 J
R13/1 Left front seat heated cushion 1 F
R13/2 Left front backrest heated cushion 1 F
R13/3 Right front seat heated cushion 1 F
R13/4 Right front backrest heated cushion 1 G
R13/5 Left 2nd row seat heated cushion 13 J
R13/6 Left 2nd row backrest heated cushion 13 K
R13/7 Right 2nd row seat heated cushion 13 K
R13/8 Right 2nd row backrest heated cushion 13 K
Fig 1: Electrical System, Heated Seats Function Diagram
G10123153Courtesy of MERCEDES-BENZ USA