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Electrical function schematic, seat heater (SIH) - PE91.30-P-2050-97FAA

Code: Designation: Position:
1 Circuit 15, status 8E
1 Circuit 15, status 12H
1 Circuit 15, status 7J
2 Seat heater button, status 6J
2 Seat heater button, status 5E
3 Seat heater status indication, signal 7G
3 Seat heater status indication, signal 4D
4 Seat heater, actuation 4K
5 Interior temperature sensor, signal 8K
A8/1 Transmitter key 13F
CAN B Interior CAN 9F
CAN B Interior CAN 8H
CAN B Interior CAN 9K
CAN B Interior CAN 11H
CAN B Interior CAN 7H
LIN 1 Instrument panel LIN 5D
N10/1 Front SAM control unit with fuse and relay module 6E
N10/2 Rear SAM control unit with fuse and relay module 7K
N22/7 Automatic air conditioning control and operating unit 11K
N72/1 Upper control panel control unit 3B
N72/1s10 Left front heated seat button 2A
N72/1s11 Right front heated seat button 5A
N73 Electronic ignition switch control unit 11E
R13/1 Left front seat sitting surface heated cushion 2H
R13/2 Left front backrest heated cushion 2H
R13/3 Right front seat sitting surface heated cushion 2H
R13/4 Right front backrest heated cushion 2H
U113 Valid for 2-zone THERMATIC 10J
U114 Valid for 3-zone THERMOTRONIC 10J
Fig 1: Seat Heater (SIH) - Electrical Function Schematic
G07532493Courtesy of MERCEDES-BENZ USA