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Wiring Diagram For Seat Heater Control Unit - PE91.30-P-2104-97DBB

Model 213 up to model year 2021 with code 902 (Seat heater Plus for driver and front passenger) Control unit N25/4 

Code: Designation: Position:
A0 Use of wiring diagrams 32L
Code 873 Seat heater for driver and front passenger 7F
Code 902 Seat heater Plus for driver and front passenger -
F1/3 Passenger-side A-pillar fuse box 4L
F1/3f306 Fuse 306 2L
N25/4 Front passenger seat heater control unit 4A
N25/4 Front passenger seat heater control unit 12A
N25/4 Front passenger seat heater control unit 20A
N32/2 Front passenger seat control unit 11L
R13/1 Left front seat cushion heater pad 15L
R13/1b1 Left front seat sitting surface heater pad temperature sensor 18L
R13/2 Left front seat backrest heater pad 21L
R13/2b1 Left front seat backrest heater pad temperature sensor 24L
R13/3 Right front seat cushion heater pad 15L
R13/3b1 Right front seat sitting surface heater pad temperature sensor 18L
R13/4 Right front seat backrest heater pad 21L
R13/4b1 Right front seat backrest heater pad temperature sensor 24L
U12 Valid for left-hand drive vehicles 14D
U12 Valid for left-hand drive vehicles 7F
U13 Valid for right-hand drive vehicles 14D
W19 Right front seat crossmember ground point 6L
W19 Right front seat crossmember ground point 8L
X28/30 Frame floor assembly/front passenger seat electrical connector 1E
X54/29 Driver seat heater feed electrical connector 14H
X54/30 Front passenger seat heater feed electrical connector 14H
X54/37 Left front seat backrest heater pad electrical connector 20H
X54/38 Right front seat backrest heater pad electrical connector 20H
Z505/11z1 Ground connection connector sleeve 23L
Z505/12z1 Ground connection connector sleeve 17L
G13775947Courtesy of MERCEDES-BENZ USA
G13775948Courtesy of MERCEDES-BENZ USA