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Function Schematic Of Electrical System For Steering Wheel Heater - PE46.11-P-2050-97BBE

MODEL 453.091/391/491 with CODE 443 (Heated steering wheel) with CODE U14 (Climate package) 

Code: Designation: Position:
1 Circuit 30. status 23F
10 Available energy, status 7E
10 Available energy, status 14H
10 Available energy, status 8H
11 Vehicle preheating, request 13H
11 Vehicle preheating, request 7H
11 Vehicle preheating, request 6G
11 Vehicle preheating, request 2J
11 Vehicle preheating, request 2G
11 Vehicle preheating, request 3C
11 Vehicle preheating, request 5D
11 Vehicle preheating, request 7F
12 Enable vehicle preheating, signal 13H
13 Vehicle preheating, status 8G
13 Vehicle preheating, status 8E
13 Vehicle preheating, status 6E
13 Vehicle preheating, status 4G
13 Vehicle preheating, status 6K
13 Vehicle preheating, status 7J
14 Multifunction display, actuation 7B
15 Seat heater status indication, signal 19J
16 Energy saving, request 12H
2 Circuit 15, signal 9C
3 Steering wheel heater relay, actuation 20G
4 Terminal 15g, signal 14E
4 Terminal 15g, signal 14G
5 Terminal 30g, signal 17E
5 Terminal 30g, signal 20F
6 Seat heater button, status 17H
8 Steering wheel heater, actuation 18D
9 Temperature sensor, signal 16D
A1 Instrument cluster 7C
A1p13 Multifunction display 7A
A45/1 Steering wheel clock spring contact 3D
A45/1 Steering wheel clock spring contact 18E
CAN B Interior CAN 4F
CAN B Interior CAN 4L
CAN B Interior CAN 11H
CAN B Interior CAN 5H
CAN B Interior CAN 7F
CAN B Interior CAN 7J
CAN EL Electric drive system CAN 10K
F2 Vehicle interior fuse and relay module 10D
F2k7 Steering wheel heater relay 23G
N10/10 Center SAM control unit 2G
N112/2 Telematics services communication module 7K
N127 Electric drive control unit 7G
N22/1 Climate control unit 15G
N82/2 Battery management system control unit 12K
R22/4 Steering wheel heater 21A
R22/4b1 Steering wheel heater temperature sensor 15B
R22/4n1 Steering wheel heater control electronics 15D
R22/4r1 Steering wheel heater heating element 18D
S110 Left multifunction steering wheel button group 1A
S2 Ignition lock 10A
S51/1 Left front seat heater switch 18J
G12095012Courtesy of MERCEDES-BENZ USA
G12095013Courtesy of MERCEDES-BENZ USA