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Electrical Function Schematic For Refueling Safety Detection - PE47.00-P-2051-97FBH

Engine 274.9 in Model 205.047/053/054/147/247/253 with code 494 (US version) 

Engine 274.9 in Model 253.353/354/953/954 with code 494 (US version) 

Code: Designation: Position:
1 Internal fuel tank pressure, signal 2E
10 Fuel tank ventilated, status 6E
10 Fuel tank ventilated, status 12E
10 Fuel tank ventilated, status 13D
11 Fuel vapor shutoff valve, actuation 4H
2 Ventilate fuel tank, actuation 2H
3 Tank cap central locking actuator, status 12J
3 Tank cap central locking actuator, status 13G
3 Tank cap central locking actuator, status 3E
3 Tank cap central locking actuator, status 9E
3 Tank cap central locking actuator, status 13C
4 Tank cap central locking actuator, actuation 10J
5 Refueling safety detection switch, status 12B
6 Refueling safety detection switch LED, actuation 10B
7 Unlock fuel filler flap, request 13J
7 Unlock fuel filler flap, request 6E
7 Unlock fuel filler flap, request 12E
8 Fuel filler flap open, status 13G
8 Fuel filler flap open, status 4E
8 Fuel filler flap open, status 9E
9 Ventilate fuel tank, request 4E
9 Ventilate fuel tank, request 10E
9 Ventilate fuel tank, request 13E
B4/48 Fuel tank pressure sensor 1 2A
B4/49 Fuel tank pressure sensor 2 2B
CAN B Interior CAN 13H
CAN B Interior CAN 13D
CAN C Engine CAN 5F
Flex E Chassis FlexRay 11F
M14/10 Tank cap central locking actuator 9K
N10/8 Rear SAM control unit 12J
N127 Drivetrain control unit 8E
N3/10 ME-SFI [ME] control unit 2E
N69/1 Left front door control unit 13A
N73 Electronic ignition switch control unit 13E
S62/20 Refueling safety detection switch 9B
Y58/5 Fuel tank shutoff valve 2J
Y75/1 Fuel vapor shutoff valve 4H
G12819906Courtesy of MERCEDES-BENZ USA