Electrical Function Schematic For Refueling Safety Detection - PE47.00-P-2051-97FBH
WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.
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 |