Electrical Function Schematic For On-Board Diagnosis - PE07.10-P-2720-97FBH
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 205.047/147/247
Engine 274.9 in model 253.353/953
Engine 274.9 in model 253.354/954
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Engine management diagnosis, communication | 12B |
| 1 | Engine management diagnosis, communication | 15C |
| 1 | Engine management diagnosis, communication | 10B |
| 1 | Engine management diagnosis, communication | 2D |
| 1 | Engine management diagnosis, communication | 7B |
| 1 | Engine management diagnosis, communication | 4B |
| 2 | Engine diagnosis indicator lamp, actuation | 12E |
| 2 | Engine diagnosis indicator lamp, actuation | 10B |
| 2 | Engine diagnosis indicator lamp, actuation | 4B |
| 3 | Circuit 87, status | 3F |
| 4 | Radiator sensor for engine diagnosis, status | 4E |
| 5 | Radiator sensor for engine diagnosis, request | 6E |
| A1 | Instrument cluster | 11F |
| B11/15 | Radiator sensor for engine diagnosis | 7E |
| CAN C1 | Drive train CAN | 3C |
| CAN D | Diagnostic CAN | 14C |
| CAN HMI | User interface CAN | 11D |
| Code 494 | USA version | 7D |
| Code 917 | PZEV emission USA | 7D |
| Flex E | Chassis FlexRay | 9C |
| K40/8 | Engine fuse and relay module | 2J |
| K40/8kN | Circuit 87M relay | 26 |
| LIN C1 | Drive train LIN | 5E |
| N127 | Drivetrain control unit | 6B |
| N3/10 | ME-SFI [ME] control unit | 2D |
| N73 | Electronic ignition switch control unit | 11B |
| X11/4 | Diagnostic connector | 15D |