Remove/Install Fuel Pump Control Unit - AR47.20-P-5717RF
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 177, 264, 274.9, 276.8, 642, 651.9, 654.9, 656 in Model 253
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Remove/install | |||
| 1 | Connect vehicle diagnosis system, read out variant coding from fuel system control unit (N118) and save data | When replacing the fuel pump control unit (N118). | |
| AD00.00-P-2000-04B | |||
| 2 | Switch off ignition and store transmitter key outside of transmission range (at least 2 m) | ||
| 3 | Remove seat cushion in the rear | AR91.12-P-1020LW | |
| 4 | Remove right rear door sill (1) | AR68.30-P-4100LW | |
| 5 | Remove right rear lower C-pillar trim | AR68.30-P-4490LWG | |
| 6 | Remove fuel system control unit (N118) from bracket | ||
| 7 | Release and disconnect electrical connectors at fuel system control unit (N118) | ||
| 8 | Remove fuel system control unit (N118) | ||
| 9 | Install in the reverse order | ||
| Risk of accident from vehicle starting off by itself when Engine running. Risk of injury (bruises and burns) resulting from working on the Engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | AS00.00-Z-0005-01A | |
| 10 | Perform an Engine test run and check Engine for proper function |