Remove/Install ME-SFI/Injection System Control Unit - AR07.08-P-7008MRA
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
Engine 274.9 in model 253
Shown on engine 274.9 in model 205 (except 205.047/147/247)
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Remove/install | |||
| 1 |
Start control unit replacement with diagnostic system | When replacing the ME-SFI [ME] control unit (N3/10). | AD00.00-P-2000-04B |
| 2 | Switch off ignition and store transmitter key outside of transmission range (min. 2 m) | ||
| 3 | Release and disconnect vehicle wiring harness (1) on ME-SFI [ME] control unit (N3/10) | ||
| 4 | Release and disconnect engine wiring harness (2) on ME-SFI [ME] control unit (N3/10) | ||
| 5 | Open retaining clamps and remove ME-SFI [ME] control unit (N3/10) | ||
| Check | |||
| 6 | Check bracket for ME-SFI [ME] control unit (N3/10) for damage and replace if necessary | ||
| 7 | Install in the reverse order | ||
| 8 |
Read out and erase fault memory | AD00.00-P-2000-04B | |
| 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 buttoned-up and snug-fitting work clothes. Do not touch hot or rotating parts. | AS00.00-Z-0005-01A | |
| 9 | Perform an engine test run and check engine for proper function |