Relieve Fuel Pressure Using Diagnostic System - AR07.00-P-0003-01MFA
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2023 Mercedes-Benz CLA45 AMG, 2023 Mercedes-Benz CLA35 AMG, 2023 Mercedes-Benz CLA250, 2022 Mercedes-Benz CLA45 AMG, and 2022 Mercedes-Benz CLA35 AMG. However, it is still accessible from the selected car via links, so may be relevant.
Engine 139, 260, 282 in model 118, 177, 247
| 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 | |
| Connect/disconnect diagnostic unit | AD00.00-P-2000-06MFA | ||
| Connect/disconnect diagnostic unit | AD00.00-P-2000-06MFA |
- Connect diagnostic device, start XENTRY, and shut off the fuel pump.
To do this, select the following menu items:
→ ME-SFI control unit
→ Actuation
→ Actuate and shut off fuel pump.
- Connect exhaust gas hose.
- Start engine, operate at idle speed, and wait until the engine shuts off by itself.
Operate engine only at idle speed and do not increase engine speed by accelerating under any circumstances.
The fuel system may be damaged otherwise.
- Disconnect exhaust gas hose.
- Disconnect diagnostic unit.