Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2008 Mercedes Benz ML320FACTORY OEM SERVICE PROCEDURE
DTC Index - Engine Controls (CDI4) - Engine 642: Application
ENGINE CONTROLS APPLICATION (CDI4 ENGINE 642)
| Model | Chassis Code | Engine Code | Model Year | Control Module |
|---|---|---|---|---|
| GL320 CDI | 164.822 | 642.940 | 2007 | CDI4 |
| GL320 CDI | 164.822 | 642.940 | 2008 | CDI4 |
| ML320 CDI 4M | 164.122 | 642.940 | 2007 | CDI4 |
| ML320 CDI 4M | 164.122 | 642.940 | 2008 | CDI4 |
| R320 CDI 4M | 251.122 | 642.950 | 2007 | CDI4 |
| R320 CDI 4M | 251.122 | 642.950 | 2008 | CDI4 |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.