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.
2002 Mercedes Benz ML55FACTORY OEM SERVICE PROCEDURE
Ignition Coil
IGNITION COIL RESISTANCE - Ohms @ 68°F (20°C)
| Engine | Primary | Secondary | ||||||
|---|---|---|---|---|---|---|---|---|
| 2.3L 4-Cylinder | (1) | (1) | ||||||
| 2.6L & 3.2L V6 | .9-1.6 ohms (2) | (1) | ||||||
| 4.3L, 5.0L & 5.5L V8 | .9-1.6 ohms (2) | (1) | ||||||
| 5.8L V12 | .9-1.4 ohms (3) | (1) | ||||||
| 6.0L V12 | (1) | (1) | ||||||
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Factory Service Tools
Use the Manual With the Right Hardware
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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.