2002 Mercedes Benz ML320FACTORY OEM SERVICE PROCEDURE

Ignition Coil

IGNITION COIL RESISTANCE - Ohms @ 68Β°F (20Β°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)
(1) Information is not available from manufacturer.
(2) Resistance value of both primary circuits. Resistance of primary winding A or B individually is approximately .6 ohms.
(3) Resistance value of both primary circuits. Resistance of primary winding A or B individually is approximately .5-.7 ohms.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.