mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Engine - Rough Idle/Hesitation/Intake Manifold Popping|Page 1519 > < Engine - Rough Idle/Hesitation/Intake Manifold Popping|Page 1517
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Ignition Rotor: Testing and Inspection

Ignition Distributor

1. Remove the distributor cap retaining screws.
2. Remove the rotor.
3. Measure the resistance across the rotor resistor.  

Resistance should be: 1000 ±300 ohms

4. Replace as necessary.
5. Carfully inspect the surfaces of the rotor for possible hair line cracks or signs of burning. 

Engine - Rough Idle/Hesitation/Intake Manifold Popping|Page 1519 > < Engine - Rough Idle/Hesitation/Intake Manifold Popping|Page 1517