Mercedes Benz OM 642. During an Emission Test the Alternator Pulley decide he had enough and gave up this caused in destroying the serpintin belt, and that destroyed alot of other things.
![Mercedes Benz OM 642. During an Emission Test the Alternator Pulley decide he had enough and gave up this caused in destroying the serpintin belt, and that destroyed alot of other things.](https://preview.redd.it/mercedes-benz-om-642-during-an-emission-test-the-alternator-v0-ip7859rq0eda1.jpg?width=640&crop=smart&auto=webp&s=f598f3bbf5e88d8d72e5653e35c31a922adace17)
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Mercedes Benz OM 642. During an Emission Test the Alternator
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