Possible causes of check engine light on 2006 Mercedes-Benz C230

Whar are teh probable causes whenI see the "Check Engine" is on

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2 answers
the no count gas we have today has a lot to do to make the light come on
Learn about this topic reading this article in the RepairPal Encyclopedia: Check Engine Light: What It Means and What to Do (http://repairpal.com/check-engine-light)