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

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

Asked by for the 2006 Mercedes-Benz C230
Learn about this topic reading this article in the RepairPal Encyclopedia: Check Engine Light: What It Means and What to Do (
1 more answer
the no count gas we have today has a lot to do to make the light come on