CEL does not come on when the car is started
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2001 Mercedes CLK320
CEL does not come on when the car is started
I have a 2001 CLK320. In Ohio we have to have our cars e-checked once every two years for emission control. My car failed the test today because the CEL did not flash on when the key was turned to the start position. Anyone have any idea of why the light is not illuminating. The CEL was working 8 months ago when I replaced the MAF. I hate to just turn the car over to the dealership for them to diagnose.