My check engine light is on.
Mercedes-Benz Q&AAsk Your Question
2005 Mercedes-Benz CLK500 Question: What should i do if my check engine light is on?
Answer #1milesauto from Miles Auto Service Inc., April 06, 2012, 06:32Master
It means the onboard computer sees a problem with many differant possiblities. Usally a emission standard issue. If you have a shop you deal with for service that would where I would recommend you take it first. If you don't know where to take it get recommendations from coworkers, or friends.