Check engine light on c240

If the check engine light is on in your Mercedes-Benz C240, it indicates that the vehicle's onboard diagnostic system has detected an issue. Common causes can include problems with the engine, transmission, emissions system, or even minor issues like a loose gas cap. It's advisable to use an OBD-II scanner to retrieve the trouble codes, which can help identify the specific problem. If you're unsure, consulting a professional mechanic for a thorough diagnosis is recommended.