Why is check engine light on 2007 c280 Mercedes?

There are many reasons why your check engine light might be on in your 2007 c280 Mercedes. Below are the most common culprits, but depending on how severe your issue is, you should seek mechanical diagnosis.

Some reasons include:

1. Oxygen sensor failure

2. Fuel system problems

3. Catalytic converter failure

4. Spark plug wires/coil packs

5. Mass airflow sensor (MAF) failure

6. Coolant temperature sensor issues

7. Emissions control systems