What causes the check engine light to illuminate on your 2001 Mercedes slk 230 kompressor?

The check engine light on a 2001 Mercedes SLK 230 Kompressor can illuminate due to various issues, including problems with the engine's emissions system, faulty sensors (like the oxygen or mass airflow sensor), or issues with the fuel system. Other potential causes include a loose or damaged gas cap, ignition system problems, or engine misfires. To diagnose the exact cause, it's best to use an OBD-II scanner to read the trouble codes stored in the vehicle's computer. Addressing these issues promptly can help prevent further engine damage and maintain optimal performance.