Mercedes C230 Fault Codes P2193, P2263, P3539 - Power Loss and MAF Sensor Issues

Model: C230 Fault Code: P2193 Posted: 2016-07-14 16:42

I'm experiencing sudden power loss in my Mercedes C230, with diagnostic trouble codes P2193, P2260, and P3539. After replacing the Mass Air Flow (MAF) sensor twice, the issue persists—even when the MAF is disconnected, the vehicle still loses power and the check engine light flickers on and off. The car runs more smoothly in cooler outdoor temperatures, which suggests a temperature-related performance issue. I suspect the catalytic converter might be faulty, but I'm not certain. Can anyone confirm if these codes point to a catalytic converter problem or another underlying cause? Any insights or troubleshooting steps would be greatly appreciated.