Mercedes C350 CDI (W204) MAF Sensor Replacement — TUCKBOLD vs Bosch | OM642 Engine DIY Fix

In this video, I replace both MAF (Mass Air Flow) sensors on my Mercedes C350 CDI W204 with TUCKBOLD aftermarket units — a budget alternative to the OEM Bosch sensors. If your OM642 engine is idling low, running rough, or showing airflow error codes, this guide will walk you through the full process of how to replace the individual sensors. You’ll see: ✅ Symptoms of a failing MAF sensor ✅ Step-by-step replacement process ✅ Live data readings using the iCarsoft MB-III ✅ Comparison of TUCKBOLD vs Bosch performance ✅ Final results after reset and road test This detailed DIY guide will help anyone wondering if cheaper MAF sensors really work on the Mercedes OM642 engine and how to replace them easily at home. 🔧 Car: Mercedes-Benz C350 CDI (W204, OM642 Engine) 🧰 Parts: TUCKBOLD MAF Sensors (Replaces Bosch 0 281 006 401 / Mercedes A642 090 16 42) 📟 Tools: iCarsoft MB-3, Screwdriver, scalpel blade, Alcohol cleaner and Gorilla glue. 👍 If this video helps you, please like, subscribe, and share to support the channel!