This product is a mass air flow sensor designed specifically for Mercedes W211, W164, and W251 models with the OM642 engine, made between 2007 and 2013. The sensor is crucial for measuring the amount of air entering the engine, ensuring optimal fuel efficiency and performance. As a genuine replacement part, this product guarantees a perfect fit and reliable operation, helping maintain the overall functionality of the vehicle's air intake and fuel delivery system. Before purchase kindly go through the picture
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