Part number: MER-6460940048 is a new, unused Genuine Mercedes mass air flow sensor. Your mass air flow sensor measures the quantity of air entering your engine and works with your car's computer to optimize your engine's performance. If it is not working properly the result could include reduced fuel mileage, poor performance, failed emissions testing as well as a check engine light.
Genuine Mercedes parts are recommended by the factory for your Mercedes. You can expect replacement trim pieces to fit without issue, and suspension and engine parts will offer a greater life and better performance.
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