This air flow sensor is compatible with Mercedes Benz models R129, C140, W140, W210, and S210. It is a mass flow meter type and was manufactured in China. The sensor is used and has the part number 0280217509. The item belongs to the categories of flow meters, flow controllers and meters, pump and flow controllers, hydraulics, pneumatics, pumps and plumbing, and is suitable for business and industrial use. Trust in the quality of this product and its compatibility with your Mercedes Benz model.