This windshield washer tank is a high-quality product made by Mercedes-Benz. It comes with mounting hardware and is made of durable plastic material. The tank fits perfectly on the front of the 03-09 W211 E Class E500, E350, and E550 models. This reservoir has a universal fitment and is easy to install. It has high-temperature resistance and is also compact. The product comes with a manufacturer warranty of 6 months. Buy with confidence knowing you are getting a genuine OEM part from Germany.