The Mercedes S550 W221 Fuel Tank Filler Cap OEM is a black plastic cap designed specifically for model years 2007-2017. It is a genuine part made by Mercedes-Benz in Germany, ensuring durability and quality. The cap comes with a 1-month manufacturer warranty and does not require any drilling or modifications for installation. Perfect for replacing a worn-out or damaged fuel tank cap on your Mercedes, this OEM part ensures a seamless fit and functionality.