The 2014 Mercedes-Benz W212 S212 Cooling Water Expansion Tank A2045000749 is a genuine part made by Mercedes-Benz in Germany. This top-quality coolant expansion tank is designed specifically for Mercedes-Benz vehicles, ensuring optimal performance and reliability. With its precise engineering and authentic German craftsmanship, this expansion tank provides a perfect fit and meets the highest standards of quality for your vehicle's cooling system.