The Mercedes C CLS E S W204 W212 W218 W221 Mirror Glass is a high-quality, genuine Mercedes-Benz part designed specifically for heating and dimming functions on the left side of the vehicle. Made of durable plastic and manufactured in Germany, this mirror glass ensures a perfect fit and sleek gloss finish to enhance the overall exterior of your Mercedes. With OE/OEM part numbers 9250766001 and a3159447, as well as manufacturer part number A2128101821, you can trust that this product is designed to meet the highest standards of performance and quality for your Mercedes-Benz vehicle.