Enhance the performance of your Mercedes-Benz A class W177 with this Rear Shock Absorber. It is designed to provide 100% accuracy of fit and is easy to replace. The shock absorber is made of steel and is a gas type, with a universal fitment of left, right, and rear. It is compatible with the manufacturer part number A1773206303 and reference OE/OEM numbers Benz, A1773206303, and 801404008326. The shock absorber is a perfect fit for your vehicle and is not a universal performance part. Get your hands on this high-quality shock absorber to enhance the suspension of your car.