The Bilstein B4 Series 22-215833 is a premium gas-pressure front strut assembly designed to restore the original ride quality and handling performance of your Mercedes-Benz. As a twin-tube strut, it offers smooth operation and consistent damping under various road conditions. This product is engineered to meet or exceed OEM standards, ensuring a perfect fit and long-lasting durability. Please note: This is a single unit (1pc) front suspension strut. To ensure balanced handling, it is highly recommended to replace struts in pairs. Kit contents per unit: 1x Front Shock Strut (Part No: 22-215833), 1x Mounting Nut.