The Bilstein B4 Series 22-164858 is a premium original equipment replacement gas-pressure shock absorber designed to restore the factory ride quality and stability of your Mercedes-Benz SLK-Class. Engineered with advanced Twintube technology, it provides consistent damping performance and excellent road grip. This product is sold as a single unit (1x Front Strut Assembly). Component details: Bilstein B4 Front Strut (MPN: 22-164858). Key features: OEM quality standards, high pressure gas technology, and direct bolt-on installation for vehicles without electronic suspension control.