The Bilstein B12 (Pro-Kit) suspension kit for 1998–2004 Mercedes-Benz SLK320 applications combines Bilstein B8 Performance Plus dampers with Eibach Pro-Kit springs in a complete front-and-rear replacement. Tuned per application, it offers moderate lowering of roughly 24–40mm and progressive spring characteristics that improve response, handling balance and predictable control while maintaining ride comfort suitable for daily driving.
Bilstein B12 98-04 Mercedes-Benz SLK320 Base Front and Rear Suspension Kit