Bilstein B12 Series Pro Kit Lowering Kits Bilstein B12 1999 Mercedes Benz C230 Kompressor Front and Rear NeedsWings Performance Products. Bilstein B12 (Pro Kit) Suspension Kit B12 Bilstein PRO KIT. Bilstein B12 (Special) suspension kits are designed to alter the vehicles ride height for optimum performance. Utilizing various different technologies to achieve the optimum ride height for a specific requirement. This adjustable height spring kit converts the OE dampers to a threaded body coilover system. Bilstein B12 (Special) suspension kits provide the perfect combination of suspension dynamics, quality and aesthetics. Features: Springs feature blue finish Adjustable Height Spring Kit Front Lowered Height: 5 25mm, Rear Lowered Height: 10 20mm For use with O. E. dampers Converts vehicle to threaded body coilover system Limited lifetime warranty Fits: Mercedes Benz C63 AMG 2019 2016, C63 AMG S 2019 2015