Bilstein B4 OE Replacement (DampMatic) dampers are designed to replace the original units found on certain Mercedes-Benz models. Bilstein B4 OE Replacement (DampMatic) dampers feature self-adjusting damping control and are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. Thes e dampers are the ideal choice for the driver looking to restore the original performance and handling of their vehicle, with the added benefit of world-famous Bilstein quality.