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Yellow Speed Pro Sport Digressive Coilovers for 2000-2006 Mercedes S-Class RWD 8cyl AMG (W220) Cougar Super Sport Springs for yourYellow Speed Racing Pro Sport Digressive Coilovers for the 2000 2006 Mercedes S Class RWD (W220) are engineered to deliver exceptional handling performance with a refined balance of ride comfort. Utilizing advanced DPS Digressive (Dynamic Pro Sport Digressive) valving technology, this system provides increased damping force at low shaft speeds for improved control, while allowing greater compliance over bumps and rough roads. The Dynamic Pro Sport