Mercedes Benz E Class (W211 RWD) 2002-2009 - 500 Series Coilovers Spring Upgrade:Swift Springs (Front Only) if you have other custom

if you have other custom spring rate preferences

Dust boots help prevent foreign particles from entering the piston assembly

High Flow Digressive Piston Technology™

Extra springs allow to fine tune your setup

Mercedes Benz E Class (W211 RWD) 2002-2009 - 500 Series Coilovers Spring Upgrade:Swift Springs (Front Only) if you have other customCUSTOM. MODULAR. REBUILDABLE. Fortune Auto engineers are consistently chasing improvement and the development of the Generation 8 500 series damper is no exception. The 500 Series single adjustable coilover is the entry into the Fortune Auto verse. Utilizing the highly advanced, High Flow Digressive Piston to optimize the perfect balance between performance and comfort along with the ability to upgrade and rebuild; youll never have to buy coilovers