Unity automotive has over 50 years of experience manufacturing parts in the aftermarket automotive industry. The company offers superior quality, specializing in making rock solid auto parts that withstand the test of time. With a true understanding of their marketplace they have become the industry leader in innovation of aftermarket suspension. Unity automotive delivers top of the line quality suspension parts made to insure a trouble-free installation and long-lasting reliability. The Replacement Shock absorber line offers a twin tube gas charged shock to be used as a direct replacement for your failing OE shocks.This Product Fits: 2007-2009 Mercedes-Benz R320, 2006-2013 Mercedes-Benz R350, 2006-2008 Mercedes-Benz R500 NOTE: Excludes Active Dampening Suspension (ADS)