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 Elite Suspension Air Shock Replacement Line powered by Unity is an ideal solution to worn, leaky air shocks. Replace your worn air shocks while using existing suspension components to minimize your repair time. The direct fit also allows Elite’s air shocks to work flawlessly with your OE suspension, providing a smooth comfortable ride.2007-2009 Mercedes-Benz GL320, 2010-2012 Mercedes-Benz GL350, 2007-2009 Mercedes-Benz ML320, 2006-2011 Mercedes-Benz ML350, 2010-2011 Mercedes-Benz ML450, 2006-2007 Mercedes-Benz ML500, 2008-2011 Mercedes-Benz ML550 NOTE: Models with Active Dampening Suspension (ADS)