Airmatic Air Supply Compressor. 1 Air Suspension Compressor, 1 Relay. 2008 – 2012 Mercedes-Benz GL550. Fitment Type: Direct Replacement / Gas Charged. ShockMasters is not only the #1 eCommerce store for vehicle suspension for many makes and models, but offers the best prices you can find online! Other stores offer tons of different products; we are focused only on suspension parts, making it easier to find parts you need at a price you can afford. If you have any questions, or just want a reliable part at an unbeatable price, ShockMasters is the store for you. The item “Airmatic Suspension Air Compressor Pump X164 for 2008-2012 Mercedes GL550″ is in sale since Friday, January 5, 2018. This item is in the category “eBay Motors\Parts & Accessories\Car & Truck Parts\Suspension & Steering\Shocks & Struts”. The seller is “shock*masters” and is located in Pompano Beach, Florida. This item can be shipped to United States, Canada.