AS-3088 is an Arnott engineered aftermarket air suspension strut for the front left or right side of the 2007-2012 Mercedes-Benz GL-Class SUV w/AIRMATIC and ADS (Active Damping System) and 2006-2011 Mercedes-Benz ML-Class SUV w/AIRMATIC, Excluding AMG models. This new, not remanufactured, strut features a premium Eibach damper, precisely tuned to provide an excellent ride. The Arnott strut includes a new multi-ply, cross-axis, air sleeve from ContiTech along with a steel top mount. This new air strut is assembled in the USA with Tier 1 quality components including O-rings, bump stop, heavy-duty crimping rings and 4mm air fitting. This universal air strut fits the left or right side of the vehicle and is backed by Arnott's industry leading warranty.