AS-2833 is a new, not remanufactured, Arnott air suspension strut for the front left or right of the 2006-2013 Mercedes-Benz R-Class (W251 Chassis) with AIRMATIC and 4 Corner Leveling. This new assembly replaces your worn OE strut and features a new custom-tuned shock absorber designed to provide a comfortable yet responsive ride. The Arnott strut includes a new multi-ply air bladder from ContiTech and is assembled in the USA with Arnott's long lasting seals, stamped steel top cap and CNC-machined base, bump stop, heavy duty crimping rings, and new air fitting.