AS-3161 is a new, not remanufactured, Arnott air suspension strut for the front left side of the 2014-2021 Mercedes Benz S-Class/Maybach (W222) w/AIRMATIC and 4MATIC; without ABC and excluding AMG. This new assembly replaces your worn OE strut and features a new custom-tuned monotube Eibach shock absorber designed to provide a comfortable, yet responsive, ride. The Arnott strut includes a new Continental ContiTech multi-ply air spring sleeve and is assembled in the USA with Arnott's long-lasting seals, stamped steel top, CNC-machined base, heavy-duty crimping rings and a new airline fitting.Features: