AS-3895 is a new, Arnott engineered, aftermarket air suspension strut for the front left hand side of the 2011-2017 mercedes-Benz CLS-Class (W218 chassis) with Airmatic, without 4Matic. This new assembly features a model specific shock absorber and air spring, designed to improve ride comfort and handling. The Arnott strut is built with Tier 1 components including a premium multi-layer cross-corded continental ContiTech air sleeve protected by a dust cover. This new air strut is designed and assembled in the USA with a machined aluminum top mount, O-rings, polyurethane bump stop, heavy-duty crimping rings, & new air line fitting