Front Air Suspension Strut 2123203238 | Mercedes-Benz E-Class W212 4MATIC Air Shock Absorber Our air suspension strut OE 2123203238 is a reliable aftermarket replacement air shock absorber designed exclusively for Mercedes-Benz E-Class W212 4MATIC models. This integrated assembly consists of hydraulic damper, reinforced air spring bellow, protective dust boot, aluminum housing and mounting base, equipped with electronic sensor to communicate seamlessly with the vehicle’s