Aerosus air suspension struts replace the original air strut of your vehicle & offer you maximum ride comfort with high durability. Security, accuracy & quality of the product match the original part. This brand new front air suspension strut fits left side of Mercedes-Benz CLS (C219) vehicles with ADS (Adaptive Damping System). Aerosus air struts are made from high-quality materials & are covered by a 2-year limited warranty & a 30-day money-back guarantee. Each air suspension strut comes complete with air spring & shock absorber as well as the new electromagnetic control valve. All our strut modules are new, high-performance parts. Our air struts are designed for superior ride quality by adjusting quickly to different road & vehicle conditions, while offering ultimate safety & functionality. All Aerosus suspension products offer you the ultimate driving experience. Features OE-quality air suspension strut Security & durability Maximum ride comfort Adjustable to different road & vehicle conditions Safe load carrying capacity & stability Ready to install Electromagnetic control valve Thousands of satisfied customers worldwide