A2726 NEW Position: Rear Product Description Arnott Air Springs are engineered in our Research and Development Center and then undergo extensive lab and vehicle road-testing to assure product standards and quality. Arnott springs feature state-of-the art, multi-ply air sleeves manufactured by industry-leading rubber companies such as ContiTech and Goodyear. Arnott springs are assembled, tested, and packaged in Arnott�s American and EU facilities using ISO-certified quality management principles. Arnott Air Springs last longer, are easier to install, and provide unparalleled ride comfort and durability. Exclusively for Mercedes-Benz E-Class/E AMG (W211) Wagons Fits REAR RT/LT Multi-ply Goodyear air sleeve Heavy-duty crimping rings Custom-designed tapered piston for comfortable ride for Mercedes wagons with rear air suspension only. Mercedes wagons with front and rear air suspension require Arnott�Part A-2724 NOTE: If replacing an OE unit with a Arnott air spring A-2726, you MUST replace both rear air springs at the same time.