AST Suspension Lowering Springs (40mm/40mm TUV) - 2010-2014 Mercedes-Benz Viano (W639)

The AST Suspension Lowering Springs for the 2010-2014 Mercedes-Benz Viano (W639) are high-performance coil springs designed to reduce ride height by 40mm. Crafted from premium high tensile chromium-silicone wire, these springs are selected for their strength and metal consistency by AST engineers. Each spring undergoes a meticulous manufacturing process, including cold winding, heat treatment to enhance hardness and minimize internal stresses, and individual shot peening. The springs are then phosphate treated and powder coated to ensure durability and corrosion resistance, providing long-lasting performance. These springs offer progressive rates on most vehicles, improving handling, stability, and aesthetics while maintaining ride comfort.

Designed specifically for the W639 Viano model years 2010 through 2014, these lowering springs serve as a direct replacement upgrade for the factory suspension components. They are intended for street use, offering improved stance and handling without compromising ride quality. Installation is straightforward as bolt-on components, compatible with the original suspension setup. The kit includes the set of lowering springs, with no additional components required. Suitable for enthusiasts seeking a performance upgrade, these springs enhance vehicle appearance and handling characteristics for daily driving or spirited driving on paved roads.