AST Suspension Lowering Springs (40mm/40mm TUV) - 2003-2010 Mercedes-Benz Viano (W639)

The AST Suspension Lowering Springs for the 2003-2010 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 engineered for durability and consistent performance. Each spring undergoes a meticulous manufacturing process, including cold winding, heat treatment to enhance hardness and minimize internal stresses, and individual shot peening. The phosphate coating and powder coating finish provide superior corrosion resistance, ensuring longevity beyond the vehicle's lifespan. These progressive-rate springs improve handling, stability, and aesthetics by lowering the center of gravity, resulting in a more aggressive stance and improved road feel.

Designed specifically for the W639 chassis, these springs are compatible with 2003-2010 Mercedes-Benz Viano models. They serve as a direct replacement for factory springs, offering a performance upgrade suitable for street and light performance driving. Installation is straightforward, with the springs fitting seamlessly into the existing suspension setup. The kit includes the lowering springs only, requiring no additional components for installation. Ideal for owners seeking a lowered stance and enhanced driving dynamics, these springs provide a durable, high-quality upgrade that maintains ride comfort while delivering improved handling characteristics.