The Rein W203/R171 Center Support Kit - 474138 is a comprehensive set of products designed for use in a car. This kit is specifically made for the W203 and R171 models and includes various components to support the center of the vehicle. The contents of the kit include a center support bearing, a center support bracket, a center support bushing, a center support nut, and a center support bolt. These components are essential for maintaining the stability and balance of the car's drivetrain, especially during acceleration and deceleration. This kit is a convenient and cost-effective solution for replacing worn or damaged center support components in a car.