AST 5100 Series Coilovers | MB G-Class W461/463 Stock Height (89-18) (ACS-M7001S)The 5100 Series shock absorbers for the 1989 2018 Mercedes Benz G Class Stock Height (W461 463) utilize inverted upside down technology. The inverted design is race proven technology and produces an extremely strong damper, providing better suspension geometry under heavy lateral and braking loads as seen in a road and track environment. The 5100 Series shock absorbers give your car a better performance than the standard twin tube design. With the