Automatic Level Control: Description

The 300TD rear suspension uses an automatic leveling system. The system contains a hydraulic pump, reservoir, leveling valve, pressure reservoir and special combination shock absorber/suspension struts.

The leveling valve lever, which is connected to the torsion bar, has 3 position: neutral, filling and return flow. This positioning of the leveling valve lever, due to the load in vehicle, controls amount of fluid in the special shock absorber which raises or lowers rear of vehicle to maintain a level attitude.