Level Control System
- To refill hydraulic system, shock absorber must be installed in vehicle. With shock absorber installed in vehicle, connect level controller linkage at rear axle.
- Fill level control system reservoir with NEW hydraulic fluid or clean hydraulic fluid previously drained from system. Level control system reservoir is located in engine compartment. Set level controller arm to "Fill" position. See Fig 1.
- Start and run engine at approximately 2500 RPM for 60 seconds. Turn engine off. Set level controller arm to "Empty" position. After approximately 60 seconds, attach linkage to level controller arm.
- Place vehicle on ground and push down on rear of vehicle several time. Level controller will adjust itself automatically. Check and adjust oil level in level controller reservoir.
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.