Adaptive Damping Suspension (Ads) Or Self-Leveling Suspension

WARNING: This page is about a different car, the 1994 Mercedes-Benz E500, 1994 Mercedes-Benz E420, and 1994 Mercedes-Benz E320. However, it is still accessible from the selected car via links, so may be relevant.

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 ADS reservoir with hydraulic fluid drained from bleeder valve.
ADS reservoir is located in engine compartment. Place approximately 265 lbs. of weight in trunk. Start and run engine at approximately 2500 RPM for 30 seconds. Turn engine off. Check and adjust ADS reservoir fluid level.