2007 Mercedes S-Class Owner's Manual - Page 404

Controls in detail Driving systems Active Body Control (ABC)* The ABC system automatically selects the optimum suspension tuning and ride height for your vehicle. The ABC system consists of an active, hydraulically controlled suspension and damping system. Vehicle level control with ABC* Your vehicle automatically adjusts its ride height to: reduce fuel consumption increase vehicle stability The vehicle chassis ride height is raised or lowered according to the selected level setting and to the vehicle speed: With increasing speed, ride height is reduced by up to approximately 0.6 in (15 mm). With decreasing speed, the ride height is again raised to the selected vehicle level. i These height adjustments are so small that you may not notice any change. Warning! G The following vehicle level settings can be selected when the vehicle is stationary: Level Normal Raised For driving on normal roads. The indicator lamp is off. For driving on rough roads or with snow chains. The indicator lamp is on. To help avoid personal injury, keep hands and feet away from wheel housing area, and stay away from under the vehicle when lowering the vehicle chassis. Select the "Raised" level setting only when required by current driving conditions. Otherwise: Fuel consumption may increase. Handling may be impaired. i The selected vehicle level setting remains stored in memory even if the engine is turned off and restarted. 403