2006 Mercedes SL-Class Owner's Manual - Page 221

Controls in detail Driving systems Vehicle level control Warning! Your vehicle automatically adjusts its ride height to: i These height adjustments are so small that you may not notice any change. Select the level 1 and level 2 settings only when required by current driving conditions. Otherwise: Fuel consumption may increase. Handling may be impaired. G increase vehicle safety reduce fuel consumption 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 1 inch (25 mm). With decreasing speed, the ride height is again raised to the selected vehicle level. 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. 220