2004 Mercedes CL-Class Owner's Manual - Page 212

Controls in detail Driving systems Vehicle level control Your vehicle automatically adjusts its ride height to reduce fuel consumption increase vehicle safety 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 0.95 in (24 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. Select the level 1 and 2 settings only when required by current driving conditions. Otherwise Fuel consumption may increase Handling may be impaired Warning! G 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. 211