2005 Mercedes SL-Class Owner's Manual - Page 222

Controls in detail Driving systems Active Body Control (ABC) The ABC system automatically selects the optimum suspension tuning and ride height for your vehicle. Suspension tuning The suspension tuning is set according to: Your driving style Road surface conditions The vehicle loading Your choice of suspension style, "sporty" or "regular", which you select using the ABC switch. The selected suspension style is stored in memory, even after the SmartKey is removed from the starter switch. 1 ABC switch 2 Indicator lamp Start the engine ( page 48). The ABC switch with the indicator lamp is located in the lower section of the center console. Suspension for sporty driving style The setting for sporty driving is selected when indicator lamp 2 is illuminated. Press switch 1. Indicator lamp 2 comes on. Suspension for regular driving style The setting for regular driving is selected when the indicator lamp 2 is off. Press switch 1. Indicator lamp 2 goes out. 220