2005 Mercedes S-Class Owner's Manual - Page 227

Controls in detail Driving systems The distance warning function on/off button and thumbwheel for setting distance are located on the lower part of the front center console. Increasing distance Increasing the distance setting causes Distronic to maintain a greater following distance to the vehicle ahead. Turn thumbwheel 2 towards ¯. Decreasing distance Decreasing the distance setting causes Distronic to maintain a shorter following distance to the vehicle ahead. Turn thumbwheel 2 towards ®. 1 Distance warning function on/off button 2 Thumbwheel for setting distance Distance warning function When Distronic is deactivated, this function will continue to warn you when recognizing a stationary obstacle or a slower vehicle moving in the vehicle's path and the danger of a collision exists: The distance warning lamp l in the instrument cluster comes on. An intermittent warning sounds. If these warnings are issued, you must brake manually to maintain a safe distance and avoid a collision with the vehicle ahead. When pressing the brake pedal, the warning sound stops. The warning sound also stops when the distance to the vehicle ahead is sufficient again without applying the brake pedal. In this case the distance warning lamp l also extinguishes. 225