2003 Mercedes S-Class Owner's Manual - Page 205

Controls in detail Driving systems Setting a lower speed Briefly tip the cruise control lever in the direction of arrow 2 ( page 203) to decrease vehicle speed in increments of 5 mph (Canada: 10 km/h) The new speed is set. The stored speed is displayed in the multifunction display for approximately five seconds ( page 203), and one or two segments around the stored speed light up on the speedometer ( page 201). Fine adjustment in 1 mph (Canada: 1 km/h) increments Faster Briefly tip the cruise control lever in the direction of arrow 4 ( page 203). Setting to last stored speed ("Resume" function) Warning! G The speed stored in memory should only be set again if prevailing road conditions permit. Possible acceleration or deceleration differences arising from returning to preset speed could cause an accident and/or serious injury you and others. i When you use the cruise control lever to decelerate, the transmission will automatically downshift if the rate of deceleration is too low. Briefly tip the cruise control lever in the direction of arrow 4 ( page 203). Distronic is set to the last stored speed. Remove your foot from the accelerator pedal. 205