2003 Mercedes SL-Class Owner's Manual - Page 177

Controls in detail Driving systems Setting a lower speed Depress the cruise control lever to position 2 ( page 175) and hold it down until the desired speed is reached. Release the cruise control lever. The new speed is set. Fine adjustment in 5 mph (Canada: 10 km/h) increments Faster Briefly tip the cruise control lever in the direction of arrow 1 ( page 175). Slower Briefly tip the cruise control lever in the direction of arrow 2 ( page 175). Fine adjustment in 1 mph (Canada: 1 km/h) increments Faster Briefly tip the cruise control lever in the direction of arrow 4 ( page 175). or Pull and hold the cruise control lever in the direction of arrow 4 ( page 175) and hold it until you reach the desired speed. Resetting stored speeds Warning! G i When you use the cruise control lever to decelerate, the transmission will automatically downshift if the rate of deceleration is too low. The speed stored in memory should only be set again if prevailing road conditions permit. Possible acceleration or deceleration differences arising from returning to the preset speed could endanger yourself and others. Briefly tip the cruise control lever in the direction of arrow 4 ( page 175). Distronic is set to the last stored speed. Remove your foot from the accelerator pedal. 177