2008 Mercedes S-Class Owner's Manual - Page 422

Controls in detail Driving systems Remove your foot from the accelerator pedal. The cruise control is activated. The last set speed appears in the multifunction display for approximately 5 seconds. The corresponding speedometer segments from the selected speed to the vehicle maximum speed in the multifunction display are illuminated. The set speed is shown by a triangle in the speedometer. or Briefly push the cruise control lever in direction of arrow 3. The cruise control is canceled. The last speed set is stored for later use. Canceling cruise control There are several ways to cancel the cruise control: Step on the brake pedal. The cruise control is canceled. The last speed set is stored for later use. i The cruise control switches off automatically when you step on the brake pedal the vehicle is secured with the electronic parking brake In this case the segments in the multifunction display go out and no warning sounds. the vehicle speed is below 20 mph (30 km/h) the ESP® is in operation or switched off with the ESP® switch ( page 73) you set the automatic transmission to N while driving The segments in the multifunction display go out, An acoustic warning sounds and the message "Cruise control off" appears in the multifunction display for approximately 5 seconds. i The last stored set speed is deleted when the engine is turned off. i On uphill grades, the cruise control may not be able to maintain the set speed. Once the grade eases, the set speed will be resumed. On downhill grades, the cruise control maintains the set speed by braking with the vehicle's brake system. In addition, on longer downhill grades the automatic transmission will downshift automatically. ! Setting the automatic transmission to N while driving cancels the cruise control. However, the automatic transmission should not be set to N while driving except to coast when the vehicle is in danger of skidding (e.g. on icy roads). 421