2011 Mercedes SL-Class Owner's Manual - Page 134

132 Driving systems 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. Changing the set speed G Warning! Keep in mind that it may take a brief moment until the vehicle has made the necessary adjustments. Increase or decrease the set vehicle speed to a value that the prevailing road conditions and legal speed limits permit. Otherwise, sudden and unexpected acceleration or deceleration of the vehicle could cause an accident and/ or serious injury to you and others. Controls in detail Canceling cruise control X Depress the brake pedal. or X Briefly push the cruise control lever in direction of arrow =. The last set speed is stored for later use. The last stored speed is deleted from memory when the engine is turned off. The cruise control switches off automatically when you depress the brake pedal or you engage the parking brake. The cruise control also switches off automatically when Rthe Rthe Rthe Rthe vehicle speed falls below 20 mph (30 km/h) ESP® is in operation ESP® is switched off with the ESP® switch ESP® has switched off due to a malfunction shift the automatic transmission into neutral position N while driving When you use the cruise control lever to decelerate, the brake system will brake the vehicle automatically if the engine's braking power does not brake the vehicle sufficiently. X Increasing: Lift the cruise control lever in direction of arrow : and hold it up until the desired speed is reached. X Decreasing: Press the cruise control lever in direction of arrow ; and hold it down until the desired speed is reached. X Release the cruise control lever. The new speed is set and the vehicle will accelerate or decelerate. Fine adjustment in 1 mph (Canada: 1 km/h) increments X Increasing: Briefly tip the cruise control lever in direction of arrow :. X Decreasing: Briefly tip the cruise control lever in direction of arrow ;. Ryou An acoustic warning will sound. Observe additional messages in the multifunction display that may appear. Depressing the accelerator pedal does not deactivate the cruise control. After a brief acceleration (e.g. for passing), the cruise control will resume the last set speed. Setting stored speed (Resume function) G Warning! The set speed stored in memory should only be set again if prevailing road conditions and legal speed limits permit. Possible acceleration or deceleration differences arising from returning to the preset speed could cause an accident and/or serious injury to you and others.