2009 Mercedes CLK-Class Owner's Manual - Page 175

Controls in detail Driving systems You cannot activate the cruise control: Rwhen Rwhen you brake you have engaged the parking brake X vehicle's brake system. In addition, on longer downhill grades the automatic transmission will downshift automatically. Rthe ESP® has switched off due to a malfunction shift the automatic transmission into neutral position N while driving Ryou Rwhen the automatic transmission is in park position P, reverse gear R, or neutral position N Rthe ESP® is switched off or has switched off Canceling cruise control Depress the brake pedal. or X due to a malfunction The vehicle speed displayed in the speedometer can briefly vary from the speed setting for the cruise control system. Setting current speed X Accelerate or decelerate to the desired speed. X Briefly lift the cruise control lever in direction of arrow 1 or press in direction of arrow 2. X Remove your foot from the accelerator pedal. Briefly push the cruise control lever in direction of arrow 3. 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. In this case, the cruise control speed segments in the multifunction display will go out. The cruise control also switches off automatically when Rthe Rthe Rthe The cruise control speed segments in the multifunction display goes out and 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. 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. Z vehicle speed falls below 20 mph (30 km/h) ESP® is in operation ESP® is switched off with the ESP® switch i On uphill or downhill 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 173