2010 Mercedes GLK-Class Owner's Manual - Page 171
2010 Mercedes GLK-Class Manual
Page 171 highlights
Driving systems changes in tire traction can result in wheel spin and loss of control. RDeactivate 169 Setting current speed X the cruise control when driving in fog. The "Resume" function should only be operated if the driver is fully aware of the previously set speed and wishes to resume this particular preset speed. G Warning! The cruise control brakes automatically so that the set speed is not exceeded. 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. Canceling cruise control X Depress the brake pedal. or : Setting current or higher speed ; Setting current or lower speed = Canceling the cruise control ? Activating the cruise control or resuming X to last set speed Activating cruise control You can activate the cruise control at a vehicle speed above 20 mph (30 km/h). You cannot activate the cruise control Rwhen Rwhen you brake you have engaged the parking brake 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. 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 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 Z 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 due to a malfunction The vehicle speed displayed in the speedometer can briefly vary from the speed setting for the cruise control system. Ryou Controls in detail Accelerate or decelerate to the desired speed. X Briefly lift the cruise control lever in direction of arrow : or press in direction of arrow ;. X Remove your foot from the accelerator pedal.