2010 Mercedes GL-Class Owner's Manual - Page 153

Driving systems Rwhen the automatic transmission is in park 151 position P, reverse gear R, or neutral position N Rwhen the ESP® is switched off or has switched off due to a malfunction : Setting current or higher speed ; Setting current or lower speed = Deactivating the Distronic ? Activating the Distronic or resuming to Setting the current speed X the last set speed Activating Distronic You can activate the Distronic when the vehicle speed is between 20 mph (30 km/h) and 110 mph (180 km/h). When the Distronic is activated, one or two cruise control speed segments around the set speed in the speedometer dial are illuminated. The multifunction display will show a message such as DISTRONIC 55 MPH (Canada: DISTRONIC 90 km/h). After approximately 5 seconds the currently set speed appears in the status indicator of the multifunction display: RUSA Accelerate or decelerate to the desired speed. X Briefly lift the cruise control lever in direction of arrow : or depress in direction of arrow ; (Y page 151). X Remove your foot from the accelerator pedal. i If you do not take your foot off of the accelerator pedal and continue to accelerate past the set speed, the following message will appear in the multifunction display: DISTRONIC Override The distance to a slower moving vehicle in front of you will not be set. Your vehicle speed will then be determined only by the accelerator pedal position. 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. only: e.g. DTR 55 Miles only: e.g. DTR 90 km/h RCanada If the Distronic is not activated after the cruise control lever is pulled in direction of arrow ? (Y page 150), you will see the message DISTRONIC Off in the multifunction display. In the following cases you cannot activate the Distronic: Rup to 2 minutes after starting the engine you brake you have engaged the parking brake Rwhen Rwhen You can increase or decrease the set speed in 1 mph (Canada: 1 km/h) increments or in 5 mph (Canada: 10 km/h) increments. Z Controls in detail The vehicle speed displayed on the speedometer can briefly vary from the speed setting on the Distronic system.