2010 Mercedes GL-Class Owner's Manual - Page 159
2010 Mercedes GL-Class Manual
Page 159 highlights
Driving systems G Warning! Switching off the DSR X Press DSR switch :. Indicator lamp ; goes out. The message DSR Off appears in the multifunction display. 157 If the accelerator pedal is depressed while the Downhill Speed Regulation (DSR) is activated, the vehicle can drive faster than the programmed set speed. You should therefore drive downhill with particular caution as it could otherwise lead to an accident and/or serious injury to you or others. Keep in mind that as soon as you remove your foot from the accelerator pedal with the DSR switched on, the DSR will start regulating the vehicle's speed including use of brakes if required. Depending on the programmed set speed, actual vehicle speed and gradient, the DSR can cause the vehicle to slow down rapidly. Sudden and unexpected deceleration can result in loss of vehicle control, causing an accident and/or serious personal injury to you and others. Adjusting the DSR speed With the DSR switched on (Y page 157), the speed setting can be changed using the cruise control lever. Switching on the DSR The DSR can only be switched on if the vehicle speed is below 20 mph (Canada: 30 km/h). X Press DSR switch :. Indicator lamp ; comes on. The message DSR and the set speed appear in the multifunction display. Cruise control lever i If the DSR is switched on at a speed above 20 mph (Canada: 30 km/h), the message DSR Max. Speed 20 MPH (Canada: 30 km/h) appears in the multifunction display. For information on how to program the set speed while driving, see "Adjusting the DSR speed" (Y page 157). You can change the set speed between 3-10 mph (Canada: 4-18 km/h). You can increase or reduce the set speed in two ways. Adjustment in 1 mph (Canada: 1 km/h) increments i The set value is increased or decreased in 1 mph (Canada: 1 km/h) increments each time you lift or depress the cruise control lever to the resistance point. Z Controls in detail i At a speed above approximately 21 mph (Canada approximately: 35 km/h), the DSR is automatically switched off. The message DSR Off appears in the multifunction display and an acoustic signal sounds. For information on how to switch the DSR on again, see "Switching on the DSR" (Y page 157).