2008 Mercedes R-Class Owner's Manual - Page 269

Controls in detail Driving systems Activating Distronic You can activate Distronic when the vehicle speed is between 20 mph (30 km/h) and 110 mph (180 km/h). When Distronic is activated the standard display in the multifunction display will show a message such as DISTRONIC 55 MPH. 1 Setting current or higher speed Adjustment in 1 mph increments (to the resistance point) or 5 mph increments (past the resistance point) (Canada: 1 km/h or 10 km/h) 2 Setting current or lower speed Adjustment in 1 mph increments (to the resistance point) or 5 mph increments (past the resistance point) (Canada: 1 km/h or 10 km/h) 3 Deactivating Distronic 4 Activating Distronic or resuming to last set speed If Distronic has not been activated after pressing the cruise control lever, you will see the message DISTRONIC Off in the multifunction display. In the following cases you cannot activate Distronic: up to 2 minutes after starting the engine when you brake when you have set the parking brake when the automatic transmission is set to position P, R, or N if the ESP® is switched off if the ESP® has switched off due to a malfunction Setting the current speed Accelerate or decelerate to the desired speed. Briefly lift the cruise control lever in direction of arrow 1 or depress in direction of arrow 2 ( page 268). Distronic is activated and the current speed is set. The currently set speed appears in the status indicator of the multifunction display. Remove your foot from the accelerator pedal. 268