2011 Mercedes E-Class Owner's Manual - Page 181

Driving systems becomes louder if you attempt to lock the vehicle. The vehicle is not locked until DISTRONIC PLUS is deactivated. 179 Setting in 5 mph (Canada: 10 km/h) increments X Storing the current speed or calling up a stored speed G Warning The set speed stored in memory should only be set again if prevailing road conditions and legal speed limits permit. Possible acceleration or deceleration differences arising from returning to the preset speed could cause an accident and/or serious injury to you and others. X Setting a 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. X Press the cruise control lever to the pressure point, up : for a higher speed or down ; for a lower speed. X Keep the cruise control lever pressed until the desired speed is reached. X Release the cruise control lever. The new speed is stored. DISTRONIC PLUS is activated and adjusts the vehicle's speed to the new speed stored. Briefly pull the cruise control lever towards you ?. X Remove your foot from the accelerator pedal. DISTRONIC PLUS is activated and adopts either the current speed or adjusts to the last speed stored when it is activated for the first time. Setting the specified minimum distance You can set the specified minimum distance for DISTRONIC PLUS by varying the time span between one and two seconds. With this function, you can set the minimum distance that DISTRONIC PLUS keeps to the vehicle in front, dependent on vehicle speed. You can see this distance in the multifunction display (Y page 180). Setting in 1 mph (Canada: 1 km/h) increments X G Warning! Briefly press the cruise control lever to the pressure point, up : for a higher speed or down ; for a lower speed. The last speed stored is increased or reduced. It is up to the driver to exercise discretion to select the appropriate setting given road conditions, traffic, driver's preferred driving style and applicable laws and driving recommendations for safe following distance. Z Driving and parking i If the engine has been switched off, it cannot be started again until DISTRONIC PLUS has been deactivated. If DISTRONIC PLUS is activated and a fault occurs in the system or if there is a disruption in the power supply, the message is shown in the multifunction display. Immediately depress the brake firmly until the warning message in the multifunction display goes out or shift the transmission to P. DISTRONIC PLUS is then deactivated. Briefly press the cruise control lever beyond the pressure point, up : for a higher speed or down ; for a lower speed. The last speed stored is increased or reduced.