2010 Mercedes E-Class Owner's Manual - Page 135

Driving systems when the necessary distance to the vehicle ahead is again established. responsibility to apply the brakes in order to control the vehicle and avoid a collision. 133 G Warning! An intermittent warning sounds and the distance warning lamp · in the instrument cluster is illuminated if the DISTRONIC PLUS system calculates that the distance to the vehicle ahead and your vehicle's current speed indicate that the DISTRONIC PLUS will not be capable of slowing the vehicle sufficiently to maintain the preset following distance, which creates a danger of a collision. Immediately brake the vehicle to increase your distance to the preceding vehicle. The warning sound is intended as a final caution in which you should intercede with your own braking inputs to avoid a potentially dangerous situation. Do not wait for the operation of the warning signal to intercede with your own braking. This will result in potentially dangerous emergency braking which will not always result in an impact being avoided. Tailgating increases the risk of an accident. Displaying the distance graphic In the DriveAssist menu under Distance Display you see the current settings for DISTRONIC PLUS. The Information shown in the multifunction display depends on whether DISTRONIC PLUS is activated or deactivated. For activating or deactivating the DISTRONIC PLUS system, see "Activating DISTRONIC PLUS" (Y page 134) or "Deactivating DISTRONIC PLUS" (Y page 138). The menu overview can be found on (Y page 114). X Press = or ; to select the DriveAssist menu. X Press : or 9 to select the Distance Display function. X Press a. The DISTRONIC PLUS distance graphic appears and you will see one of the following displays in the multifunction display. G Warning! The DISTRONIC PLUS brakes your vehicle with a maximum deceleration of 13 ft/s2 (4 m/s2). This corresponds to approximately 40% of the maximum deceleration of your vehicle. You must also apply the brakes yourself to avoid a collision. The DISTRONIC PLUS brakes the vehicle in an effort to restore the preset distance or to maintain the set speed. DISTRONIC PLUS activated If you switch on the DISTRONIC PLUS, you will see the set speed in the multifunction display for approximately 5 seconds. When the DISTRONIC PLUS is activated the following display appears in the multifunction display. G Warning! If you do not receive visual or acoustic warning signals during a critical traffic situation, DISTRONIC PLUS has either not recognized the collision risk, has been deactivated or is malfunctioning. Remember, whether or not DISTRONIC PLUS is operating, it is ultimately always the drivers : DISTRONIC PLUS activated ; Your vehicle Z Controls in detail