2010 Mercedes S-Class Owner's Manual - Page 338

336 Driving systems Below 20 mph (30 km/h), you can only switch on the DISTRONIC PLUS if the preceding vehicle has been detected and is shown in the multifunction display. If you no longer see the preceding vehicle in the multifunction display and if it is no longer detected because it has changed lanes, for example, the DISTRONIC PLUS switches off and a signal sounds. X Pull the DISTRONIC PLUS lever briefly in direction of arrow ? to call up the last set speed, or if no speed is stored, to set and store the current speed. The DISTRONIC PLUS is switched on. or X Tap the DISTRONIC PLUS lever up : or down ; until desired speed is set. The DISTRONIC PLUS is switched on. X Remove your foot from the accelerator pedal. Your vehicle adapts its speed to the preceding vehicle, observing the set speed as a maximum value. If you do not completely remove your foot from the accelerator pedal, the message DISTRONIC PLUS Override appears in the multifunction display. The distance to a slower-driving vehicle will not be set. You will drive at the speed you dictate by pressing the accelerator pedal. X Pull the DISTRONIC PLUS lever briefly in direction of arrow ?. The DISTRONIC PLUS is switched on. X Tap the DISTRONIC PLUS lever up : or down ; until desired speed is set. You can adjust the set speed using the DISTRONIC PLUS lever and the target distance using the distance setting switch on the DISTRONIC PLUS lever (Y page 339). Controls in detail i If the DISTRONIC PLUS is switched off, the PRE-SAFE® Brake (Y page 69) will warn of an impending collision if this function has been activated with the instrument cluster control system (Y page 232). Starting off When the preceding vehicle starts off: X X Remove your foot from the brake pedal. Pull the DISTRONIC PLUS lever briefly in direction of arrow ?. or X Briefly step on the accelerator pedal. Your vehicle starts off and adapts its speed to the preceding vehicle. Driving If there is no preceding vehicle, the DISTRONIC PLUS functions like the cruise control (Y page 328). When the DISTRONIC PLUS detects that the preceding vehicle is driving more slowly, it brakes the vehicle in order to keep the distance specified by you. When the DISTRONIC PLUS detects that the preceding vehicle is driving faster, it accelerates the vehicle up to the set speed. Switching on when approaching a stationary vehicle It is helpful to switch on the DISTRONIC PLUS display in the multifunction display to see that a preceding vehicle is detected (Y page 334). You can only switch on the DISTRONIC PLUS below a speed of 20 mph (30 km/h) when a preceding vehicle is detected. If the preceding vehicle is stationary, you can only switch on the DISTRONIC PLUS if your vehicle is also at a standstill. G Warning! When you step on the brake pedal, you switch off the DISTRONIC PLUS except when the vehicle is at a standstill. The DISTRONIC PLUS will no longer brake your vehicle. You are always responsible for maintaining a distance from other vehicles, observing road speeds and braking well in advance.