2009 Mercedes CLS-Class Owner's Manual - Page 265

Practical hints Vehicle status messages in the multifunction display G Warning! If the 75 indicator lamp remains illuminated with an adult occupant on the front passenger seat even after performing the above corrective steps, do not have any passenger use the front passenger seat until the system has been repaired. Driving systems Display messages Cruise Control Inoperative And SPEEDTRONIC Cruise Control - - - MPH (USA only) - - - Km/h (Canada only) - - - MPH (USA only) - - - Km/h (Canada only) Inoperative Override Possible cause/consequence The cruise control is malfunctioning. One of the activation conditions for cruise control has not been fulfilled. For example, you attempted to set a speed below 20 mph (30 km/h). One of the activation conditions for Distronic has not been fulfilled. For example, you attempted to set a speed below 20 mph (30 km/h). The Distronic or the display are malfunctioning. You have accelerated. The Distronic has switched off. Possible solution X Have cruise control checked at an authorized Mercedes-Benz Center. Drive faster than 20 mph (30 km/h), if the situation allows, and set the speed. Check the activation conditions for cruise control (Y page 143). Drive faster than 20 mph (30 km/h) and set the speed. Check the activation conditions for Distronic (Y page 149). Contact an authorized Mercedes-Benz Center as soon as possible. Stop accelerating. Z X X DISTRONIC X X DISTRONIC DISTRONIC X X 263