2009 Mercedes CL-Class Owner's Manual - Page 484

Practical hints Vehicle status messages in the multifunction display Display messages DISTRONIC PLUS Currently Unavailable See Oper. Manual Possible cause/consequence The DISTRONIC Plus is switched off and is temporarily unavailable. The DISTRONIC Plus is deactivated if: Rthe Rits Possible solution X DISTRONIC Plus cover in the radiator grille is dirty function is impaired as a result of heavy precipitation radar sensor system is temporarily inoperative due to electromagnetic interference near television and radio transmitter stations, toll stations, speed measuring systems, etc. radar sensors do not sense any other vehicles or objects, i.e. road sign or similar to this, for a long time system is out of the operating temperature range battery voltage is insufficient Rthe If necessary, clean the DISTRONIC Plus cover in the radiator grille (Y page 465). X Restart the vehicle. X Try activating the DISTRONIC Plus again later. X Wait until the system is within the operating temperature range or the battery recovers. The DISTRONIC Plus becomes operational again without the engine being restarted when: Rdirt Rthe on the radiator grille has fallen off while driving (e.g. slush or snow) system recognizes full sensor availability (due to lessening rain or the road surface drying) message in the multifunction display disappears Rthe Rthe Rthe Rthe DISTRONIC PLUS Inoperative The DISTRONIC Plus is malfunctioning. The BAS Plus and the PRE-SAFE® Brake are also not available. You have accelerated. The DISTRONIC Plus has switched off. X Contact an authorized Mercedes-Benz Center as soon as possible. Stop accelerating. DISTRONIC PLUS Override X 482