2009 Mercedes CLS-Class Owner's Manual - Page 282
2009 Mercedes CLS-Class Manual
Page 282 highlights
Practical hints Vehicle status messages in the multifunction display Display messages Possible cause/consequence Coolant Stop Vehicle, turn engine off. The poly-V-belt could be broken. Possible solution X X X X Ì Stop the vehicle in a safe location or as soon as possible. Turn off the engine immediately. Check the poly-V-belt. If it is broken: Do not continue to drive. Otherwise the engine will overheat due to an inoperative water pump which may result in damage to the engine. Contact an authorized Mercedes-Benz Center. If it is intact: Do not continue to drive the vehicle with this message displayed. Doing so could result in serious engine damage that is not covered by the Mercedes-Benz Limited Warranty. Observe the coolant temperature indicator in the instrument cluster. Drive to the nearest authorized Mercedes-Benz Center immediately. X X X 280