2009 Mercedes CLK-Class Owner's Manual - Page 301
2009 Mercedes CLK-Class Manual
Page 301 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 Ì Stop the vehicle immediately as soon as it is safe to do so. X Turn off the engine immediately. X Check the poly-V-belt. X 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. X 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. X Observe the coolant temperature indicator in the instrument cluster. X Drive to the nearest authorized Mercedes-Benz Center immediately. X Ì The cooling fan for the coolant is malfunctioning. Observe the coolant temperature indicator in the instrument cluster. Z 299