2003 Mercedes C-Class Owner's Manual - Page 266

Practical hints What to do if ... Display Possible cause COOLANT CHECK LEVEL! Suggested solution Add coolant ( page 238). If you have to add coolant frequently, have the cooling system checked by an authorized Mercedes-Benz Center. B The coolant level is too low. Warning! G ! Do not ignore the low engine coolant level warning. Extended driving with the message and symbol displayed may cause serious engine damage not covered by the Mercedes-Benz Limited Warranty. Do not drive without sufficient amount of coolant in the cooling system. The engine will overheat causing major engine damage. Do not spill antifreeze on hot engine parts. Antifreeze contains ethylene glycol which may burn if it comes into contact with hot engine parts. You can be seriously burned. 266