2007 Mercedes CLS-Class Owner's Manual - Page 374

Practical hints What to do if ... Display symbol (USA only) Display messages Visit workshop Possible cause/consequence There may be a malfunction in the: fuel injection system ignition system exhaust system fuel system Possible solution Have the measuring system checked by an authorized Mercedes-Benz Center. ú (Canada only) ± H Top up coolant See Operator's Manual The coolant level is too low. Add coolant ( page 290). If you have to add coolant frequently, have the cooling system checked by an authorized Mercedes-Benz Center. 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 could be seriously burned. 373