2008 Mercedes CLS-Class Owner's Manual - Page 376
2008 Mercedes CLS-Class Manual
Page 376 highlights
Practical hints What to do if ... Display symbol (USA only) Display message Service Required 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 Man. 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 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. ! 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. 375