2006 Mercedes R-Class Owner's Manual - Page 434
2006 Mercedes R-Class Manual
Page 434 highlights
Practical hints What to do if ... Display symbol Display messages Engine Service Possible cause/consequence Possible solution There may be a malfunction in the fuel injection system ignition system exhaust system fuel system Have the engine checked by an authorized Mercedes-Benz Light Truck Center. ? (USA only) ± (Canada only) B Coolant Check level The coolant level is too low. Add coolant ( page 351). If you have to add coolant frequently, have the cooling system checked by an authorized Mercedes-Benz Light Truck 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 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. Do not drive without sufficient amount of coolant in the cooling system. The engine will overheat causing major engine damage. 433