2005 Mercedes G-Class Owner's Manual - Page 310

Practical hints What to do if ... Display symbol Display message ENGINE OIL LEVEL REDUCE OIL LEVEL! ENGINE OIL LEVEL STOP, ENGINE OFF! Possible cause You have added too much engine oil. There is a risk of damaging the engine or the catalytic converter. There is no oil in the engine. There is a danger of engine damage. Possible solution Have oil siphoned or drained off. Observe all legal requirements with respect to its disposal. Carefully bring the vehicle to a halt as soon as possible. Turn off the engine. Add engine oil ( page 243) and check the engine oil level ( page 240). : ENGINE OIL VISIT WORKSHOP! ENGINE OIL LEVEL VISIT WORKSHOP! It may be that there is water in the engine oil. The engine oil has dropped to a critical level. Have the oil checked. Check the engine oil level ( page 240) and add oil as required ( page 243). If you must add engine oil frequently, have the engine checked for possible leaks. The measuring system is malfunctioning. Have the measuring system checked by an authorized Mercedes-Benz Light Truck Center. 310