2009 Mercedes G-Class Owner's Manual - Page 220

463_AKB; 2; 52, en-US d2ureepe, 2008-12-02T10:52:11+01:00 - Seite 218 Version: 2.11.7.1 218 What to do if ... Vehicle Problem Possible causes/consequences and X Solutions The yellow fuel tank The fuel level has gone below the reserve mark. reserve warning lamp in X Refuel at the next gas station. the fuel gauge comes on while driving. The yellow fuel tank The fuel cap is not closed properly. reserve warning lamp in X Close the fuel cap. the fuel gauge comes on when the engine is running. Practical hints Engine Problem = (USA only) ; (Canada only) The yellow engine malfunction indicator lamp comes on when the engine is running. Possible causes/consequences and X Solutions There may be a malfunction in: RThe RThe RThe fuel management system ignition system emission control system which affect emissions RSystems Such malfunctions may result in excessive emissions values and may switch the engine to limp-home (emergency operation) mode. X Have the vehicle checked as soon as possible at an authorized Mercedes-Benz Center. = (USA only) ; (Canada only) The yellow engine malfunction indicator lamp comes on when the engine is running. A loss of pressure has been detected in the fuel system. The fuel cap may not be closed properly or the fuel system may be leaky. X Check the fuel cap (Y page 146). X If it is not closed properly: Close the fuel cap. X If it is closed properly: Have the fuel system checked by an authorized Mercedes-Benz Center.