2009 Mercedes R-Class Owner's Manual - Page 334
2009 Mercedes R-Class Manual
Page 334 highlights
Practical hints Vehicle status messages in the multifunction display Display messages Possible cause/consequence The fuel level is low. Reserve Fuel Ultra Low-sulfur Diesel Fuel Only The fuel level has dropped below the reserve mark. Vehicles with diesel engine only: The fuel level has dropped below the reserve mark. 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. Possible solution X X ¿ 4 4 Refuel at the next gas station. Refuel at the next gas station. Refuel at the next gas station. Only use commercially available vehicular ULTRA-LOW SULFUR DIESEL FUEL (15 ppm SULFUR MAXIMUM). Check the fuel cap (Y page 245). If it is not closed properly: Close the fuel cap. If it is closed properly: Have the fuel system checked at an authorized Mercedes-Benz Center. Have the air filter checked at an authorized Mercedes-Benz Center. Have the water drained at an authorized Mercedes-Benz Center as soon as possible. Have the AdBlue® tank refilled as soon as possible (Y page 375). Contact an authorized Mercedes-Benz Center. X X 4 Gas Cap Open X X X ò ] û Replace air filter Clean Fuel Filter Check Additive See Operator's Manual The air filter is clogged. There is water in the fuel filter. The AdBlue® supply is almost depleted. X X X 332