Mercedes-Benz 2009 R-Class, Operator'S Manual

Page: 334 / 412

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