Mercedes-Benz M-Class 2012 Owners Manual - Manual (Page 259)

Display messages Possible causes/consequences and M Solutions
8
Fuel Level Low
The fuel level has dropped into the reserve range.
X Refuel at the nearest gas station.
C
There is only a very small amount of fuel in the fuel tank.
X Refuel at the nearest gas station without fail.
8
Gas Cap Loose
The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
X Check that the fuel filler cap is correctly closed.
If the fuel filler cap is not correctly closed:
X Close the fuel filler cap.
If the fuel filler cap is correctly closed:
X Visit a qualified specialist workshop.
8
Ultra Low-sulfur
Diesel Fuel Only
Vehicles with a diesel engine: the fuel level has fallen below the
reserve range.
X Refuel at the nearest gas station.
X Only use commercially available vehicular ULTRA-LOW SULFUR
HIGHWAY DIESEL FUEL (ULSD, 15 ppm SULFUR MAXIMUM).
¸
Replace Air Filter
Vehicles with a diesel engine: the engine air filter is dirty and must
be replaced.
X Visit a qualified specialist workshop.
!
Check Fuel Filter
Vehicles with a diesel engine: there is water in the fuel filter. The
water must be drained off.
X Visit a qualified specialist workshop.
Ø
Check Additive See
Operator's Manual
The DEF tank is empty.
X Have the DEF tank filled as soon as possible at a qualified
specialist workshop (
Y
page 152).
Ø
Remaining Starts:
16
The DEF level has fallen to a minimum.
X Have the DEF tank filled immediately at a qualified specialist
workshop. (
Y
page 152)
Display messages
257
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