2010 Mercedes GL-Class Owner's Manual - Page 322

2010 Mercedes GL-Class Manual

Page 322 highlights

320 What to do if ... Vehicle Problem Possible causes/consequences and M 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. Engine Problem Possible causes/consequences and M Solutions There may be a malfunction in Rthe Rthe Rthe Practical hints ! (USA only) ; (Canada only) The yellow engine malfunction indicator lamp comes on when the engine is running. 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. i Some states may by law require you to visit a workshop as soon as the engine malfunction indicator lamp comes on. Check local requirements. ! (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 226). 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. Diesel engine: Your fuel tank was driven empty. X After refueling, start, turn off and restart the engine three or four times in succession. The limp-home mode is canceled. You do not need to have your vehicle checked.

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Vehicle
Problem
Possible causes/consequences and
M
Solutions
The yellow fuel tank
reserve warning lamp in
the fuel gauge comes
on while driving.
The fuel level has gone below the reserve mark.
X
Refuel at the next gas station.
Engine
Problem
Possible causes/consequences and
M
Solutions
!
(USA only)
;
(Canada only)
The yellow engine
malfunction indicator
lamp comes on when
the engine is running.
There may be a malfunction in
R
the fuel management system
R
the ignition system
R
the emission control system
R
systems which affect emissions
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.
i
Some states may by law require you to visit a workshop as
soon as the engine malfunction indicator lamp comes on. Check
local requirements.
!
(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 226).
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.
Diesel engine: Your fuel tank was driven empty.
X
After refueling, start, turn off and restart the engine three or four
times in succession.
The limp-home mode is canceled. You do not need to have your
vehicle checked.
320
What to do if …
Practical hints