Malfunction Indicator Lamp; Engine Malfunction - Mercedes-Benz 2009 CL-Class Operator's Manual

Practical hints
What to do if ...
Engine
Problem
±
The yellow engine malfunction
indicator lamp comes on when
the engine is running.
±
The yellow engine malfunction
indicator lamp comes on when
the engine is running.
536
Possible cause/consequence
There may be a malfunction in:
The fuel management system
R
The ignition system
R
The emission control system
R
Systems which affect
R
emissions
Such malfunctions may result in
excessive emissions values and
may switch the engine to limp-
home (emergency operation)
mode.
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.
Suggested solutions
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.
X
Check the fuel cap ( Y page 421).
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.