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Problem
ú
(USA only)
±
(Canada only)
The yellow engine malfunction
indicator lamp comes on while
driving.
i
Some states may by law require you to visit
a workshop immediately as soon as the engine
malfunction indicator lamp comes on. Check
local requirements.
Possible cause/consequence
The fuel filler cap is not closed tightly.
Practical hints
What to do if ...
Suggested solution
Check the fuel filler cap ( page 247).
If it is not closed properly:
Close the fuel filler cap.
If it is closed properly:
Have the fuel system checked by an
authorized Mercedes-Benz Center.
309
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