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Practical hints
What to do if ...
Problem
?
The yellow "CHECK ENGINE"
malfunction indicator lamp
comes on while driving.
276
Possible cause
There is a malfunction in:
The fuel management system
The ignition system
The emission control system
Systems which affect emissions
Such malfunctions may result in excessive
emissions values and may switch the engine
to its limp-home (emergency operation)
mode.
The fuel cap is not closed tight.
Your gas tank is empty.
Suggested solution
Have the vehicle checked as soon as
possible by an authorized
Mercedes-Benz Center.
An on-board diagnostic connector is
used by the service station to link the
vehicle to the shop diagnostics
system. It allows the accurate identifi-
cation of system malfunctions
through the readout of diagnostic
trouble codes. It is located in the front
left area of the footwell next to the
parking brake pedal.
Check the fuel cap.
After refuelling start 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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