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Practical hints
What to do if …
Problem Possible cause/consequence Suggested solution
USA only:
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Canada only:
±
The yellow engine malfunction
indicator lamp comes on when
the engine is running.
There is a malfunction in:
ț The fuel injection system
ț The ignition system
ț The emission control system
ț Systems which effect emissions
Such malfunctions may result in
excessive emissions values and may
switch the engine to its limp-home
(emergency operation) mode.
̈ Have the vehicle checked as soon as pos-
sible 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 identification of system malfunc-
tions through the readout of diagnostic
trouble codes. It is located in the front left
area of the footwell near the hood release.
i
Some states may by law require you to visit
a workshop as soon as the engine malfunction
indicator lamp comes on. Check local require-
ments.