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Practical hints
What to do if ...
Problem Possible cause/consequence Suggested solutions
ú (USA only)
± (Canada only)
The yellow engine malfunc-
tion indicator lamp comes on
while 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 possi-
ble 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 accu-
rate identification 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.
Your fuel tank is empty. ̈ 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.
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.