refuelling MERCEDES-BENZ CLK350 2006 C209 Owner's Manual

376 Practical hintsWhat to do if …?Problem
Possible cause/consequence
Suggested solution
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(USA only)
(Canada only)
The yellow engine
malfunction indi-
cator lamp comes
on while driving.
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 ex-
cessive emissions values and may
switch the engine to its Limp-Home
Mode (emergency operation).

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.
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.

Check the fuel cap (
page 318).
If it is not closed properly:

Close the fuel cap.
If it is closed properly:

Have the fuel system checked by an autho-
rized Mercedes-Benz Center.
Your fuel tank is empty.

After refuelling, 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.