Mercedes-Benz SL-Class User Manual
Page 329

327
Practical hints
What to do if …
Problem
Possible cause
Suggested solution
ú
(USA only)
±
(Canada only)
The yellow engine malfunction
indicator lamp comes on while
driving.
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
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 sys-
tem. It allows the accurate identifica-
tion of system malfunctions through
the readout of diagnostic trouble
codes. It is located in the front left
area of the footwell next to the park-
ing brake.
The fuel cap is not closed tightly.
̈
Check the fuel cap (
୴
page 267).
If it is not closed properly:
̈
Close the fuel cap.
If it is closed properly:
̈
Have the fuel system checked by an
authorized Mercedes-Benz Center.