Mercedes-Benz 2004 CL 500, Operator'S Manual

Page: 295 / 418

294
Practical hints
What to do if …?
Problem Possible cause Suggested solution
?
(USA only)
±
(Canada only)
The yellow malfunction
indicator lamp comes on
while driving. There is a malfunction in:
앫
The fuel management system
앫
The ignition system
앫
The emission control system
앫
Systems which affect emissions
Such malfunctions may result in excessive
emissions values and may switch the en-
gine to its limp-home (emergency opera-
tion) mode.
왘
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 identification of
system malfunctions through the read-
out of diagnostic trouble codes. It is lo-
cated in the front left area of the
footwell next to the parking brake pedal.
The fuel cap is not closed tightly.
왘
Check the fuel cap (
컄
page 257).
Your gas tank is empty.
왘
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.
l
The red Distronic warn-
ing lamp comes on while
driving. You are too close to the vehicle in front of
you to maintain selected speed.
왘
Apply the brakes immediately to in-
crease the following distance.