2003 Mercedes CL-Class Owner's Manual - Page 268

2003 Mercedes CL-Class Manual

Page 268 highlights

Practical hints What to do if ...? Problem Possible cause The yellow "CHECK ENGINE" malfunction indicator 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 excessive emissions values and may switch the engine to its Limp-Home Mode (emergency operation). Your gas tank is empty. Suggested solution 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 readout of diagnostic trouble codes. It is located in the front left area of the footwell next to the parking brake pedal. 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. The yellow fuel tank reserve warning lamp lights up while driving. The fuel level has dropped below the reserve mark. The fuel cap not closed tight. Refuel at the next gas station ( page 235). Check the fuel cap ( page 235). ? 268

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268
Practical hints
What to do if …?
Problem
Possible cause
Suggested solution
?
The yellow “CHECK ENGINE”
malfunction indicator 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 excessive
emissions values and may switch the engine
to its Limp-Home Mode (emergency opera-
tion).
±
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 pedal.
Your gas tank is empty.
±
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.
The yellow fuel tank reserve
warning lamp lights up while
driving.
The fuel level has dropped below the reserve
mark.
±
Refuel at the next gas station
(
²
page 235).
The fuel cap not closed tight.
±
Check the fuel cap (
²
page 235).