Mercedes-Benz CLK-Class 2008 Owners Manual User Manual
Page 383

382
Practical hints
What to do if …?
Problem
Possible cause/consequence
Suggested solution
ú
±
(USA only)
(Canada only)
The yellow engine malfunction
indicator lamp comes on while
driving.
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 (
If it is not closed properly:
̈
Close the fuel cap.
If it is closed properly:
̈
Have the fuel system checked at an autho-
rized Mercedes-Benz Center.
•
The red coolant warning lamp
comes on when the engine is run-
ning.
There is insufficient coolant in the
reservoir.
̈
Add coolant to prevent engine from overheat-
ing (
If this warning lamp comes on fre-
quently, there is a leak in the cooling
system.
̈
Have the cooling system checked.
If the coolant level is correct, the
electric radiator fan may be broken.
̈
If the coolant temperature is below 248°F
(120 °C), you can continue driving to the
nearest authorized Mercedes-Benz Center.
̈
Avoid high engine loads (e.g. driving uphill)
and stop-and-go driving.