what make the ec light stay on

25

Asked by Jul 22, 2007 at 11:25 AM about the 1997 Mercedes-Benz E-Class E 420

Question type: Maintenance & Repair

what makes the economy control light stay on? the air cond. will not work when the ec light is on. Is it a censer? if so where is it located?

3 Answers

50

EC button on your ac and heating control is to bring outside air only into your car. when that mode is selected, a/c will not come on. You must use other buttons along with lowering the temprature setting selector for the a/c to kick in.

5 of 6 people found this helpful.
290

Your EC light stays on with inop AC only when it records a fault in system.Being low on freon will cause this, must erase codes even after freon level corrected.If freon level ok, evaporator temp sensor sill short,send false signal to computer,causeing shutdown of comprssor

9 of 9 people found this helpful.
100

so this is all in the coding b ut how do you fix it?

5 of 5 people found this helpful.

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