Why is the EC light on and wont go off? No cold air is blowing from the AC.

Asked by Jun 27, 2008 at 01:05 AM about the 2001 Mercedes-Benz S-Class S 600

Question type: Maintenance & Repair

3 Answers

7,895

You'll need to take it to find out why the light is on... If it's like the e classes there are over a dozen reasons the light could be on, and without knowing the code/reason for the error no one can really make an intelligent guess at how to fix the problem. My money is on Error B1241 - Refrigerant Low... Post back an let us know what's up.

4 out of 4 people think this is helpful.
45

thats the economy mode for the AC controls it really doesn't blow cold cold air mearely keeps the ca a gentle cool. No cold air could be a vacuum solenoid pump that could have sprunt a leak and is now not actualting a lever behind the dash. I had a solenoid fail on the aif recirculation panel which made the car use out side air 100% of the time but not anymore since I replaced the part

50

there is either low refrigerant level in the ac system also there was a service bulletin for the s classes foe the same complaint u r mentioning theres a fault code stored for the ac refriderant pressure sensor.

4 out of 4 people think this is helpful.

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