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Resetting ac


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I know little about CL class but w y don't you access the diagnostic mode on your merc's display and look at the temperature levels of different aspects or pressure levels? I am assuming it might as well have one. Those help establish where the problem is arising from, a leak, compressor problems due to electrical problems and so on and so forth.

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when I had this kind of a problem I had to look at all of the options and then narrow it down to what i thought was the problem .. eventually the mechanic confirmed that the evaporator sensor needs replacing and so my problem was solved. Hated spending the money out of the blue though.

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Reset AC system:

- Insert key, select cylinder 2, this will prevent the engine from cranking

- Two buttons you have to focus on, the defrost and the re-circulated air ones. Defrost one has three lines going through it and the other one has a picture of a car with curved line through it. Google you will find them.

- Press both these buttons simultaneously and hold them there till the LED lights start flashing.

- Wait for them to stop flashing

- Turn car off

- Wait one entire minute to turn the car on again. Walah!

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