Oh, now I understand. I will do the test and let you know.

However, if I put the temp control on max cold, does it still use the temp sensor? I would think this would override any cabin temp senor. And also, would this cause my compressor to be engaged, because I know my compressor is fully engaged (but is not doing any work based on temperature of all ac lines being near ambient) under this condition.

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Treiberg's Collection: 1981 240D, 1985 300SD, 1992 300E, 1997 E300D, 2005 C230K