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No cold air for over a month. Freon is good, pressure is good. I can hear - and see - the compressor engage. The cold air stopped very suddenly about a month ago, there was nothing gradual about it. Had been working perfect since November 2018, which is when I bought the car. I just replaced the in-car temp sensor as it was reading -99, and now reads the correct temperature. One of the other sensors is reading about 10 degrees above the rest, which I read may be another issue…perhaps not(?). Thinking maybe a blockage in the system and it just needs to be bled out, cleaned out and refilled/reset? Attached are the current AC data readings.
My 04 E320 Sport has a similar issue, my Mercedes mechanic replace the heater valve on mine and the AC is working fine for now. But, he says the compressor is suspect and will fail at some point in the near future. He indicates that when they fail, it goes all at once, no warning.
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.
