lukas_bauer5

AMG GT Air Conditioning Issues

My Mercedes AMG GT from , with a gasoline engine, has an air conditioning problem The system isn't cooling I've checked the fuses Could it be the AC relay Or a faulty pressure switch And is AC noise always a bad sign

A Mercedes AMG GT is experiencing air conditioning issues, specifically a lack of cooling. The problem may be due to a faulty AC relay or pressure switch, with a hissing noise suggesting a potential leak or valve issue. It is advised to have the system checked by a professional, as testing components like the pressure switch can be complex without proper tools. Ultimately, a faulty valve was identified and repaired, resolving the cooling issue.

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4 comment(s)

Sounds frustrating I had a similar issue with my AMG GT Check the AC pressure switch If it's faulty, the compressor won't kick in Have you noticed any unusual AC noise before it stopped working And when was the last time you did any AC maintenance

Thanks for the quick reply Can I test the pressure switch myself, or is that dangerous Where is the AC pressure switch located There was a slight hissing sound for a while, but I thought it was normal car noises Also, I'm terrible with AC maintenance - it has probably been way too long

Testing the pressure switch can be tricky without the right tools That hissing sound definitely points towards a possible leak or valve issue Honestly, with those symptoms, it's probably best to get it checked by a workshop A defect in individual valves sounds plausible now, especially given the age and mileage

You were spot on Took it to a shop, and they confirmed it was a faulty valve in the AC system Cost me around 1000€, but at least I have cold air again Thanks for the help, really appreciate it

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MERCEDES

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AMGGT