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emilguenther58

Mercedes GLE air conditioning compressor issue

My 2021 Mercedes GLE diesel air conditioning is not working The A/C compressor shuts off completely and blows warm air I scanned the error memory and suspect undervoltage Could it be the pressure switch or AC relay

4 comment(s)

leoblade1

I am sorry to hear you are experiencing difficulties with your Mercedes-Benz GLE I have encountered similar air conditioning complications Have you inspected the pressure sensor in addition to the pressure switch and A/C relay When the pressure sensor malfunctions, it can cause the A/C compressor to cease operation

emilguenther58 (Author)

Thanks for the reply I haven't specifically checked the pressure sensor yet Where is the pressure sensor located on the GLE When you had the issue, were the symptoms exactly the same compressor cutting out completely and warm air only Did you also see an error code

leoblade1

Yes, the symptoms were consistent with those you described, including the error code While I am unable to provide the precise location of the pressure sensor, I recommend consulting a workshop professional, as they will be able to diagnose the issue and have the necessary equipment to resolve the error In my experience, a repair shop will be the best course of action for this particular issue

emilguenther58 (Author)

Took your advice and went to the shop Turns out, it WAS undervoltage causing the A/C compressor to shut off They sorted out the electrical issues, and the air conditioning is ice cold again Total cost was 240€, not too bad Thanks for pointing me in the right direction

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