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2009 G55 Amg Air Conditioning

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Old 08-08-2013, 10:02 PM
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2009 G55 Amg Air Conditioning

I turn air conditioning on and five minutes later shuts off by itself. Air shts down also. Its like there is a circuit breaker and shuts everything off. Push Air Con again, and does the same thing again...
Any ideas?

Thanks
Old 08-08-2013, 10:21 PM
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Old 08-10-2013, 12:08 AM
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Mercedes G55 AMG
Have you checked your A/C Refrigerant gas pressure?
When your A/C is switched on for those five minutes is it warm or cold air?
Worst Case Scenario = Evaporator leak or some other External Leak
Best Case Scenario = A/C dials are faulty
Old 08-23-2013, 02:57 PM
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I also have the same problem, I took my car to the garage but they couldn't replicate the problem and therefore didn't know what to fix. It's happening again and I've got no clue what to do. Karim, did you manage to sort out your issue?
Old 09-04-2013, 09:55 AM
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Try searching on "Final Stage Resistor". This may have gone bad causing you to have intermittent AC blower function.

This is an ~$90 part that goes back frequently in many cars. This is what controls blower function of the air conditioner/heater.

Last edited by BonitaBeast; 09-04-2013 at 04:48 PM.
Old 09-04-2013, 10:56 AM
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Have you checked the "rotor" in the engine room? I had a faulty rotor that stopped after a minute and did the exact same thing to the AC. New rotor fixed it.

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