M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

Ml 350 airmatic compressor starts, engine stops

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Old May 23, 2020 | 05:01 AM
  #1  
Gábor Varga's Avatar
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From: Hungary
ml 164 350, w124 300D
Ml 350 airmatic compressor starts, engine stops

Regards (sorry for the language errors).
There is a problem with the 350 ml if the compressor starts and the engine stops.
the previous owner replaces the relays.
in the engine compartment on a switchboard
Yellow A 002542 14 19
per compressor 002 542 23 19
Then a big spark and an engine stopped,
if I did not allow a relay to be retracted, a motor will turn on, but a motor will stop when a relay and a compressor operate.
can anyone find someone with such a problem?
there are no error codes.
Which peripheral do you think is damaged?
Thanks in advance for the help

Last edited by Gábor Varga; May 23, 2020 at 07:22 AM. Reason: .
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Old May 23, 2020 | 08:03 AM
  #2  
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From: Bronx, N.Y.
2002 ML 320 & 2006 ML500
Post your full vin#.
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Old May 23, 2020 | 09:09 AM
  #3  
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From: Hungary
ml 164 350, w124 300D
WDC1641861A222471
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Old May 23, 2020 | 11:14 AM
  #4  
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2002 ML 320 & 2006 ML500
Please UPDATE YOUR PROFILE to include the year 2007 ML350 4matic and where you live. Erase W124.




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Old May 23, 2020 | 11:17 AM
  #5  
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There are no relays for air conditioning.

Please take a photo of the relays that you are referring to.
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Old May 23, 2020 | 12:17 PM
  #6  
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ml 164 350, w124 300D

yellow to green


A to G relay
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Old May 23, 2020 | 12:26 PM
  #7  
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ml 164 350, w124 300D
I still thought there could be no problem with the generatorI still thought there could be no problem with the generator
charging 13.6 v.If I connect all the consumers it will drop 13.1v 11.9v
the controls units may turn offcharging 13.6 v.If I connect all the consumers it will drop 13.1v 11.9v
the controls units may turn off
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Old May 23, 2020 | 12:31 PM
  #8  
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Which relay is causing the problem?
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Old May 23, 2020 | 01:35 PM
  #9  
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ml 164 350, w124 300D
he put the yellow in its green place
the relays themselves work
in the picture, "A" was inserted in place of "G"
And it is a phenomenon that the compressor starts. the engine stops. I know it's hard to diagnose.
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Old May 23, 2020 | 02:09 PM
  #10  
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Relay A is for the wiper level and G is for the air suspension.

You will have to remove that fuse box and see if any wires are melted to each other.
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Last edited by Maj. Dundee; May 23, 2020 at 02:11 PM.
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Old May 23, 2020 | 02:57 PM
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ml 164 350, w124 300D
Thanks, I'll check the wires tomorrow
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