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Compressor noise when opening door

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Old 08-30-2018, 10:09 AM
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Compressor noise when opening door




When i unlock my car doors or open the doors this pump goes off and is very loud . My 07 G500 looks to have similar pump as this 13’ but doesn’t make any noise .
Old 08-30-2018, 03:12 PM
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Originally Posted by 305G550



When i unlock my car doors or open the doors this pump goes off and is very loud . My 07 G500 looks to have similar pump as this 13’ but doesn’t make any noise .
This started with 2013 models and newer G class. The fuel pump activates in anticipation of starting the car. If the noise is loud then it could be a fuel pump going bad.

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