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

2009 ML350 A/C Related Fuses

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Old May 1, 2021 | 11:50 AM
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dmico2's Avatar
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From: Miami, Florida
2009 ML 350 4Matic Gas 75K Miles/2016 CLS400 35k Miles
2009 ML350 A/C Related Fuses

Where are and which fuses are A/C (compressor) related?

The truck A/C air was gradually warming, took it in for a recharge and told it was blowing cold. When I picked it up the air was barely cool and it seemed like the compressor wasn't on. When the A/C is blasting I can feel the truck shaking slightly when stopped at a light. Took it back, put it on th machine, not overfilled, balanced properly and they say the compressor must be rotten on the inside and $1700 for the entire job.

I plugged in the scanner at home and no codes.

Is there a datastream that I should check?

I plan on taking it in to my mechanic next week to diagnose but was hoping to check the basics myself hoping it's something simple.

Thanks in advance for everyone's help.
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Old May 1, 2021 | 12:58 PM
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Maj. Dundee's Avatar
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From: Bronx, N.Y.
2002 ML 320 & 2006 ML500
Fuse #12 in Fuse Box F3 .

Fuses #78 & 91 in Fuse Box F33.




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Old May 1, 2021 | 02:32 PM
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dmico2's Avatar
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2009 ML 350 4Matic Gas 75K Miles/2016 CLS400 35k Miles
Thank you.
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Old Sep 7, 2023 | 02:44 PM
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Vette Moto's Avatar
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Kleemann C55, C32
Originally Posted by Maj. Dundee
Fuse #12 in Fuse Box F3 .

Fuses #78 & 91 in Fuse Box F33.




are these AC fuse locations applicable to 2007 ML320 too?
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