E-Class (W212) 2010 - 2016: E 350, E 550
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Cover on A/C Compressor Clutch?

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Old Aug 19, 2023 | 05:38 AM
  #1  
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E350 (W212)
Question Cover on A/C Compressor Clutch?

Hello MBWorld Members,

I recently decided to replace my A/C Compressor so I ordered a new one and it came with this metal cover over the clutch, should I leave it on or take it off (if I should take it off, how do I take it off, it seems very solid)?

How the one in my car currently looks (and how it looked in the picture where I bought it from): https://imgur.com/a/SALcbvb
How the one I ordered looks: https://imgur.com/a/MJGRH5O

Thanks for your time MBWorld

This is how the one that shipped to me looks, with a cover over the clutch.

This is how the one in my car looks and how the one I ordered looked like online.
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Old Aug 19, 2023 | 05:54 AM
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maybe cover is a part improvement to keep junk out of clutch and area on pulley where clutch interacts??
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Old Aug 19, 2023 | 07:54 AM
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2008 E350, 2012 ML350, 2014 E350, 2015 ML350
Photo of the label, model information?

It seems you remove the center bolt and it comes out as a single part.
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Old Aug 19, 2023 | 04:09 PM
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That's what I was thinking....
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Old Aug 19, 2023 | 04:13 PM
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Not much information other than this label, sorry for bad quality:
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Old Aug 20, 2023 | 03:23 AM
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yeah but I see the paint marking on the bolt and cover thingy which means it was a QC check the bolt was installed and torqued properly.

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Old Aug 20, 2023 | 06:49 AM
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2014 - W212.065 - E400 ( M276.820, 3 liter Turbo) RWD not Hybrid
Did you order a Denso or other brand ?
OE of W212 compressor is Denso
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Old Aug 20, 2023 | 04:46 PM
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No, I ordered one from ebay, it arrived and looked very similar to the one that was OE.

I ended up installing it and charging the system. Works well, AC blows nice and cold.

For anyone wondering, I torqued the mounting bolts to 18 foot pounds (I just eyeballed one because it was hard to reach) and I just snugged up the connectors for the low and high sides.

I'll be checking up on it in the coming days and weeks to make sure its all still study n whatnot.
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