S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600
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DIFFERENTIAL BREATHER or VENT

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Old 10-03-2018, 04:56 PM
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S600
DIFFERENTIAL BREATHER or VENT

I'm looking for help with diagrams and replacement instructions for the differential breather on my 2007 S600. I think it may be blocked because I'm getting minor leaking from the axle seals. It could be the seals, but if the breather is cheap and easy to replace, I'd rather start there. I can't seem to find diagrams of this part. My local dealer gave me 3 different part numbers, a vent, a vent cap, and a multi-pin connection? He wasn't sure what the connection was for. Is there a sensor in this diff? the numbers given were 2303510268, 1663510165, 2213500090. I can find these online and are very inexpensive, but I cannot find any pictures of them or diagrams/instructions for replacement. I'm hoping it's an easy access item, but if I have to drop the diff, I will take it to a shop. I've searched the forum and can't find this subject covered. Any help would be appreciated! vin WDDNG76X87A088871
Old 10-04-2018, 10:56 AM
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'71 Pinto
Current breather part # 1663510165 + vent cap 2213500090.







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Last edited by konigstiger; 10-04-2018 at 10:59 AM.
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Old 10-04-2018, 11:31 AM
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thank you so much Konigstiger! that's nice to have the build sheet too!

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