E-Class (W211) 2003-2009

Vacuum line from rear of intake manifold

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Old Sep 1, 2021 | 07:14 PM
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Andre91's Avatar
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2012 E350 4Matic
Vacuum line from rear of intake manifold

While replacing my intake manifold I noticed that the large vacuum line running from the port on the rear of the manifold near the throttle body up to the firewall on the passenger side was cracked. I made a temporary repair, but I'll have to replace this hose to avoid a vacuum leak. Does anyone have a part number for this hose, I can't seem to find anything online? I believe it's for the brake booster?



Last edited by Andre91; Sep 1, 2021 at 07:36 PM.
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Old Sep 27, 2024 | 11:22 AM
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coolplayer4's Avatar
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From: Irvine, CA
2008 Mercedes E350 Sedan
Intake Manifold Valve

Hello!
Did you find out what the intake manifold valve / connector that connects to the hose in question do? Please see pictures below. Need to know it as I plan to test it, but not sure how. Thanks!


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Old Sep 27, 2024 | 01:18 PM
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2008 Mercedes c350

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Old Sep 29, 2024 | 09:12 PM
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2008 Mercedes c350
Originally Posted by Mike4l
I sent the picture above of the vacuum hose connected to the brake booster right behind the intake manifold, I was trying to see if anybody knows how to take it out, I have been struggling with it for a while now
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