W211 AMG Discuss the W211 AMG's such as the E55 and the E63

Water intrusion with vrp under hood tank?

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Old Aug 16, 2023 | 05:52 PM
  #1  
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W211 e55 amg
Water intrusion with vrp under hood tank?

Just got the vrp under hood tank for my w211 e55 and it looks really good. Just now now realizing that after cutting the cabin air filter housing that the vent on the hood is right above the tank. The air intake for the cabin is right behind the tank and i was just wondering if this is going to be a problem in the rain. I dont want water getting sucked up into the vents and ruining the electrics.

Cabin air filter vent location

Vent on hood
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Old Aug 17, 2023 | 01:19 PM
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I can definitely see how this could become an issue. There needs to be some type of cover for the HVAC intake, not only to keep water out but dust and debris.
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Old Aug 17, 2023 | 01:23 PM
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W211 e55 amg
The kit from vrp did come with a filter like material and wire mesh to help keep out dust and other objects. Unfortunately I didn’t notice the vent until after installation. I am more worried about the rain as i am down here in Florida so we are getting rain here every other day.
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Old Aug 17, 2023 | 01:31 PM
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Originally Posted by Everlaster
The kit from vrp did come with a filter like material and wire mesh to help keep out dust and other objects. Unfortunately I didn’t notice the vent until after installation. I am more worried about the rain as i am down here in Florida so we are getting rain here every other day.
I took another look, and see the mesh that you're referring too. But, I would have thought that VRP would have the fore thought, to provide a plastic shield to prevent water intrusion. I would give VRP a call, just maybe they have a shield.
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Old Aug 17, 2023 | 01:35 PM
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W211 e55 amg
I would have expected that as well especially since this has been available for quite some time now. I did send them a email, yet to hear back from them. Unfortunately they don’t have a phone number listed.
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Old Aug 17, 2023 | 01:45 PM
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How can you call yourself a performance shop when no one can contact you by phone.
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Old Aug 17, 2023 | 07:15 PM
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Block off that part of the vent in the bonnet? Or at least in a way that direct water ingress isnt possible
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Old Aug 17, 2023 | 10:42 PM
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Typical VRP lack of solid installable product and lack of support when questions arise
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Old Aug 17, 2023 | 10:52 PM
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I can see how that would be a concern, especially if you had to park the car outdoors and had a high rainfall environment.

I indirectly solved this by adding a cover off a C219. It seals up against the factory rubber gasket that goes between the firewall and underside of the hood, and would direct any water that did make it through across to the drain channel.

My car is RHD, so you just need to look up the LHD part.





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Old Aug 18, 2023 | 04:43 AM
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Should be one of these partnrs

A2118301413 or A2118320408
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Old Aug 18, 2023 | 11:24 AM
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W211 e55 amg
Thats prefect, will look in some junk yards and on ebay for one. Thank you guys!
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Old Aug 19, 2023 | 08:06 PM
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@Everlaster Please provide a picture when you solved this issue!
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Old Aug 22, 2023 | 02:42 PM
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W211 e55 amg
Will do, I have to source one. There are unfortunately no cls's in the junk yards and they are quite expensive on ebay. Will watch if any come up.
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Old Aug 22, 2023 | 02:48 PM
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Why don't you source the part from a E55, or go to Mercedes and buy it. This part is probably less than $40.
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Old Aug 22, 2023 | 02:55 PM
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W211 e55 amg
Oh, i was unaware they came on the 211 too. If they are that cheap ill go buy from the dealer sometime next week.
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Old Aug 23, 2023 | 04:45 AM
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2005 CLS55 AMG W219 C219
Isn't it the same partnr, seeing that it starts with "211"
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Old Aug 23, 2023 | 06:13 AM
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Yes, as the CLS was built using the E Class W211 platform. Alot of parts are commonly shared between these two platforms.
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Old Aug 24, 2023 | 11:34 PM
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W211 e55 amg
Called my local dealership to place an order, was told it costs 68$, i also did get a response from VRP. They say that no water is supposed to get in when the hood is closed but im not sure if i trust that.
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Old Aug 25, 2023 | 08:23 AM
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I would get the part number from Mercedes and do a web search, as there are plenty of cheaper option available.
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Old Sep 28, 2023 | 06:43 PM
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W211 e55 amg
Sorry for the long break, just finished putting the car back together. Heres how everything looks. Got the part new from dealer for 30$. No idea why they said 60. Ive been busy with school and work and just recently finished the e63 conversion and cooling upgrades.


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Old Sep 28, 2023 | 06:44 PM
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W211 e55 amg
Heres the engine bay

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Old Oct 5, 2024 | 12:15 PM
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Originally Posted by Everlaster
Heres the engine bay
how do you like the secondary VRP radiator? the smaller one? I was planning on routing conical air filters to the front of the radiator...tight fit!
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Old Oct 5, 2024 | 01:36 PM
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W211 e55 amg
I got that second one from suvneer because of the way the hose routing. It enters through the top passenger and exits through the bottom passenger side which helps with routing and space. I like it, did see a noticeable drop in IAT temps. Definitely a little tight!
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Old Jun 3, 2025 | 12:53 AM
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I am dealing with this exact scenario right now. I have a large under ice tank and under extreme rain when I’m driving only I get water ingress into the car. Both times I’ve had massive can bus freak outs with the (car lights flashing and everything basically going wrong)

. I was able to dehumidify the car and get it all working right but I have to figure out a better solution. So right now I just have it blocked off with a piece of ABS plastic. This works until the car has to switch to fresh air automatically. It’s an issue.


I’m going to attempt to fabricate some sort of mesh between this and also the factory attachment points of the old cabin filter. I’m also gonna call some of the aftermarket companies that sell these ice tank kits and see what they offer.








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Old Jun 3, 2025 | 10:59 AM
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W211 e55 amg
The vent cover i posted earlier actually solved all the water intrusion problems. After installing it i have had no water go in, i did use some tape to cover the little holes just in case but for 30$ its a easy fix with oem MB parts.
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