E-Class (W211) 2003-2009

2008 W211 E350 Pano Roof Water Intrusion

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Old Dec 6, 2022 | 01:37 AM
  #1  
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2008 E350 AMG
2008 W211 E350 Pano Roof Water Intrusion

I have researched this car way too much. So many days. I checked all of the drains and they are working.

However I can’t find any drains on my pano roof looked up Car ID pano and it does not show any drain hose. I also removed the headliner. It appears the pano roof drains into the outside of the pillars down the outside of the windshield.

Does the pano roof have drains for this year? Passenger side leaks into front fender wheel well. The driver side leaks into cabin and footwell.

I think it’s coming in thru my windshield glass? I have researched all of the Mercedes’ drains and cleaning procedures I’m stumped. Any guidance would be appreciated.

2008 E350 with 185k miles going strong.

thank you
AG
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Old Dec 6, 2022 | 10:21 AM
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Should be 4 drains: 2 front @ a-pillars, 2 rear @ C-pillars. One common leak point is where drain connects to frame.



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Old Dec 6, 2022 | 05:07 PM
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2008 E350, 2012 ML350, 2014 E350, 2015 ML350
Have you also looked at the corner between the cowl + windshield pillar + drain hose?


Last edited by JCM_MB; Dec 6, 2022 at 05:14 PM.
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Old Dec 7, 2022 | 11:52 PM
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Thanks for the diagram, much appreciated. I Loosened corner of the headliner and I could not find the drain hose.I Did not see any drips/dribbles/ moisture from the inside sun roof area. Any suggestions where to lo look next??






Attached Thumbnails 2008 W211 E350 Pano Roof Water Intrusion-379b8ad3-d20f-4a4e-90b2-74a03bd89b4e.jpeg  
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Old Dec 8, 2022 | 12:04 AM
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2008 E350 AMG
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Old Dec 8, 2022 | 03:29 PM
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See if you can view by removing water repellent, see attachment.
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solar repellent.pdf (98.5 KB, 121 views)
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Old Dec 13, 2022 | 10:36 PM
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I removed the repellent did not find drain hose. But I believe I see a drain hose going down A pillar by the SAM module. I also see a potential crack in roof frame I will RTV. See pics attached. Thoughts?

on a good note I was successful in replacing the oil housing gasket and cooler leaking gaskets.

thanks
AG




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Old Dec 13, 2022 | 10:37 PM
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2008 E350 AMG
Hos

Drain hose by SAM?
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Old Dec 14, 2022 | 11:06 AM
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If, in fact, cowl, windshield, AC condensation line (located side of transmission), and inspection behind left foot well panel shows fine thought glass gasket might be culprit to circumvent dropping frame. Unfortunately, frame needs to be removed for proper inspection.
Attached Files
File Type: pdf
solar roof frame.pdf (124.3 KB, 133 views)
File Type: pdf
windshield molding.pdf (49.5 KB, 129 views)
File Type: pdf
water repellent.pdf (66.6 KB, 90 views)
File Type: pdf
Remove_install headliner.pdf (1.49 MB, 76 views)
File Type: pdf
solar front sun blind.pdf (143.5 KB, 107 views)
File Type: pdf
solar rear sun blind.pdf (154.4 KB, 83 views)
File Type: pdf
A-pillar.pdf (74.1 KB, 86 views)
File Type: pdf
grab handle.pdf (36.7 KB, 51 views)
File Type: pdf
B-pillar.pdf (294.5 KB, 69 views)
File Type: pdf
C-pillar.pdf (150.5 KB, 75 views)
File Type: pdf
OCP.pdf (240.6 KB, 94 views)
File Type: pdf
solar rear dome lamp.pdf (216.1 KB, 76 views)
File Type: pdf
solar OCP2.pdf (167.8 KB, 80 views)
File Type: pdf
floor cover removal left.pdf (333.0 KB, 88 views)
File Type: pdf
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