C36 AMG, C43 AMG (W202) 1995 - 2000

Water drain exit ports on C-pillars?

Old Apr 22, 2020 | 02:19 PM
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C43 AMG with a tune up
Water drain exit ports on C-pillars?

I borrowed this photo from PJmak, thank you very much.

I have highlighted red lines around rear window screen where water travels behind the decor trim.
I wonder where water exits are placed on C-pillars?
Are there any exit ports on the bottom part of the body behind window decor trim?

Should we worry about rust on C-pillars when it's always wet and humid behind window trim?
Please see the photo.

Thanks

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Old Apr 22, 2020 | 02:43 PM
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05 c55 silver, 98 Imperial Red C43
You are welcome

I believe it just drains down the side of the trunk. I dont see anything else there where water could go. Ill end up going behind the rear bumper most likely
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Old Apr 22, 2020 | 03:36 PM
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As these cars the w202 do rust in strange ways I would have believed that MB had fitted rubber hoses or designed small opening slots on the bottom part of the rubber and metal trim?
I dunno?
When you high pressure clean your car with a water turbo jet Kaercher, lots of water entering behind window trim, water has to come out somewhere?
Behind rubber trim it's always wet and humid and will cause future rust issues if it doesn't dry!

The very best car in the world the famus C126 - 560SEC series had serious rust issues behind the rear window seal trim!!
Such great car had a stupid design flaw collecting water?
Don't want to have the same issues with my car if it's a similar design?
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Old Apr 23, 2020 | 05:56 AM
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12' W204 C63 AMG coupe "T-Rex", 12' W451 Smart Fortwo Pulse (99' W202 C43 AMG + Ultima Can-Am sold)
I don't recall reading about rust problems in that area with w202 chassis. I imagine that if the underside behind the trim is free of old leaves and other such crap, it should not promote rust there
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Old Apr 23, 2020 | 07:51 AM
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Originally Posted by DRBC43AMG
I don't recall reading about rust problems in that area with w202 chassis. I imagine that if the underside behind the trim is free of old leaves and other such crap, it should not promote rust there
When you pop the trunk all the way up, you can see the horizontal drain canal going under the window, leaves and debris gets stuck there, need to clean the drain for water to exit on the side canals next to the tail lights.

The w210 which is known as the rust bucket in many european countries, these cars had hidden rust traps under weather seals, the w202 doesn't have the same design but it's not far from w210.
As both these cars are prone to rust it's a good thing to look for rust and debris around the car from time to time to catch it on time and fix any problems that might occur?
Small issues caught on time are much easier to fix than letting it grow to a bigger issue.

Last edited by MattCordell; Apr 24, 2020 at 11:28 AM.
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Old Apr 24, 2020 | 05:12 AM
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12' W204 C63 AMG coupe "T-Rex", 12' W451 Smart Fortwo Pulse (99' W202 C43 AMG + Ultima Can-Am sold)
I'll check this out, but as the vehicle was resprayed a year ago, I imagine any rust issues there would have been treated and the painter didn't mention anything
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Old Apr 24, 2020 | 11:27 AM
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Went for a drive today so I decided to pop the trunk and check the Suez canal that goes below the rear window, I had some debris there as in small leafs nothing major.
Just keep it free from crap and water will flow freely away from the car

There are no exit holes under window rubber seals for water to exit if water enters inside window trim when it rains or when you wash your car.

Last edited by MattCordell; Apr 24, 2020 at 11:30 AM.
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