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1998 Franken-ML, 2002 ML55
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The 2002 ML55’s original carpet was worn and stained enough that I rather despaired of ever cleaning it sufficiently to really look good. Recently, a 2002 ML320 showed up at the junkyard (the infamous weird option car) with a very nice carpet. I was swapping them out last night after giving the new carpet a hood scrub to remove the few stains and dirt spots it did have, and found this wonderful legacy of the disconnected drain hose:
Tire Wheel Automotive tire Hood Bicycle tire


In addition to the lake under the floor structure, while the carpet itself was dry, the padding was dripping wet. I ended up having to tear it out in pieces because it was so heavy. Fortunately there were no signs of fresh water intrusion.
 

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1998 Franken-ML, 2002 ML55
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642 Posts
Well, bloody hell. It has been raining, at times really hard, all day. I went out to see if the drain tube was working right, as it did in testing, and there is some moisture trickling down the inside wall by the fuse panel in the passenger footwell. I wasn’t able to see if the hose is still connected properly, but the volume of water does not appear to be anywhere close to what I’d expect from a disconnected drain hose. Assuming that the hose is still connected to the elbow, what else could be allowing water intrusion there? I’m having trouble thinking of anything.
 

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W163 and General M Gremlin
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8,524 Posts
Discussion Starter · #23 ·
Remove the A pillar cover and check if any evidence of water intrusion on the backside of the A pillar cover itself. If so, water from above coming either from the drain hose connection at the sunroof corner drains, or windshield glass / A pillar interface (very remote chance of this).

Have you checked the cowl drains outside under the screen guard, just below the bottom of the windshield on the ps?

Automotive tire Automotive exhaust Automotive fuel system Motor vehicle Muffler
 

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1998 Franken-ML, 2002 ML55
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642 Posts
I may run outside in a little while to check the A pillar trim. I haven’t checked the cowl drains.

I also just ordered a 50’ roll of Gates Safety Stripe heater hose, 1/2” ID, 3/4” OD, to replace that passenger side drain hose and any others in the two MLs that may have shrunk.
 
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