What causes for wet trunk has anybody verified?
My trunk seal seems fine, and I've made sure that it stays clean.
Is it just dry rotted underneath where I can't see it? I haven't wanted to pull it out for fear of tearing it.
Could be getting some in through tailights and emblem holes, but seems like the wet is too far forward for those causes.
Rear window?

Probably your rear window seal, or tail lights. If it is only wet in the wells on the side its probably the tail lights, otherwise its your rear window. Most likely not the badges

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81 300SD daily driver/project
86 420SEL (sold)
85 380SE(in the graveyard)

X2 on the taillights. My pass. side tail leaks because it is missing part of the gasket, I just used a little clear RTV sealant. Usually easy fix. but it could also be truck seals, Are you sure the trunk is adjusted right so the trunk makes a good sealing contact with the actual weatherstrip? Check and report back please


Thanks!

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Regards,
Ian White

1995 E300 Diesel w124 OM606
2014 E550 w212 M278 biturbo

2001 BMW 740i E38 M62 (past)
1981 300SD w126 OM617 (past)

Where is your leak? The tail light seals will leak into the side wells, the window seal can leak along the whole width of the trunk.

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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver

1982 300SD - 232K miles - Wife's Daily Driver

1986 560SL - Wife's red speed machine

Rear widow seal. Common.

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1982 300SD

Seems to be along the entire width, but floor gets wet right up to the rear body panel. Tomorrow I am going to strip the trunk, lay out some paper and get out the hose. I am suspecting more than one culprit.
Are the fogged areas of my rear window possibly where the seal is leaking?
Fogged, as in whitish, not fog like you could wipe off.
Trunk lid seems to sit nice and tight on the seal.

Just found your thread "water in w126 trunk lid" and it jarred my memory.
I, too, get water in the trunk lid. Hence my reasoning that the emblems were at fault(memory is the first thing to go). What did you ever find with yours.
Is it obvious that I seldom use the trunk?

there are MANY sources for a water leak in the trunk of an SD...
on mine, it started as the fuel filler neck seal, then tracked further to find the sunroof seal was causing water to flow down the bad motor shaft tube... next I found the sunroof seal to be a problem... VERY difficult to remedy this one, if really bad, you will find serious rust under that seal... you may need body welding and serious painting repair. a good time to get proficient with por-15!!!!

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!

Check for leak in from the outside at lower right and left hand corners just before the turn inward. This is on the outer side of outer seal.

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1982 300SD