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  #1  
Old 02-15-2021, 01:49 PM
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W123 300TD Rear Door Seal?

I know that people are not too happy with the URO door seals vs. genuine Mercedes door seals, but...

I have a 1979 300TD wagon and I need all four door seals but from my understanding, Mercedes no longer make the rear door seals for the wagon. I can't seam to find the rear wagon seals by URO either. Has anyone used the URO rear sedan seals for the rear wagon doors? I feel like I read somewhere that someone had done that and that the sedan rear seals worked fine but now I can't find where I read that.

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  #2  
Old 02-16-2021, 12:36 AM
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The sedan and wagon use the same front doors, so the rear doors must be the same between models as well. However to be sure, I would check with the classic center in Irvine before making making the leap.
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Old 02-16-2021, 12:56 AM
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Correct, both use the same front doors but the rear doors, although very close, are indeed slightly different. The difference is in that rear, smaller fixed window. If you look at photos of both you'll see the difference. See pictures I've attached.

That being said, I recall someone mentioning that although they are different and technically use different seals, they were able to stretch the sedan seals just a bit and make it work on the wagon just fine. But I can't find where I read this and wanted to make sure I wasn't crazy before I bought some.
Attached Thumbnails
W123 300TD Rear Door Seal?-coolnvintage-mercedes-benz-w123-300d-50-59-.jpg   W123 300TD Rear Door Seal?-ian-wood-eanousa-1980-mercedes-benz-w123-300td-11-1000x667.jpg  
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  #4  
Old 02-16-2021, 07:44 AM
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I read that same thing about using sedan seals on a wagon. I bought uro seals for a car in the paint shop, but haven't tried them yet.
At the pace the shop is going, it may be another month before I try them out.
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1985 300 TD 448K
1984 300 TD 278K

1983 240D euro 240k
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  #5  
Old 02-16-2021, 11:12 AM
Grom
 
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I'm not driving concours level cars, so I have installed 6 URO door seals so far. They are just fine. Not as much material as OEM in certain areas, but no leaks so far. I can't speak to longevity because it's only been about 9 months.
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  #6  
Old 02-16-2021, 12:19 PM
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Quote:
Originally Posted by shadetreemechan View Post
I read that same thing about using sedan seals on a wagon. I bought uro seals for a car in the paint shop, but haven't tried them yet.
At the pace the shop is going, it may be another month before I try them out.
Can you just skip the paint and go put the seals on right now so you can confirm that they fit for me? Thanks! Ha ha!

No, but seriously, can you give us an update when you do actually install them because I probably won't get to mine for at least another month anyway and I would love to know how it worked out for you.

Quote:
Originally Posted by imgolden View Post
I'm not driving concours level cars, so I have installed 6 URO door seals so far. They are just fine. Not as much material as OEM in certain areas, but no leaks so far. I can't speak to longevity because it's only been about 9 months.
I installed a URO seal for the driver's door of my 300D sedan about 2 years ago and it has worked out fine regarding keeping the water out but my one complaint is that after two years the door still doesn't close in that classic Mercedes way. The seal has softened up a bit but you still have to kind of slam the door a bit or it will stumble when it closing, as if the door striker needs to be replaced, but the door striker is fine. Not the end of the world but I sure do miss that smooth Mercedes thump sound the door should make. Do you have the same problem with your seals?
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  #7  
Old 02-16-2021, 06:44 PM
Grom
 
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Quote:
Originally Posted by johnbob View Post

I installed a URO seal for the driver's door of my 300D sedan about 2 years ago and it has worked out fine regarding keeping the water out but my one complaint is that after two years the door still doesn't close in that classic Mercedes way. The seal has softened up a bit but you still have to kind of slam the door a bit or it will stumble when it closing, as if the door striker needs to be replaced, but the door striker is fine. Not the end of the world but I sure do miss that smooth Mercedes thump sound the door should make. Do you have the same problem with your seals?
I noticed that at first as well. It took a good 6 months of use to get them back to easy closing, but they are pretty good now. As you probably know, greasing the striker helps quite a bit.
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Old 02-17-2021, 07:55 AM
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Quote:
Originally Posted by johnbob View Post

No, but seriously, can you give us an update when you do actually install them because I probably won't get to mine for at least another month anyway and I would love to know how it worked out for you.


There is another thread on here about URO seals that I plan to update. URO has already PM'd me once to make sure I do the update.
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1985 300 TD 448K
1984 300 TD 278K

1983 240D euro 240k
1994 f-250 idi turbo 330K
1986 f-350 IDI
1987 F-350 IDI

1985 JD 1050 4wd
1965 IH 3660
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  #9  
Old 02-17-2021, 11:34 AM
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Quote:
Originally Posted by shadetreemechan View Post
There is another thread on here about URO seals that I plan to update. URO has already PM'd me once to make sure I do the update.
Yes, I've seen that thread. Does that mean your update will be good?
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  #10  
Old 02-17-2021, 09:21 PM
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No it will be what it will be, but they did pm me and ask about it.
They do look good in the bag. I bought a windshield seal as well and its likely I will use that before the door seal.
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1985 300 TD 448K
1984 300 TD 278K

1983 240D euro 240k
1994 f-250 idi turbo 330K
1986 f-350 IDI
1987 F-350 IDI

1985 JD 1050 4wd
1965 IH 3660
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  #11  
Old 02-18-2021, 12:03 AM
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Quote:
Originally Posted by johnbob View Post
Correct, both use the same front doors but the rear doors, although very close, are indeed slightly different. The difference is in that rear, smaller fixed window. If you look at photos of both you'll see the difference. See pictures I've attached.

That being said, I recall someone mentioning that although they are different and technically use different seals, they were able to stretch the sedan seals just a bit and make it work on the wagon just fine. But I can't find where I read this and wanted to make sure I wasn't crazy before I bought some.
With the 2 pics, we can easily see the difference, although it is just at the top rear corner. It would seem that from the bottom of the windows to the bottom of the door, front and rear are the same. As long as you are waiting to replace the seals anyway, why not do it during the summer while leaving the seals to soften in the sun before the chore? A slight stretching should be painless when warm, although mind that you have enough material for the rear upper corner.
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Last edited by 280EZRider; 02-18-2021 at 12:18 AM.
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  #12  
Old 02-18-2021, 04:18 PM
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Quote:
Originally Posted by johnbob View Post
I installed a URO seal for the driver's door of my 300D sedan about 2 years ago and it has worked out fine regarding keeping the water out but my one complaint is that after two years the door still doesn't close in that classic Mercedes way.

The seal has softened up a bit but you still have to kind of slam the door a bit or it will stumble when it closing, as if the door striker needs to be replaced, but the door striker is fine.


Not the end of the world but I sure do miss that smooth Mercedes thump sound the door should make. Do you have the same problem with your seals?

I was messing with door strikers on the 85TD and they weren't closing exactly right even after installing a new striker and lubing the latch. I adjusted the striker more and it closes perfectly.


I was out of replacement strikers so tried adjusting the other door and it closes well with a bad striker. You might try moving the striker around.



My process was to leave the bolts loose then look closely to make sure that the latch was as close to lined up vertically as possible. Next, I adjusted in & out until the door edge was flush with the body when closed.
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  #13  
Old 04-26-2021, 06:37 PM
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Hi guys, wanted to let you know that our engineers have asked the production line to make some minor updates to URO Parts Door Strikers 123 720 0104 (Front Left) and 123 720 0204 (Front Right), even though they currently get 5-star reviews on one of those big online retail sites.

The plastic insert portion is just fine, in fact some guys rebuild their original brackets with our plastic inserts. But the bend radii on our brackets could be tighter, to better match the shape of the inserts. (Our competitors' strikers have the same issue.) It'll probably be a year or so before the updated version is available. It's not a big change, but hopefully some minor quality improvements add up to good things.

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