My opinion on this topic can be found here:

W123 Windshield Job

I have done 2 W123 rear glass jobs and just 2 weekends ago I did my W116. The W116 was the easiest ever, taking about 5-10 minutes- it went in like a charm with non-OEM rubber.

Yes, IMO you can do it yourself and you can buy used rear glass out of a W123.

The rear glass on a W123 is thin and the first time you do this will be scary.

Rick

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80 300SD (129k mi) 82 240D stick (193k mi)77 240D auto - stick to be (153k mi) 85 380SL (145k mi) 89 BMW 535i 82 Diesel Rabbit Pickup (374k mi) 91 Jetta IDI Diesel (155k mi) 81 VW Rabbit Convertible Diesel 70 Triumph Spitfire Mk III (63kmi)66 Triumph TR4a IRS (90k mi)67 Ford F-100 (??)

Is there any consensus as to which glass manufacturer has the best replacement windshield? Ol' Yeller ('83 300D) still has the original Sekurit and it is very pitted.

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- Neil
'83 W123 (Ol' Yeller)
'82 HP 34C

This is the Dealer price, Retail and Wholesale from our dealer in Monterey, Ca.

http://www.partswebsite.com/benzpartswholesale/oemparts/mercedes-benz-137/1236700239-1236700139.html

Here are the part# case this link goes down when this search comes up months down the road, and todays price.

Front Seal, 123-670-01-39 Retail $192.00 Wholesale $153.60

Rear Seal, 123-670-02-39 Retail $129.00 Wholesale $103.20


Cheapest I have seen the rear seal, the prices fluctuate quite a bit each month.



Charlie

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there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works

Charlie;

Thanks for the link for the windshield and rear window gaskets.

Everyone;

I'm still looking for opinions about the windshield glass: OEM Sekurit versus alternatives. Don't be bashful!

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- Neil
'83 W123 (Ol' Yeller)
'82 HP 34C

Hi I am in the market for a new windshield in my 240d. Are the URO seals ok? What other options are there if they are not so good?

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.

Dealer.

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85 300D turbo pristine w 157k when purchased 167,870 July 2025
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked

I don't like URO and have had bad experiences with their front end parts, but I gave in and bought their rear window seal on a gamble. Went in well. I let the seal hang in my heated garage for a couple days to get the kinks out and to take shape. My bro in law and I did the string method with plenty of dish soap for lube, put the trim on before install (this was the hardest part, keeping it in the channel during install) and it surprised me how smooth it went in to the car. So far after several months it's holding up well and leak free. I also used plumbers putty around the outside channel. Now I need to do the front seal, it's not leaking but is dry rotted. Still debating if I want to try it.

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85 250D euro
87 300D