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windshield replacement

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Jim Hansz's picture
Kalispell, MT
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1990 420SEL
1969 230

Anything tricky about replacing the front glass in a 1990 126? I'm planning to use a genuine MB glass and my local glass shop has always done an excellent job on other cars, including my 114. They seem pretty confident even though they don't work on many 126 sedans.

Thanks,

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Re: windshield replacement

There is a wiper park position warmer in the lower right, shouldn't get in the way but they might wonder what it is. Also, the butyl tape used to adhere the glass to the car is removed by heating it up. There is a copper wire embedded in the tape just for this purpose. They should not be cutting this windshield out without using the heating wire.

The ends of the wires are near the battery, lower passenger side of the windshield. Dig them out, bare the ends, and attach them to the battery. It'll get hot and start smoking, usually it heats for about 15 minutes.

Don't let them install the glass with their usual urethane adhesive: Insist on the MB Butyl tape. Buy it for them if you have to. The original part number was A126 670 01 93, it may have been superseded by now. Basically, you lay down the slightly-sticky tape, set the glass onto it, and heat it up for 15 minutes to adhere it. Let it cool 2 hours, and drive away.

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Jim Hansz's picture
Kalispell, MT
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1969 230
Re: windshield replacement

Thanks, Don. I'll pass this on to the shop and they can get the install kit when they order the glass. I'll also print the manual data so they have it for reference. Any idea why the unique tape is used rather than the more typical adhesive that is commonplace today? Do the new MBs still use this method?

I was down at the Missoula dealer last Friday and checked out the glass parts and trim pieces...got all the part numbers and prices. The counter guy did not mention the install kit...any chance it is not used these days, or was he just not aware of it? (putting my money on the latter...)

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Jim Hansz's picture
Kalispell, MT
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1969 230
Re: windshield replacement

Don, follow -up info from the WS shop:

They checked with the Spokane dealer who will supply the glass to check on the installation kit you mentioned...seems it now consists of two tubes of adhesive and a applicator gun (just like what the shops use now) and that he, the dealer counter guy, had not ordered one for over ten years because all the shops are advised to just use their standard adhesive systems for European cars. Apparently there is a special adhesive for euro-model cars, which my shop uses when working on European cars. Also, the shop is quite familiar with the original heated tape and are planning to heat it for removal of the old glass.

Anonymous
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Re: windshield replacement

Well, it doesn't surprise me that the tape isn't available. And I guess urethane adhesive is just about the same everywhere.

No, newer cars don't use the heat wire system. I was particularly familiar with the system used in the 126 though and thought I'd offer my 2 cents.

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Jim Hansz's picture
Kalispell, MT
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1969 230
Re: windshield replacement

Update:

Shop installed the new MB glass yesterday. Went smooth as glass...no problems at all. They used the modern urethane adhesive, no tape, and there is no visible difference. I did notice one other interesting thing...(interesting to me at least)...the new glass is not from the original German supplier Sigla. (My last 114 windshield installed two years ago is OEM Sigla) The new glass is made by PPG; it has the MB star (on the opposite side of the glass, lower right corner rather than lower left), and it fits perfectly, as you would expect, but it is not the OEM brand.

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Re: windshield replacement

The OEM brand is the brand the OEM is currently buying. Unless manufactured in house, sources of supply are always changing. Some of the steering parts for your car are sourced from MOOG and made in Turkey. Fuel sender is sourced from VDO and made in the Czech Republic. Like us, Germany has also exported a fair number of jobs.

Pittsburgh Plate Glass (PPG) has been making auto glass for a long time and does a good job of it.

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1989 560SEC
Re: windshield replacement

Most recent MB glass (factory or aftermarket) for young classics is made either by PPG or Pilkington. My 560SL got a new PPG windshield about 5 years ago; my 1994 E500 got a Pilkington windshield about two years ago. I've seen Pilkington as factory glass on MBs from the last decade or so. Haven't seen Sigla on a new MB for many years now.

Cheers,
Gerry

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Jim Hansz's picture
Kalispell, MT
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1969 230
Re: windshield replacement

Interesting...I wonder if the new replacements for the 114 are US made or still German? Maybe I got a NOS SIGLA replacement when my 114 was done. Makes no difference, really, windshield fits great and is nice and clear with no cracks...that's what counts.

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1989 560SEC
Re: windshield replacement

It's probable that for a 114, your windshield was NOS. I haven't seen a piece of new SIGLA glass manufactured for a Benz in probably 10 years.

Cheers,
Gerry

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