Saw a 420 SEL the other day. In fact I was trying to buy it before I found the 560. I noticed the rear defrost had rather thick, ugly copper lines in the window.

Mine has lines so thin that I did not even think I had defrost! Just a switch to look at.

What was standard? Was the thin wire normal or an upgrade? Was it only on the 560? Did the 420 simple have a new window installed?

Just curious.

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1991 560 SEL / 185k miles
1992 750il / 17k miles - project car

Probably had the window replaced. Did you see the markings on the glass to see who had manufactured it?

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1989 300CE

A friend had a 500SEL which had had the laminated rear window replaced with a single pane one, which had the "traditional" thick painted on defroster lines. The original window had delaminated and was leaking according to the PO.

-J

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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket

Tesla Model 3. 205,000 miles. Been to 48 states!
Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels.
2014 Cadillac ELR
2013 Fiat 500E.

Okie dokie. Was just wondering. And no I did not look at the glass maker. If I had I am sure I would have answered my own question. But I hate snooping around a car too long.

And I must say that I LOVE the thin wire style MUCH better. It looks so much cleaner.

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1991 560 SEL / 185k miles
1992 750il / 17k miles - project car