Had yet ANOTHER window regulator glide break on me today. Right rear window glide broke on the way to work. Started to drizzle and went to roll the windows up and hear traffic noise still. Looked back to see the damn window still down.

Got tired of dealing with such a lousy crap design, so I decided to redneck-repair it permanently. Did both rear windows the same way since they seem to be the ones to break.

Original glides were broken when I got the car. Got some OEM glides and caught one of them with a hammer when flattening the rivet in place. Replaced with some solid ones from a certain "Source" (don't waste your time or money). Such a simple design and such a colossal engineering oversight.

This time around I made my own out of solid UHMW plastic (aka Teflon). Self-lubricating, extremely durable stuff. Pretty sure these glides will be in place when the car has rusted away in the scrap yard. Some future archaeologist will be wondering what these blue squares were used for!

Turned down a 3/8 shouldered bolt on the lathe to be my pivot spacer. Machined the lower end down to 5/16 and tapped to 5/16-18. Punched out a UHMW spacer to go behind the shoulder and locked in place with a self-locking nut. No interference with anything in the window mechanism and works perfectly!

I made 2 extra sets for when (not if) the front ones go.

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Current stable:
1995 E320 149K (Nancy)
1983 500SL 120K (SLoL)

Black Sheep:
1985 524TD 167K (TotalDumpster™)

Gone but not forgotten:
1986 300SDL (RIP)
1991 350SD
1991 560SEL
1990 560SEL
1986 500SEL Euro (Rusted to nothing at 47K!)