Could you see if you have white nylon "sliders" with "ears" somewhere.
If you do, could you post a pic of where they go? I found one in the right
track of my sunroof on a 123. The sunroof works fine, but I'd like to make it correct, thanks

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85 300TD FED-Daily
84 300SD-Wife's
86 XJS-Sunday
66 GMC-Work- Given to my stepson
83 BMW Airhead- Given to my stepson