Plastic slider / glider piece which attaches the window glass to either left or right rear window on any w123 chassis coupe such as 300CD or 280CE

One slider is required for each rear window (a total of 2 required for each car).  The price above is for a quantity of ONE slider, so if you want two sliders, simply add a quantity of "2" to your shopping cart.  There is a discount if you buy more than one at the same time, and more likely than not, if you have one that has failed, the other side should also be replaced as well just as a preventative measure.

Might fit manual rear coupe windows, but seller has not verified this since these are pretty rare.

This piece is a common wear item and is frequently found broken and/or worn out.  It is not available for purchase separately from Mercedes.  The seller has designed a piece out of a much more durable abrasion-resistant plastic than the original design which should last a very long time and has tested this in actual customer cars to ensure a good fit.  I.e. for local buyers where I do the installation, I offer a LIFETIME replacement warranty.  I have enough confidence in the part where if it fails, I absorb my own labor time to pull the part out and replace it.  I have not had ANY reported failures in over 5 years since making this product.