Only place I could find the part was in the UK. I am still looking for a US supplier.
http://www.mx5parts.co.UK/product_info.php/products_id/226
You will have to replace the complete window regulator assembly.
replace window regulator assembly.
the cable is frayed ,you will have to replace the window regulator motor assy.
If the window regulator cable has failed, the entire regulator will have to be replaced.
To replace a broken cable on a Mercedes E320 window, first, remove the door panel by unscrewing any fasteners and gently prying it off. Then, disconnect the window motor and remove the old cable from the regulator. Install the new cable by threading it through the regulator and reconnecting the motor before reassembling the door panel. Finally, test the window to ensure it operates properly.
Replace the regulator. Once the cable comes off, it's toast. That usually means there's a broken plastic guide. They cannot be purchased separately.
You must replace the entire regulator.Here's howhttp://www.ricksfreeautorepairadvice.com/repair-topics/window-power-repair/replace-a-power-window-regulator
You need to replace the entire regulator assembly.
The cable has slipped off a guide or is broken. The regulator is toast. Replace it. Here's a post on how to do it.http://www.ricksfreeautorepairadvice.com/repair-topics/window-power-repair/replace-a-power-window-motor-regulator
Can't be done. You must replace the entire window regulator.Here's howhttp://www.ricksfreeautorepairadvice.com/repair-topics/window-power-repair/replace-a-power-window-regulator
window regulator cable is broken need new regulator
You will have to remove the door panel and replace the regulator assembly. In some cases it comes as an assembly with the motor.