Genrally repairs are just for holes like when a rock first hits. sometimes small cracks can be fixed. You will probably have to replace it.
If the crack in your windshield is small enough you may be able to fix it yourself. There are windshield repair kits that inject a resin material into the crack, if it's too large for that it can be repaired by a professional without having to replace the entire windshield.
You must replace the entire regulator.Here's howhttp://www.ricksfreeautorepairadvice.com/repair-topics/window-power-repair/replace-a-power-window-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
The ends connect to the spool that's driven by the motor.Once that come off the track or break, you cannot repair them. You must replace the entire regulator.Here's how:http://www.ricksfreeautorepairadvice.com/repair-topics/window-power-repair/replace-a-power-window-regulator
To fix a damaged window screen, you can start by removing the screen from the window frame. Then, assess the damage and determine if you need to repair or replace the screen. If there are small tears, you can patch them with a screen repair kit. If the damage is extensive, you may need to replace the entire screen. Once the repair or replacement is done, reattach the screen to the window frame securely.
You can't repair it - you have to replace it.
Must replace window regulatorhttp://www.ricksfreeautorepairadvice.com/repair-topics/window-power-repair/replace-a-power-window-motor-regulator
See this post for instructions and photoshttp://www.ricksfreeautorepairadvice.com/repair-topics/window-power-repair/replace-a-power-window-regulator
Here's how to test and repair power windowshttp://www.ricksfreeautorepairadvice.com/repair-topics/window-power-repair/replace-a-power-window-regulator
First test to see if the problem is the switch, wiring, or the motor. Here's howhttp://www.ricksfreeautorepairadvice.com/repair-topics/window-power-repair/test-power-window-motor-and-regulatorThen replace the regulator if the switch and wiring test good. Here's howhttp://www.ricksfreeautorepairadvice.com/repair-topics/window-power-repair/replace-a-power-window-motor-regulator
Remove the inside door window panel. Make sure the window is on the window track. Make sure the window linkage is not needing repair. Replace the window motor.
how to repair a window motor on a 380sl mercedes
To fix a cracked window, you can use a glass repair kit or call a professional glass repair service to replace the glass pane.