This article will detail how to upload a feed-view to Google Merchant Center, using the URL
After getting the feed-view URL, head to Google Merchant Center and select Products from the left toolbar:
Select: Create Product Feed
Input country of sale and language, and select destinations:
Give the feed a name, and select Scheduled fetch:
Input the name again, and paste the copied URL:
In order to get the feed right away, click on the feed you just created:
Select Fetch Now:
The feed will be processed and uploaded.
Note: this method will ensure the feed will update in Merchant Center once a day. If you require more frequent updates, please set up an FTP upload.