Looking for logging into the Google Merchant Sign Up site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Google Merchant Sign Up site. After that you can login as usual with your login credentials.
https://merchants.google.com/Signup
https://support.google.com/merchants/answer/188924?hl=de
https://www.google.com/retail/solutions/merchant-center/
https://accounts.google.com/Login?service=merchants
https://www.create.net/support/an-introduction-to-google-merchant-center
https://www.en.advertisercommunity.com/t5/Shopping-and-Merchant-Center/Cannot-log-into-Merchant-Center-Adwords-account-active/td-p/462436
https://www.en.advertisercommunity.com/t5/Shopping-and-Merchant-Center/Adding-a-second-account-to-google-merchant/td-p/1149277
https://www.en.advertisercommunity.com/t5/Shopping-and-Merchant-Center/How-to-Create-Google-Merchant-Center-account/td-p/307641
https://www.udemy.com/adwords-and-google-merchant-center-advertising-products/
https://www.quora.com/I-cant-access-Google-merchant-center-whats-wrong
https://www.shopify.co.uk/guides/google-shopping-guide/4-pla-set-up-and-account-creation
https://squarefeed.io/how-to-set-up-your-google-merchant-feed/
https://www.disruptiveadvertising.com/ppc/ecommerce/google-merchant-center/