Unable to sign in to your account
If you're having trouble signing in to your Merchant Center account, please make sure that you're using the correct email address and password. If you're using the correct username and password, try deleting your cookies and cache before trying to access Merchant Center again. Additionally, please enable SSL 2.0 and cookies and confirm that any automatic configuration scripts or proxies that you're using aren't disabling cookies. Learn more about enabling cookies.
If you've forgotten your password, follow the steps in change or reset your Google Account password.
Contact us to change your sign-in email address, as users aren't able to change their sign-in email directly.
Deleting an account
You can remove the contents of your Google Merchant Center account by removing your product and your website URL from the Business information page. You can also permanently delete the account that's associated with the Google Merchant Center. Learn more about how to delete your Google account.