What are the requirements for creating a password for my By Miles account? Forgotten, Login, Username, Password, Reset All passwords should have a minimum of 6 characters, and include at least one capital letter and one number or special character. Related articles Can I log in without a password? How do I get in touch? I'm trying to get a second policy with you. Why can't I use the same email address? How do I change my registration plate? How do I connect my Mercedes account to By Miles?