Is there a limit for length of Circle messages? (OPT-IN) November 06, 2020 16:05 Updated Circle messages may be up to 160 characters in length. Related articles Is Circles chat “real-time”? (OPT-IN) Can I send photos or other images to Circle members? (OPT-IN) Welcome to MentorSM by eDriving! If I don’t read a message for few days, will the message be lost? (OPT-IN) Mentor says I was speeding but the speed limit was wrong. What can I do?