Marsh U.S. Consumer does offer various online services that may allow policyholders to make changes to their insurance policies. Typically, these options could include updating personal information, adjusting coverage limits, or adding new vehicles or property. However, the specific capabilities available online can vary depending on the type of insurance product and your individual policy. It is also important to note that some changes may require direct communication with a representative to ensure that everything is processed accurately and efficiently. To find the most current information about managing your policy online, including any necessary steps for making changes, it is advisable to visit the official Marsh website. There, you can explore their services and learn more about the online tools they provide for policy management.