Introducing the Mercedes Benz retrofit adaptor cable, designed to effortlessly convert your HU5 and HU5.5 head units to the latest HU6 model. This innovative cable is the perfect solution for those looking to upgrade their Mercedes Benz audio system without the need for a complete overhaul. Specifically created for retrofit and update purposes, this adaptor cable ensures a seamless transition from HU5 and HU5.5 to the HU6 head unit. Now, you can enjoy the advanced features and improved functionality of the HU6 model without the hassle of replacing the entire system. Upgrade your Mercedes Benz audio experience with this convenient and reliable retrofit adaptor cable.