This XM Direct package for Mercedes and BMW vehicles will allow your Satellite-Ready radio to have XM Satellite Radio service fully integrated. Once installed, there will be no other devices on your dashboard for a finished, factory installed look and feel. You will be able to change adjust volume, channels, and set up presets with your existing Satellite-Ready Mercedes/BMW factory radio. For use with satellite-ready radios in conjunction with included XM-approved XM Direct Smart Adapter. This product features concealed hardware providing seamless integration. Package Details: Includes: • Hideaway XM Receiver • Interface Cables • Magnetic-Mount XM Antenna • Smallest Satellite Radio Demodulator in the industry • Miscellaneous Parts Technical Specifications: Model #: XMDBMK Manufacturer: TERK Dimensions: n/a Weight: n/a Available Documentation: In order to view our radio hardware manuals online, youll need to have Adobes Acrobat Reader installed on your computer. If you dont yet have Acrobat Reader, please visit Adobes web site to download the reader free of charge. none