In Car AMI MDI Music Interface USB Aux Audio Cable for Mercedes Benz C63 E200L GLK GL C SL Class Brand new Premium 1.4 meter convenience cable for Mercedes Benz MIP MIC MMI interface to 3.5mm Head Phone Jack plug. This cable only interfaces the audio all other controls must be made on the audio device itself. Allows you to listen from mp3,Cellphopne Galaxy S3/S4 Note1/2 Portable Player or iPhone iPhone5 iPad iPod that has a 3.5mm (or headphone) output plug through your Benz audio systems The MMI interface can be found in either the glove box or arm rest.