Amazon.com: ELONN MDI/AMI USB Adapter Cable - VW Media in to USB,AMI to USB,MMI to USB, Compatible with Volkswagen Audi Mercedes Media/Music Interface - Not Compatible with Cell Phone & iPod :
25 Ft. Parallel Cable 9 Pin Male / Female AWM 2464 VW-1SC 80C 300V 28AWG - Walmart.com