Specific cable kit for retrofitting the rear speakers on a Mercedes Benz Sprinter 907/910 This cable kit connects the rear speakers to the head unit Suitable for the following factory infotainment systems: MBCONNECT - 5 (E1A) MBUX multimedia system with 7 inch touchscreen NTG 6 (E3M) MBUX multimedia system with 10.25 inch touchscreen NTG 6 (E4M) Selectable options: MBUX multimedia system with 10.25 inch touchscreen NTG 6 (E4M) MBUX multimedia system with 7 inch touchscreen NTG 6 (E3M) + MBCONNECT - 5 (E1A) Scope of delivery: Cable kit Notes: The coding dongle 47746 is also required for coding