Audi A6. battery location can be found in the trunk. Simply open up your trunk and lift the handle on the floor of the trunk to reveal the battery, which is found right next to your spare tire. Depending on the model year, it's also possible your Audi's battery might be found below the spare tire. Ready to recharge your. Vehicle Battery Part Number: 000915105DL Supersession (s) : 000-915-105-DL; 000915105AK; 000915105AKDSP; 000915105DLDSP; 4D0915105C; 915105DL Vehicle Battery. 110 amp hour. 110AH/520 amp. 2013-2016. 520 amp. 520 CCA. A power source for a Vehicle's electrical system. CONVENTIONAL. Sedan 520 amp. Top Terminal. A6 (C7 Platform) Discussion - Battery Location - Question: where is the battery located on a 2016 A6? Called the dealer, and they said underneath the driver's seat. Apologies if this has been answered before - did a search and didn't see anything. 9IDzg.