Audi A8, S8 (D4) (2009-2017) – Fuse and Relay Box Diagram
In this article, we cover the Audi A8 and Audi S8 (D4 generation), produced from 2009 to 2017. You will find detailed fuse box diagrams, information about the location of fuse and relay panels inside the vehicle, and a complete explanation of each fuse and relay function (fuse layout). This guide is useful for electrical troubleshooting, fuse replacement, and routine maintenance.
3 Facts about the Audi A8 / S8 (D4)
The D4 generation continued using the lightweight Audi Space Frame (ASF) aluminum construction, improving fuel efficiency, handling, and overall vehicle dynamics.
The Audi S8 (D4) is powered by a 4.0L twin-turbo V8 engine, delivering impressive performance while maintaining luxury sedan comfort.
The D4 introduced advanced technology features such as adaptive cruise control, Audi MMI touch infotainment, night vision assist, and predictive active suspension.