Audi A8, S8 (D3) (2002-2009) – Fuse and Relay Box Diagram
In this article, we cover the Audi A8 and Audi S8 (D3 generation), produced from 2002 to 2009. You will find detailed fuse box diagrams, information about the location of fuse and relay panels inside the vehicle, and a full 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 (D3)
The D3 generation continued to use the Audi Space Frame (ASF) aluminum construction, making it lighter and more rigid than conventional steel-bodied sedans.
The Audi S8 (D3) featured a 5.2L V10 engine, offering supercar-level performance in a luxury sedan with Quattro all-wheel drive.
The D3 introduced advanced comfort and technology features, including adaptive air suspension, Multi Media Interface (MMI), and expanded safety systems such as side airbags and stability control.