The Audi S8, produced from 1999 to 2002 as part of the D2 generation, is a luxury full-size sedan renowned for its performance-oriented design, featuring a 4.2L V8 engine delivering 360 horsepower and the signature Quattro all-wheel-drive system. This model, manufactured in Neckarsulm, Germany, was positioned against competitors like the BMW 7 Series and Mercedes-Benz S-Class, aiming to attract discerning buyers with its blend of potent V8 power, advanced technology, and refined luxury. Its engineering quality is reflected in its aluminum spaceframe construction and the inclusion of features like the Electronic Stability Program and Anti-lock Braking System.

This System Wiring Diagram Manual provides comprehensive coverage of the Audi S8's electrical systems, essential for diagnosing and repairing complex faults. It details wiring diagrams for all major vehicle systems, including powertrain control, chassis systems, body electronics, comfort and convenience features, instrumentation, and safety systems such as airbags and seatbelt pre-tensioners. The manual also includes troubleshooting guides, component location diagrams, connector pinouts, and fuse and relay identification, making it an indispensable resource for owners, mechanics, and technicians seeking to maintain and repair this sophisticated vehicle.