This comprehensive service and repair manual is your ultimate guide to maintaining and repairing your Audi A6, S6, and RS6 (1997-2005) models, encompassing the 4B, 4B2, 4B4, 4B5, 4B6, and 4BH chassis codes. The manual provides detailed information covering virtually every aspect of your vehicle, from routine maintenance to complex repairs.

Dive into the intricacies of your Audi with sections dedicated to general information, accessories and equipment, audio and telematics systems, braking systems, driveline and axles, electrical systems, lighting, restraints, steering, suspension, body and frame, interior and exterior, mechanical engine components, transmission, tires and wheels, HVAC systems, and complete wiring diagrams. With its in-depth coverage, you'll have the knowledge and resources to address any issue that arises, ensuring your Audi continues to deliver the performance and reliability it's known for.

The Audi A6 (C4), S6, and RS6, produced from 1997 to 2005, represent a significant era in the evolution of Audi's executive saloon, showcasing both refined luxury and thrilling performance. Based on the 4B platform, these models built upon the success of the previous generation, offering a more refined and spacious cabin, advanced technology, and a wider range of engine options. The A6 was available with a diverse selection of petrol and diesel engines, catering to various requirements. The S6, however, upped the ante with a powerful 4.2-liter V8 engine, generating an impressive 340 horsepower and delivering a blend of comfort and sportiness. The RS6, the ultimate performance variant, took things to a whole new level with a 4.2-liter bi-turbo V8 producing a staggering 450 horsepower. This powerful engine, paired with Audi's quattro all-wheel-drive system, made the RS6 a true performance icon, captivating enthusiasts with its blistering acceleration and exceptional handling.

The exterior design of the C4 A6 and its performance derivatives reflected a mature and sophisticated aesthetic. The clean lines, sharp angles, and understated elegance defined the brand's design language during this period. The S6 featured subtle visual cues, such as a more aggressive front bumper with larger air intakes, side skirts, and a rear diffuser, subtly hinting at its enhanced performance capabilities. The RS6, however, embraced a more overt and aggressive design, featuring wider wheel arches, a prominent rear spoiler, and large, oval exhaust pipes, clearly signaling its performance pedigree. Inside, the cabin offered a premium ambiance with high-quality materials, comfortable seats, and a user-friendly dashboard layout. The A6, S6, and RS6 equipped with Audi's innovative quattro all-wheel-drive system, ensuring exceptional traction and handling in all weather conditions. The combination of powerful engines, sophisticated technology, and a refined driving experience made the C4 A6, S6, and RS6 desirable choices for discerning drivers who appreciated both luxury and performance.