This comprehensive Audi A6 S6 RS6 C5 Workshop Repair Service Manual provides detailed information for maintaining, servicing, and troubleshooting your vehicle. Covering all models, engines, trim levels, and transmission types from 1998 to 2004, this manual is your essential resource for performing repairs with confidence. Written by the manufacturer, this manual offers hundreds of pages of diagrams and detailed information for specific repairs. It offers a wealth of knowledge including: general maintenance procedures, troubleshooting guides, engine and transmission service and repair steps, brake system information, wiring diagrams, electrical system specifications, suspension details, periodic lubrication instructions, steering system components, cooling system explanations, fuel injection and fuel system procedures, emission system information, heater and air conditioning system specifications, engine control system details, chassis and body repair guidance, restraint system specifics, interior components, differential and drive system information, axle details, and much more. The manual is structured with numbered instructions, bold figure numbers for easy illustration matching, detailed drawings and photos to guide you through every procedure, enlarged insets for close-up views of parts, and a numbered table of contents for swift navigation. These elements make it easy to locate specific information and complete repairs efficiently. This manual is the same resource used by professional service and repair shops, ensuring you have access to the most accurate and complete repair information available.

The Audi A6, S6, and RS6 models from the C5 generation, produced between 1998 and 2004, represent a significant step forward for the German automaker. Built on the Volkswagen Group's MLB platform, these cars offered a blend of luxury, performance, and practicality that resonated with customers. The A6, the base model, was available with a range of engine options, including powerful V6 and V8 units, catering to a wide spectrum of driving needs. Stepping up the ladder, the S6 offered a more focused driving experience powered by a 4.2-liter V8 engine producing an impressive 340 horsepower. The RS6, however, took performance to another level, featuring a twin-turbocharged 4.2-liter V8 that delivered a staggering 450 horsepower. The RS6 was a genuine performance car, capable of accelerating from 0 to 60 mph in under 5 seconds, while still maintaining the comfort and refinement expected from an Audi. All three models featured quattro all-wheel drive for enhanced grip and stability, while the interior offered a premium feel with high-quality materials and a driver-focused cockpit. The C5 generation of the Audi A6, S6, and RS6 were praised for their sophisticated design, exceptional handling, and powerful engine options, solidifying their position as formidable contenders in the luxury sedan segment.