This comprehensive Audi A6 S6 RS6 (2004) repair manual provides you with the complete and official service information you need to maintain and repair your vehicle. Covering all models, including 4B, 4B2, 4B4, 4B5, 4B6, and 4BH, this manual offers in-depth guidance on a wide range of topics.

From general information about your vehicle to detailed instructions on components like the audio system, brakes, driveline, electrical system, lights, restraints, steering, suspension, body and frame, interior and exterior, engine, transmission, tires and wheels, HVAC, and wiring diagrams, this manual equips you with the knowledge to handle a variety of repairs and maintenance tasks.

Whether you are a seasoned mechanic or a DIY enthusiast, this manual serves as an invaluable resource. Its extensive coverage and detailed instructions make it easy to understand and follow, allowing you to confidently address any maintenance or repair needs.

The Audi A6, S6, and RS6, produced between 2004 and 2008, represent a pinnacle of performance and luxury within the German automotive landscape. These models, denoted by the internal code designations 4B2, 4B4, 4B5, 4B6, and 4BH, represent the second-generation C5 platform for the A6, which was launched in 1997. The 2004 facelift brought significant upgrades, including a sharper design language, revised interiors, and enhanced performance options. The A6 offered a variety of engine options, ranging from the efficient 2.0-liter four-cylinder to the powerful 4.2-liter V8. The S6, the performance variant, featured a 4.2-liter V8 engine producing 354 horsepower, while the RS6, the top-of-the-line model, boasted a 4.2-liter twin-turbo V8 that delivered a staggering 450 horsepower. The S6 and RS6 were equipped with a quattro all-wheel-drive system and a six-speed manual or Tiptronic automatic transmission. These models offered unparalleled driving dynamics, combining the sleek elegance of the A6 with an exhilarating performance that set them apart from the competition.

The 2004 A6, S6, and RS6 models were meticulously crafted with premium materials and technologies. The interior featured driver-centric ergonomics, leather upholstery, wood trim, and a state-of-the-art infotainment system. Safety was also a paramount concern, with advanced features such as multiple airbags, anti-lock brakes, electronic stability control, and traction control. These models were designed to provide a comfortable and secure driving experience, no matter the road conditions. The A6, S6, and RS6 offered a compelling blend of luxury, performance, and technology, making them a highly sought-after choice for discerning drivers worldwide. Their reputation for engineering excellence, distinctive styling, and impressive capabilities continues to solidify their place as icons in the automotive industry. This repair manual provides comprehensive technical information for owners, mechanics, and enthusiasts seeking to maintain and enhance these exceptional vehicles.