Segment:
        
        
            Executive Sports Sedan
        
     
    
        
            Target Audience:
        
        
            Enthusiasts seeking performance and luxury, DIY mechanics, professional technicians
        
     
    
    
        
            Competitors:
        
        
            BMW 5 Series (E39 M5), Mercedes-Benz E-Class (W210 E55 AMG), Jaguar S-Type R
        
     
    
    
        
            Vehicle Strengths:
        
        
            Powerful V8 engine, standard Quattro all-wheel drive, luxurious interior, comfortable ride, sophisticated design
        
     
    
        
            Manual Value Proposition:
        
        
            Provides comprehensive, accurate, and actionable information for maintaining and repairing the Audi S6 C5, enabling owners and technicians to perform work efficiently and effectively.
        
     
 
    
    
    
        
            Powertrain:
        
        
            Engine (4.2L V8), Transmission (5-speed Tiptronic Automatic), Drivetrain (Quattro All-Wheel Drive)
        
     
    
        
            Chassis:
        
        
            Suspension (front: independent double wishbone, rear: independent multi-link), Steering (rack and pinion with hydraulic power assistance), Brakes (front/rear: ventilated discs, ABS, EBD)
        
     
    
        
            Electrical:
        
        
            Engine control modules (ECU), comfort electronics, lighting systems, instrument cluster, audio system, power accessories
        
     
    
        
            Body:
        
        
            Exterior body panels, interior trim, seats, doors, windows, sunroof, bumpers
        
     
    
    
        
            Maintenance Tasks:
        
        
            Oil changes, filter replacements, fluid checks/changes, spark plug replacement, belt inspections/replacements, brake pad/rotor replacement, tire rotation
        
     
    
        
            Repair Tasks:
        
        
            Engine component removal/installation (e.g., alternator, starter, cooling system), transmission service, suspension component replacement, brake caliper overhaul, electrical component diagnosis and replacement, body panel repair
        
     
    
        
            Diagnostics:
        
        
            Troubleshooting guides for common issues, diagnostic trouble codes (DTCs), component testing procedures
        
     
    
        
            Adjustments:
        
        
            Wheel alignment, parking brake adjustment, headlight aiming, door alignment
        
     
    
    
        
            Detail Level:
        
        
            Comprehensive step-by-step procedures with detailed explanations, pictorial diagrams, exploded views, and photographs.
        
     
    
        
            Special Tools:
        
        
            References to specific Audi special tools and their usage.
        
     
    
        
            Specifications:
        
        
            Tightening torques, fluid capacities, wear limits, electrical schematics, component specifications.
        
     
 
    
    
    
        
            Engine Code:
        
        
            AGN (typically used for 4.2L V8 in this era, though specific S6 codes may vary slightly)
        
     
    
        
            Configuration:
        
        
            4.2L naturally aspirated V8
        
     
    
        
            Displacement:
        
        
            4172 cc (254.6 cu in)
        
     
    
        
            Valve Train:
        
        
            5 valves per cylinder, DOHC (Dual Overhead Camshafts)
        
     
    
    
        
            Horsepower:
        
        
            Approximately 340 PS (335 hp) at 6600 rpm
        
     
    
        
            Torque:
        
        
            Approximately 420 Nm (310 lb-ft) at 3400 rpm
        
     
    
    
        
            Injection:
        
        
            Multi-point Fuel Injection (MPI)
        
     
    
        
            Fuel Type:
        
        
            Premium Unleaded Gasoline (91 Octane or higher recommended)
        
     
 
    
    
    
        
            Length:
        
        
            Approx. 4880 mm (192.1 in)
        
     
    
        
            Width:
        
        
            Approx. 1810 mm (71.3 in)
        
     
    
        
            Height:
        
        
            Approx. 1450 mm (57.1 in)
        
     
    
        
            Wheelbase:
        
        
            Approx. 2760 mm (108.7 in)
        
     
    
    
        
            Curb Weight:
        
        
            Approx. 1800-1850 kg (3968-4079 lbs)
        
     
    
        
            Gross Vehicle Weight Rating:
        
        
            Varies by market and specification, typically around 2300-2400 kg
        
     
 
    
    
    
        
            Crash Test Standard:
        
        
            Euro NCAP, NHTSA (may vary by region and specific test year)
        
     
    
    
        
            ABS:
        
        
            Anti-lock Braking System
        
     
    
        
            Esp:
        
        
            Electronic Stability Program (ESP)
        
     
    
        
            Ebd:
        
        
            Electronic Brake-force Distribution
        
     
    
    
        
            Airbags:
        
        
            Front airbags for driver and passenger, side airbags, potentially rear side airbags (market dependent)
        
     
    
        
            Seatbelts:
        
        
            Three-point inertia-reel seatbelts with pre-tensioners and force limiters
        
     
    
        
            Construction:
        
        
            Advanced safety cell construction, crumple zones
        
     
 
    
    
    
        
            Audio System:
        
        
            Premium Audi Symphony or Bose sound system options, often with CD player and radio. Navigation systems were also available.
        
     
    
        
            Climate Control:
        
        
            Automatic climate control (Climatronic) with dual-zone temperature settings.
        
     
    
    
        
            Cruise Control:
        
        
            Standard cruise control system.
        
     
    
        
            Parking Sensors:
        
        
            Rear parking sensors (Audi parking system) were an available option.
        
     
    
    
        
            Phone Integration:
        
        
            Optional hands-free phone preparation with Bluetooth or integrated cellular phone systems were available.
        
     
 
    
    
    
        
            Oil Change:
        
        
            Refer to owner's manual, typically every 10,000-15,000 miles or 12-18 months. Manual will provide exact intervals and specifications.
        
     
    
        
            Timing Belt:
        
        
            This engine likely uses a timing chain rather than a belt, which generally does not require periodic replacement unless an issue arises. The manual will confirm.
        
     
    
        
            Transmission Fluid:
        
        
            Refer to manual. Typically for lifetime fluid or at specific intervals (e.g., 60,000-100,000 miles), depending on driving conditions.
        
     
    
    
        
            Engine Oil:
        
        
            Consult manual for specific viscosity grade (e.g., 0W-40 or 5W-40 synthetic) and VW/Audi approval (e.g., VW 502 00).
        
     
    
        
            Coolant:
        
        
            G12 or G12+ ethylene glycol based coolant, mixed with distilled water (50/50 ratio). Manual will specify exact type and capacity.
        
     
    
        
            Brake Fluid:
        
        
            DOT 4 specification. Manual will specify fluid type and replacement interval.
        
     
    
        
            Transmission Fluid:
        
        
            Specific Pentosin ATF specification required for the Tiptronic transmission. Manual will list exact part number.
        
     
    
    
        
            Ignition Coils:
        
        
            Can be prone to failure, leading to misfires.
        
     
    
        
             தகट:
        
        
            The manual will cover common leaks, particularly around the valve covers and oil pan.
        
     
    
        
            ABS Sensors:
        
        
            Wheel speed sensors for ABS can fail, illuminating the ABS warning light.
        
     
    
        
            Suspension Components:
        
        
            Wear on control arm bushings and ball joints is common due to vehicle weight and performance.
        
     
 
    
    
    
        
            Audi Legacy:
        
        
            Audi's heritage in performance and engineering, dating back to Auto Union and its early racing successes.
        
     
    
    
        
            S Model Philosophy:
        
        
            The 'S' designation signifies Audi's performance-oriented models, offering enhanced power, handling, and styling over standard models.
        
     
    
        
            C5 Platform:
        
        
            The C5 platform underpinned models like the A6 and A8, with the S6 being the high-performance variant of the A6 sedan and Avant.
        
     
    
    
        
            Manufacturing Location:
        
        
            Neckarsulm, Germany
        
     
    
        
            Production Years:
        
        
            1999-2003 (for C5 S6)