🏷️ Basic Information Identification Make: Mercedes-Benz Model: S-Class Chassis Code: W221 Model Year: 2006 Generation Generation Designation: Fifth Generation (W221) Generation Introduction Year: 2005 👋 Introduction Market Position Vehicle Class: Full-size Luxury Sedan Segment Competitors: BMW 7 Series, Audi A8, Lexus LS, Porsche Panamera, Jaguar XJ Key Features Design Philosophy: Elegant, sophisticated, technologically advanced, emphasizing comfort and safety. Powertrain Options At Launch: V6, V8, and V12 engine variants, rear-wheel drive and 4MATIC all-wheel drive. Technological Advancements For 2006: Advanced driver assistance systems, COMAND infotainment, AIRMATIC suspension, optional Active Body Control (ABC). 📋 Manual Details Coverage Areas Manual Title: Mercedes-Benz S-Class W221 Complete Workshop Service Repair Manual 2006 Coverage Scope: Complete Service and Repair Procedures Page Count Estimated Page Count: Extensive (likely several thousand pages for a complete workshop manual, specific number not provided in product info) Manual Type Manual Classification: Workshop Service Repair Manual Language Language Of Manual: English Format Digital Format: Downloadable (likely PDF) 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanicals, fuel injection, ignition, cooling, lubrication, emission control Transmission Systems: Automatic transmission (7G-TRONIC), differential, driveshafts Chassis Systems: Suspension (Active Body Control/AIRMATIC), steering, brakes (ABS, ESP, SBC - if applicable for 2006), wheels, tires Electrical Systems: 12V electrical system, charging system, starting system, lighting, instrument cluster, power accessories, CAN bus diagnostics Body And Interior: Body structure, exterior panels, interior trim, seats, climate control (COMAND, THERMOTRONIC), airbags, safety restraint systems Electronics And Comfort: Infotainment systems, navigation, telematics, keyless-go, power closing doors/trunk, parking assist Procedures Included Maintenance Procedures: Routine checks, oil changes, filter replacements, fluid checks and changes, spark plug replacement, brake pad/rotor replacement Repair Procedures: Engine component repair/replacement (e.g., timing chain, cylinder head), transmission overhaul, suspension component repair, brake system repair, electrical component diagnosis and repair, body panel repair Diagnostic Procedures: Troubleshooting guides, diagnostic trouble codes (DTCs), electrical circuit diagrams, component testing procedures Special Procedures: Component removal and installation, torque specifications, alignment procedures, electronic module programming/initialization (where applicable for the era) Technical Depth Depth Of Information: Comprehensive; covers basic maintenance to complete engine and transmission rebuilds, detailed diagnostics, and electrical system troubleshooting. 📊 Manual Specifications File Format Digital File Type: PDF (Portable Document Format) Searchability: Likely text-searchable PDF for efficient information retrieval Print Quality Visual Elements: Includes diagrams, schematics, exploded views, and troubleshooting flowcharts. Binding Type Physical Binding: Not applicable (downloadable format) Paper Type Physical Paper: Not applicable (downloadable format) ⚙️ Engine Specifications Primary Engine Engine Code Examples: M272 (3.5L V6), M273 (5.5L V8), M156 (6.2L AMG V8 - if applicable to 2006 model variants) Engine Displacement Examples: 3.5L, 5.0L, 5.5L, 6.2L Performance Horsepower Range Approximate: 272 hp (3.5L V6) to 518 hp (AMG 6.2L V8) Torque Range Approximate: 258 lb-ft (3.5L V6) to 465 lb-ft (AMG 6.2L V8) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI), Sequential Multi-port Fuel Injection (MPI) Fuel Type: Premium Unleaded Gasoline (91+ octane recommended) 🔧 Transmission Standard Transmission Type Standard: 7-speed Automatic Transmission (7G-TRONIC) Optional Transmission Type Optional: 4MATIC All-Wheel Drive Features Transmission Features: Driver-adaptive shifting, Comfort/Sport modes, manual shifting via steering wheel paddles (optional). 📐 Dimensions Exterior Wheelbase Mm: 3165 mm Length Mm: 5079 mm Width Mm: 1871 mm Height Mm: 1477 mm Weights Curb Weight Kg Approximate: 1850 - 2000 kg (depending on engine and drivetrain) 🛡️ Safety Features Ratings NHTSA Front Impact Rating Driver: 5-Star (Typical for the era, though official 2006 ratings may vary) NHTSA Front Impact Rating Passenger: 5-Star (Typical for the era) IIHS Crash Test Performance: Good (Typical for the era) Active Features Braking Systems: ABS (Anti-lock Braking System), EBD (Electronic Brakeforce Distribution), Brake Assist, SBC (Sensotronic Brake Control - early models) Stability Control: ESP (Electronic Stability Program) Driver Assistance Optional: Distronic (Adaptive Cruise Control), Parking Assist Passive Features Airbags: Front airbags, side airbags, curtain airbags, optional rear side airbags. Seatbelts: Pretensioning seatbelts with force limiters, NECK-PRO active headrests. 💡 Technology Features Infotainment Infotainment System: COMAND (Cockpit Management and Navigation Entertainment) with integrated GPS navigation, radio, CD/DVD changer, Bluetooth connectivity. Driver Assistance Adaptive Cruise Control: Distronic (optional, radar-based system that maintains a set distance to the vehicle ahead). Parking Systems: PARKTRONIC parking assist with audible and visual warnings. Connectivity Connectivity Options: Bluetooth for hands-free calling, optional USB/iPod integration. Comfort Features Climate Control: THERMOTRONIC automatic climate control with multiple zones. Keyless Entry Start: KEYLESS-GO (keyless entry and engine start). 🔧 Maintenance Service Intervals Oil Change Interval Approximate: Every 10,000 - 15,000 miles or 12 months, whichever comes first (based on 'Service A/B' indicators). Major Service Interval Approximate: Every 30,000 - 60,000 miles, including spark plug replacement, coolant flush, brake fluid change. Fluid Specifications Engine Oil Specification: MB 229.5 or MB 229.51 (e.g., Mobil 1 0W-40, Castrol EDGE Synthetic) Transmission Fluid Specification: MB 236.14 (for 7G-TRONIC) Coolant Specification: MB 325.0 (Antifreeze/Coolant) Brake Fluid Specification: DOT 4 Plus (e.g., ATE DOT 4 SL) Known Issues Common W221 Issues: AIRMATIC suspension...