🏷️ Basic Information Identification Make: Mercedes-Benz Model: S-Class Model Code: W221 Year: 2010 Codes Chassis Code: W221 👋 Introduction Market Position Positioning: The 2010 S-Class (W221) represented the pinnacle of Mercedes-Benz's luxury sedan offerings, competing directly with rivals like the BMW 7 Series, Audi A8, and Lexus LS. Competitive Analysis Key Competitors 2010: BMW 7 Series (F01/F02), Audi A8 (D3), Lexus LS (XF40), Porsche Panamera (970) Key Features Luxury And Technology: The W221 S-Class was renowned for its advanced technology, refined ride quality, opulent interior, and sophisticated safety features, setting benchmarks in the luxury segment. Manual Value Proposition Accuracy And Completeness: This manual provides the exact, vehicle-specific information used by authorized Mercedes-Benz technicians, ensuring accuracy for diagnostics, maintenance, and repairs, far surpassing generic aftermarket guides. 📋 Manual Details Coverage Areas Models Covered: All 2010 Mercedes-Benz S-Class (W221) variants, including S350, S450, S550, S600, S63 AMG, S65 AMG Repair Scope: Comprehensive A-Z repair coverage for all vehicle systems Page Count Page Count: Estimated 3000+ pages (typical for full factory service manuals) Manual Type Type: Factory Service and Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanicals, fuel, ignition, exhaust, cooling, lubrication, engine management systems (ECU), automatic transmissions, drivetrain (RWD/4MATIC) Chassis: Suspension (Airmatic, ABC), steering, brakes (ABS, ESP, SBC), wheels, tires Body And Exterior: Body structure, panels, doors, hinges, locks, glass, mirrors, exterior trim, convertible top (if applicable) Interior: Seating systems, upholstery, dashboard, interior trim, climate control, comfort features, interior lighting Electrical: Battery, charging system, starting system, lighting (headlights, taillights, interior), wiring diagrams, fuses, relays, multiplex communication (CAN bus), instrument cluster, infotainment system, power accessories (windows, seats, sunroof) Comfort And Safety: Climate control (THERMATIC/THERMOTRONIC), seat heating/ventilation, active multi-contour seats, ambient lighting, airbags, seatbelt systems, park assist, adaptive cruise control (DISTRONIC PLUS) Procedures Included Maintenance: Scheduled maintenance intervals, fluid changes (oil, coolant, brake fluid, transmission fluid), filter replacements (oil, air, cabin, fuel), spark plug replacement, belt inspections/replacement Diagnostics And Troubleshooting: Diagnostic trouble codes (DTCs), symptom-based troubleshooting, electrical system diagnosis, component testing Repair And Replacement: Component removal and installation procedures for all major systems, including engine overhaul, transmission rebuild, suspension component replacement, brake system repair, electrical component replacement Specifications And Tolerances: Torque specifications, clearances, alignment data, fluid capacities, pressure specifications, electrical specifications Special Tools And Equipment: Identification and usage of specialized tools required for specific repair procedures Technical Depth Depth: In-depth, factory-level technical information suitable for professional technicians and advanced DIY enthusiasts. Covers all aspects from basic maintenance to complete vehicle overhauls. 📊 Manual Specifications File Format Quality: High-resolution scans with searchable text layers for easy navigation and information retrieval. File Type: PDF Print Quality Printability: Printable pages for offline use and reference during repairs. Binding Type Binding Type: N/A (Digital format) Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine S450 Engine: 4.7L V8 (M272/M273) S550 Engine: 5.5L V8 (M273) S600 Engine: 5.5L Twin-Turbo V12 (M275) S63 Amg Engine: 6.2L V8 (M156) S65 Amg Engine: 6.0L Twin-Turbo V12 (M275) Performance S550 Horsepower: 382 hp @ 6000 rpm S550 Torque: 391 lb-ft @ 2800-4000 rpm S600 Horsepower: 510 hp @ 5000 rpm S600 Torque: 612 lb-ft @ 1800-3500 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI), Sequential Multi-Port Fuel Injection (MPI) Recommended Fuel: Premium Unleaded (91 octane or higher recommended for most models) 🔧 Transmission Standard S450 S550: 7-speed automatic (722.9 '7G-TRONIC') S600 S65 Amg: 5-speed automatic (722.6 '5G-TRONIC') Optional Drivetrain: 4MATIC All-Wheel Drive available on select models (e.g., S550 4MATIC) Features Gear Selection: Steering column shift lever (selector lever), manual mode via paddle shifters (optional/AMG models) Transmission Fluid Type: MB 236.14 (for 7G-TRONIC), MB 236.12 (for 5G-TRONIC - check specific model/year for exact spec) 📐 Dimensions Exterior Length: Approx. 5,097 mm (199.1 in) for standard wheelbase, 5,225 mm (205.7 in) for long wheelbase Width: Approx. 1,872 mm (73.7 in) Height: Approx. 1,473 mm (58.0 in) Weights Curb Weight: Varies by model, approx. 1,800 - 2,100 kg (3,968 - 4,630 lbs) Gross Vehicle Weight Rating: Varies by model, typically around 2,450 - 2,700 kg (5,400 - 5,950 lbs) 🛡️ Safety Features Ratings NHTSA Rating: Generally achieved 5-star ratings in frontal and side crash tests where tested (specific model year ratings may vary). IIHS Rating: Typically awarded 'Top Safety Pick' status. Active Features Driver Assistance Suite: DISTRONIC PLUS (Adaptive Cruise Control), PRE-SAFE® Brake, Lane Keeping Assist, Blind Spot Assist, PARKTRONIC, BAS PLUS (Brake Assist System Plus) Passive Features Airbags: Front airbags, side airbags, window curtain airbags, pelvic airbags (front and rear), active head restraints Body Structure: High-strength steel passenger cell, crumple zones 💡 Technology Features Infotainment Command System: COMAND APS (Cockpit Management and Navigation) system with integrated navigation, radio, CD/DVD player, and Bluetooth connectivity. The 2010 refresh included an updated interface and hard drive-based navigation. Driver Assistance Active Safety Features: Adaptive Cruise Control...