🏷️ Basic Information Identification Make: Mercedes-Benz Model: S Class Model Designation: S550 Year: 2010 Generation Chassis Code: W221 Generation Years: 2005-2013 Codes Engine Code: M273 👋 Introduction Market Position Segment: Full-size Luxury Sedan Positioning: Flagship model representing Mercedes-Benz's pinnacle of comfort, technology, and performance. Competitive Analysis Direct Competitors: BMW 7 Series, Audi A8, Lexus LS, Porsche Panamera, Jaguar XJ Key Features Features Highlighted: Advanced driver assistance systems, luxurious interior appointments, powerful V8 engine, sophisticated suspension, COMAND infotainment system. 📋 Manual Details Coverage Areas Primary Coverage: Owner's Manual (Factory) Additional Sections: Introduction, Instrument Cluster, Entertainment Systems, Climate Controls, Lights, Driver Controls, Locks and Security, Seating and Safety Restraints, Driving, Customer Assistance, Reporting Safety Defects (U.S. Only), Cleaning, Maintenance and Specifications, Engine Compartment, Engine Oil, Battery, Fuel Information, Air Filter(s), Part Numbers, Refill Capacities, Lubricant Specifications, Accessories Page Count Estimated Page Count: Approx. 400-500 pages (typical for this model) Manual Type Type: Owner's Manual Language Language: English Format Format: Digital PDF 📖 Manual Coverage Systems Covered Powertrain: Engine operation, fuel system, lubrication, cooling, exhaust Chassis: Braking system, steering system, suspension system, wheels, tires Electrical: Lighting, instrument cluster, battery, starter, charging system, power windows, locks, mirrors, infotainment, climate control Safety Restraints: Airbags, seatbelts, ISOFIX/child seat anchors Comfort Convenience: Climate control, power seating, memory functions, door locks, security system, keyless-go Procedures Included Operation: Starting and driving, parking, using various vehicle features and controls Maintenance: Routine checks (oil, coolant, tire pressure), fluid refills, basic cleaning Troubleshooting: Indicator lights and warning messages, basic problem identification Emergency: Changing a flat tire, jump-starting the battery, using emergency tools Technical Depth Depth: Comprehensive owner-level information; does not include repair procedures or diagnostic codes typically found in a service manual 📊 Manual Specifications File Format Type: PDF Readability: Requires PDF reader (e.g., Adobe Acrobat Reader, Foxit Reader) Searchability: Likely searchable text content Print Quality Quality: Factory original quality, digital reproduction Binding Type Type: N/A (Digital PDF) Paper Type Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Type: 4.7L (4663 cc) V8 SOHC (32-valve) with Dual Overhead Camshafts Engine Code: M273.960 Performance Horsepower: 382 hp @ 6000 rpm Torque: 391 lb-ft @ 2800-4700 rpm Fuel System Injection Type: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Lubricant Specifications Engine Oil Type: SAE 0W-40 (MB 229.5) Refill Capacities Engine Oil Capacity: Approx. 8.5 quarts (8.0 liters) with filter change 🔧 Transmission Standard Type: 7-speed automatic transmission Transmission Code: 7G-TRONIC (722.9) Features Drive Modes: Comfort (C) and Sport (S) modes Refill Capacities Transmission Fluid Capacity: Approx. 9.5 quarts (9.0 liters) for a complete drain and fill Transmission Fluid Specification: MB Specification 236.14 (e.g., Mobil ATF 134, Pentosin ATF134) 📐 Dimensions Exterior Length: 200.0 inches (5080 mm) Width: 73.7 inches (1872 mm) Height: 58.7 inches (1491 mm) Wheelbase: 116.7 inches (2965 mm) Weights Curb Weight: Approx. 4500 - 4700 lbs (2041 - 2132 kg) Cargo Trunk Volume: Approx. 16.0 cubic feet (453 liters) 🛡️ Safety Features Ratings NHTSA Front Crash Test Rating: 5-Star (for applicable models/years, consult official NHTSA data) IIHS Top Safety Pick: Likely received good ratings, consult IIHS reports for specifics Active Features Driver Assistance: ABS, EBD, Traction Control (ASR), Electronic Stability Program (ESP), PRE-SAFE® occupant protection system Braking System: Vented front and solid rear disc brakes, Brake Assist (BAS) Passive Features Airbags: Front airbags, front side airbags, rear side airbags, front and rear head curtain airbags Seat Belts: 3-point inertia-reel seat belts with pretensioners and force limiters, Active Body Restraints (optional/integrated) 💡 Technology Features Infotainment System Name: COMAND (Cockpit Management and Navigation Entertainment) Features: Integrated navigation, AM/FM/HD radio, CD/DVD changer, SiriusXM satellite radio, Bluetooth connectivity, auxiliary audio input. Display: High-resolution color display integrated into the dashboard. Driver Assistance Adaptive Cruise Control: DISTRONIC PLUS (Optional feature) Parking Assistance: PARKTRONIC parking assist (audible and visual aids) Night Vision: NIGHT VIEW ASSIST (Optional feature) Connectivity Bluetooth: Bluetooth hands-free calling and audio streaming Lighting Headlights: Bi-xenon headlamps with Active Curve Illumination 🔧 Maintenance Service Intervals Oil Change Interval: Variable, based on Mercedes-Benz Flexible Service System (FSS). Typically every 10,000 miles or 12 months, whichever comes first, or indicated by the car's service computer. Transmission Service Interval: Typically around 40,000 - 60,000 miles, or as indicated by the vehicle's service indicator. Check transmission fluid and filter. Air Filter Replacement: Typically every 20,000 - 30,000 miles or as indicated by the service computer. Fluid Specifications Coolant Type: MB Specification 325.0 (Blue or Green coolant, typically a 50/50 mix with distilled water) Brake Fluid Type: DOT 4 Plus (MB Specification 331.0) Known Issues Common Complaints: ABC suspension system leaks (hydraulic lines, struts), Egress/ingress lighting failures, COMAND system glitches, ignition coil failures, oil leaks from valve cover gaskets or oil cooler seals, early generation SBC brake system concerns (though S550 uses conventional hydraulic brakes). 📚 Vehicle History Brand Heritage Heritage: Mercedes-Benz...