🏷️ Basic Information Identification Make: Mercedes-Benz Model: G550 Year: 2011 Codes Internal Model Code: W463 Engine Code: M273 👋 Introduction Market Position Segment: Luxury SUV, Off-Road Capable Competitive Analysis Competitors: Land Rover Range Rover, Toyota Land Cruiser, Cadillac Escalade, Lexus LX 570. Key Features Unique Selling Points: Iconic boxy styling, legendary off-road capability, robust build quality, powerful V8 engine, luxurious interior, strong brand heritage. Manual Purpose Target Audience: Mercedes-Benz G550 owners, independent repair shops, automotive technicians, enthusiasts performing DIY maintenance and repairs. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service and repair Page Count Estimated Pages: Extensive (specific count not provided, but typical for official software) Manual Type Type: Service and Repair Manual Software Language Language: English Format Format: Software (Digital) 📖 Manual Coverage Systems Covered Powertrain: Engine (M273 V8), transmission (7G-TRONIC PLUS), transfer case, differentials. Chassis: Suspension (independent front, solid rear axle), steering, brakes (ABS, ESP, EBD), wheels, tires. Electrical: 12V electrical system, battery, charging system, starter, lighting, instruments, infotainment, CAN bus diagnostics, SRS (airbag) system. Bodywork: Exterior (panels, doors, hood, tailgate), interior trim, climate control (HVAC), seats, windows, mirrors. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, lubrication. Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics, wiring diagrams. Repair: Engine overhaul, transmission repair, brake system repair, suspension component replacement, electrical component repair, body panel repair. Installation: Component replacement procedures for all major systems. Technical Depth Depth: In-depth technical specifications, diagnostic procedures, component testing, and repair instructions suitable for professional technicians and advanced DIY enthusiasts. 📊 Manual Specifications File Format File Type: Software Application (likely .exe or web-based access) Print Quality Quality: Digital (high resolution, zoomable) Binding Type Binding: Not Applicable (Software) Paper Type Paper: Not Applicable (Software) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated V8 Displacement: 5.5 Liters (5461 cc) Bore X Stroke: 98.0 mm x 90.5 mm Compression Ratio: 10.0:1 Valve Train: SOHC (Single Overhead Camshaft) with 4 valves per cylinder Performance Horsepower: 382 hp @ 6000 rpm Torque: 391 lb-ft @ 2800-4500 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Recommended Fuel: Premium Unleaded Gasoline (91 octane or higher) Fluid Specifications Engine Oil Type: SAE 0W-40 Synthetic (MB-Approval 229.5) Engine Oil Capacity: 8.5 Liters (9.0 US Quarts) with filter change Coolant Type: Mercedes-Benz Approved Antifreeze/Coolant (e.g., ZEREX G05 or equivalent) Coolant Capacity: 13.2 Liters (14.0 US Quarts) 🔧 Transmission Standard Transmission Type: 7-speed Automatic (7G-TRONIC PLUS) Features Transmission Modes: Comfort (C), Sport (S), Manual (M) via steering wheel paddle shifters. Fluid Specifications Transmission Fluid Type: MB 236.14 (ATF - Automatic Transmission Fluid) Transmission Fluid Capacity: Approximately 8.0 Liters (for dry fill/torque converter) 📐 Dimensions Exterior Length: 189.7 inches (4818 mm) Width: 76.1 inches (1933 mm) Height: 75.1 inches (1908 mm) Wheelbase: 112.2 inches (2850 mm) Weights Curb Weight: Approximately 5,622 lbs (2550 kg) Gross Vehicle Weight Rating Gvwr: Approximately 6,724 lbs (3050 kg) Cargo Cargo Volume Behind Rear Seat: Approximately 16.0 cu ft (453 L) Cargo Volume With Rear Seat Folded: Approximately 45.2 cu ft (1279 L) 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 4/5 stars (as per typical G-Class ratings of the era) Active Features Electronic Stability Program: Standard (ESP) Antilock Braking System: Standard (ABS) Electronic Brake Force Distribution: Standard (EBD) Traction Control: Standard (ASR) Passive Features Airbags: Front airbags, side airbags, curtain airbags (depending on configuration). Seatbelts: 3-point seatbelts with pretensioners and force limiters. Body Structure: Reinforced chassis and body structure for occupant protection. 💡 Technology Features Infotainment Head Unit: COMAND APS (Cockpit Management and Navigation EXperience) with integrated navigation, CD/DVD player, AM/FM radio. Audio System: Harman Kardon LOGIC 7 surround sound system (optional on some trims). Connectivity: Bluetooth connectivity for hands-free calling and audio streaming, auxiliary input. Driver Assistance Parking Assistance: Front and rear parking sensors (PARKTRONIC), rearview camera (optional). Cruise Control: Standard cruise control; DISTRONIC (adaptive cruise control) may be optional. Connectivity Media Interface: Optional Media Interface for iPod/USB connectivity. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 miles (16,000 km) or 12 months, whichever comes first, subject to driving conditions (refer to manual for exact details). Major Service Intervals: Refer to the 'Service A', 'Service B', etc. schedules in the owner's manual/service manual for comprehensive intervals and inspections (e.g., spark plugs around 60,000-100,000 miles depending on type). Fluid Specifications Brake Fluid Type: DOT 4 Plus (MB-Approval 331.0) Power Steering Fluid Type: Pentosin CHF 11 S or equivalent (MB-Approval 343.0) Differential Fluid Type: API GL-5, SAE 75W-90 or 80W-90 (check specific axle and locking diff requirements) Transfer Case Fluid Type: MB 235.6 or MB 235.10 (Gear Oil) Known Issues Common Wear Items: Brake pads and rotors, suspension bushings, exhaust system components, fuel pumps, ignition coils. Potential Electrical Issues: Sensors (e.g., O2 sensors), blower motor resistor, battery drain issues due to parasitic loads. Body Corrosion: While robust, older models can experience...