🏷️ Basic Information Identification Make: Mercedes-Benz Model: GL550 Year: 2011 Codes Chassis Code: X164 Engine Code: 4.6L V8 (M273) 👋 Introduction Market Position Segment: Full-Size Luxury SUV Target Audience: Luxury vehicle owners seeking detailed repair and maintenance information. Competitive Analysis Competitors: BMW X5, Audi Q7, Lexus LX570, Cadillac Escalade Key Features Vehicle Highlights: Spacious interior, advanced safety features, powerful V8 engine, comfortable ride. Manual Value Proposition Value: Provides official, factory-accurate repair procedures, saving significant costs on dealership service. 📋 Manual Details Coverage Areas Primary Coverage: Complete Service and Repair Secondary Coverage: Diagnostics, Maintenance, Troubleshooting, Wiring Diagrams Page Count Estimated Pages: 2000+ Manual Type Type: Official Factory Service Manual (Software) Language Language: English Format Format: Software (likely CD-ROM or Digital Download) 📖 Manual Coverage Systems Covered Powertrain: Engine (M273 V8), Transmission (7G-TRONIC PLUS 722.9) Chassis: Suspension (AIRMATIC DC), Brakes (ABS, ESP), Steering Electrical: Full Electrical Schematics, Body Control Module (BCM), Engine Control Module (ECM), Infotainment, Lighting Body: Exterior Panels, Interior Trim, HVAC, Sunroof, Power Liftgate Procedures Included Maintenance: Oil Changes, Filter Replacements, Fluid Flushes, Spark Plug Replacement, Belt Inspection/Replacement Repair: Engine Mechanical, Transmission Overhaul, Brake System Repair, Suspension Component Replacement, Electrical Component Diagnosis and Replacement Diagnostics: OBD-II Codes, Diagnostic Tree Charts, Component Testing Procedures, Wiring Harness Troubleshooting Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission rebuilds; includes detailed torque specifications and diagnostic strategies. 📊 Manual Specifications File Format Software Requirements: Requires a compatible PC and CD-ROM drive or download manager. Print Quality Print Option: Printable pages available within the software. Binding Type Binding Type: N/A (Software) Paper Type Paper Type: N/A (Software) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated V8 Displacement: 4.6 Liters (4633 cc) Bore X Stroke: 92.9 mm x 86.0 mm Compression Ratio: 10.5:1 Valve Train: DOHC, 4 valves per cylinder, variable valve timing (VVT) Performance Horsepower: 335 hp @ 6000 rpm Torque: 325 lb-ft @ 2700-4750 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with multi-point injection Fuel Type: Premium Unleaded Gasoline (91 Octane Recommended) Cooling System Coolant Capacity: Approximately 10.5 Liters (11.1 US Quarts) Lubrication System Oil Capacity: Approximately 8.5 Liters (9.0 US Quarts) with filter change Recommended Oil Viscosity: SAE 0W-40 (Mercedes-Benz Approval 229.5) Ignition System Spark Plugs: NGK Iridium (e.g., IFR6A11 or equivalent) 🔧 Transmission Standard Transmission Type: 7-Speed Automatic (7G-TRONIC PLUS) Transmission Code: 722.9 Features Drive Modes: Comfort (C), Sport (S), Manual (M) Fluid Type Transmission Fluid: MB 236.14 (e.g., Pentosin ATF 134, Shell ATF 134) Fluid Capacity Transmission Fluid Capacity: Approximately 9.5 Liters (10.0 US Quarts) for dry fill/overhaul 📐 Dimensions Exterior Length: 198.3 inches (5037 mm) Width: 76.6 inches (1946 mm) Height: 72.1 inches (1831 mm) Wheelbase: 115.2 inches (2926 mm) Weights Curb Weight: Approximately 5,467 lbs (2,480 kg) Gross Vehicle Weight Rating Gvwr: Approximately 7,010 lbs (3,180 kg) Cargo Cargo Volume Behind 3Rd Row: 14.3 cu ft (0.40 m³) Cargo Volume Behind 2Nd Row: 42.4 cu ft (1.20 m³) Cargo Volume With All Seats Folded: 83.3 cu ft (2.36 m³) 🛡️ Safety Features Ratings NHTSA Overall Rating: 4/5 Stars (for similar model year vehicles) Active Features Electronic Stability Program Esp: Standard Antilock Braking System ABS: Standard, with Brake Assist (BAS) Traction Control System TCS: Standard All Wheel Drive AWD: Standard (4MATIC) Passive Features Airbags: Front, Side, Curtain Airbags, Driver Knee Airbag Seatbelts: 3-point inertia-reel seatbelts with pretensioners and load limiters Child Seat Anchors: LATCH/ISOFIX system 💡 Technology Features Infotainment Command System: COMAND APS with navigation, AM/FM/CD/DVD changer, and auxiliary input. Audio System: Harmon Kardon LOGIC 7 surround sound system available on higher trims. Driver Assistance Parking Assistance: PARKTRONIC parking sensors (front and rear), rearview camera available. Cruise Control: Distronic Plus (Adaptive Cruise Control) optional. Connectivity Bluetooth Interface: Standard for hands-free calling, optional for audio streaming. Usb Interface: Optional, for media playback and device charging. 🔧 Maintenance Service Intervals Oil And Filter Change: Every 10,000 miles (16,000 km) or 12 months, whichever comes first (using synthetic oil). Engine Air Filter Replacement: Every 30,000 miles (48,000 km) or as needed based on driving conditions. Cabin Air Filter Replacement: Every 10,000 miles (16,000 km) or 12 months. Transmission Fluid And Filter Service: Recommended every 40,000 - 60,000 miles (64,000 - 96,000 km). Consult manual for precise interval. Coolant Flush: Every 30,000 miles (48,000 km) or 3 years. Fluid Specifications Power Steering Fluid: MB 236.3 (typically Pentosin CHF 11S or equivalent) Brake Fluid: DOT 4 Plus (Mercedes-Benz Specification DBL 7714.00) Known Issues Common Concerns: AIRMATIC suspension leaks (air springs, compressor), ignition coil failure, thermostat housing leaks, transmission conductor plate issues. Diagnostic Advice: Manual provides detailed diagnostic steps for common faults, including troubleshooting error codes related to the AIRMATIC system. 📚 Vehicle History Brand Heritage Mercedes Benz Legacy: Pioneering automotive manufacturer with a long history of luxury, engineering, and safety innovation. Model Evolution Gl Class Introduction: First generation (X164)...