🏷️ Basic Information Identification Make: Mercedes-Benz Model: GL550 Year: 2009 Generation Chassis Code: X164 Codes Engine Code: M273 👋 Introduction Market Position Segment: Full-size Luxury SUV Target Audience: Owners seeking comprehensive DIY repair and maintenance information, professional technicians Competitive Analysis Competitors: BMW X5, Audi Q7, Cadillac Escalade, Lexus LX570 Key Features Vehicle Attributes: Spacious interior, luxurious amenities, powerful V8 engine, advanced safety and comfort features Manual Advantage: Official OEM data provides unparalleled accuracy and completeness compared to generic aftermarket manuals. 📋 Manual Details Coverage Areas Primary Focus: Service, Repair, Maintenance, Diagnostics Additional Coverage: Electrical schematics, wiring diagrams, troubleshooting guides Page Count Estimated Pages: Extensive (Software-based, no fixed page count; equivalent to thousands of printed pages) Manual Type Type: Official Service and Repair Manual Software Language Language: English Format Format: Digital Software (Likely PDF or proprietary executable) 📖 Manual Coverage Systems Covered Powertrain: Engine (M273 V8), Transmission (7G-TRONIC automatic), Drivetrain (4MATIC AWD) Chassis: Suspension (AIRMATIC air suspension), Steering, Brakes (ABS, ESP, SBC), Wheels and Tires Electrical: Body Control Module (BCM), Lighting, Power Accessories, Climate Control, Infotainment, CAN Bus network Body And Interior: Body panels, doors, windows, seats, interior trim, airbags Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, spark plugs, belts Diagnostics: Troubleshooting common problems, diagnostic trouble codes (DTCs), diagnostic tool usage (e.g., STAR Diagnosis) Repair: Component removal and installation, system overhauls, component testing and adjustment Calibration And Programming: Key programming, ECU re-calibration, sensor adaptation Technical Depth Depth: Comprehensive from basic checks to advanced engine and transmission rebuild procedures Diagrams And Schematics: Detailed electrical wiring diagrams, vacuum routing diagrams, exploded views 📊 Manual Specifications File Format Software Requirements: Requires a compatible operating system (e.g., Windows XP, Vista, 7); specific version may vary. Print Quality Resolution: High-resolution, clear text and diagrams suitable for printing Binding Type Binding: N/A (Software-based) Paper Type Paper: N/A (Software-based) ⚙️ 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: 10.7:1 Valve Train: SOHC, 4 valves per cylinder Performance Horsepower: 382 hp @ 6000 rpm Torque: 391 lb-ft @ 2800-4500 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (Bosch ME 9.7 ECU) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Fluid Specifications Engine Oil Type: SAE 0W-40 Synthetic (MB-Approval 229.5) Engine Oil Capacity: 8.5 Liters (with filter) Coolant Type: Mercedes-Benz approved Antifreeze/Coolant (e.g., ZEREX G48) - 50/50 mix 🔧 Transmission Standard Type: 7-speed Automatic (7G-TRONIC) Gear Ratios: Refer to manual for specific ratios Features Drive Modes: Comfort (C), Sport (S), Manual (M) Torque Converter Lockup: Yes Fluid Specifications Transmission Fluid Type: MB-Approval 236.14 (e.g., Shell ATF 134) Transmission Fluid Capacity: Approx. 9.0 Liters (dry fill) 📐 Dimensions Exterior Length: 200.0 inches (5080 mm) Width: 77.2 inches (1961 mm) Height: 72.4 inches (1839 mm) Wheelbase: 118.1 inches (3000 mm) Front Track: 64.8 inches (1646 mm) Rear Track: 65.0 inches (1651 mm) Cargo Cargo Volume Behind 3Rd Row: 12.4 cu ft Cargo Volume Behind 2Nd Row: 41.0 cu ft Cargo Volume Behind 1St Row: 78.3 cu ft Weights Curb Weight: 5,401 lbs (2450 kg) Gross Vehicle Weight Rating Gvwr: 7,165 lbs (3250 kg) Towing Capacity: 7,716 lbs (3500 kg) Payload Capacity: 1,764 lbs (800 kg) 🛡️ Safety Features Ratings NHTSA Front Crash Test: 5-Star (for driver and front passenger) NHTSA Side Crash Test: 5-Star (for front and rear passengers) IIHS Tests: Good (in frontal offset, side impact, and rear impact tests) Active Features Stability Control: Electronic Stability Program (ESP) with Trailer Stability Assist Brakes: Anti-lock Braking System (ABS), Brake Assist (BAS), Electronic Brake-force Distribution (EBD) Traction Control: All-Season Traction Control (ASR) Passive Features Airbags: Front airbags, front side-impact airbags, curtain airbags (window airbags), optional rear side airbags Seat Belts: 3-point inertia-reel seat belts with pretensioners and force limiters Child Seat Anchors: LATCH (Lower Anchors and Tethers for Children) system 💡 Technology Features Infotainment System Name: COMAND (Cockpit Management and Navigation) Features: Color display, navigation system, CD/DVD changer, AM/FM radio, MP3 capability, Bluetooth connectivity (audio and phone), aux input Audio System: Harman Kardon LOGIC 7 surround sound system (optional) Driver Assistance Parking Assistance: Parktronic parking assist sensors (front and rear), rearview camera (optional) Cruise Control: Adaptive Cruise Control (DISTRONIC) (optional) Visibility: Bi-xenon headlamps with active curve illumination, LED daytime running lights Connectivity Telematics: Mercedes-Benz Tele Aid (emergency calling system) 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 miles or 12 months, whichever comes first (using approved synthetic oil) Air Filter Replacement: Every 30,000 miles or as needed based on driving conditions Spark Plug Replacement: Every 60,000 miles Transmission Fluid Change: Every 60,000 miles or 4 years, whichever comes first Brake Fluid Flush: Every 2 years Fluid Specifications Power Steering Fluid: MB-Approval 343.0 (or equivalent Pentosin CHF 11S) Brake Fluid: DOT 4 Plus (MB-Approval 331.0) Differential Fluid Front: Refer to manual for specific...