🏷️ Basic Information Identification Make: Mercedes-Benz Model: GL-Class Model Code: X164 Year: 2009 Market Segment: Full-size Luxury SUV 👋 Introduction Market Position Vehicle Class Positioning: Premium full-size luxury SUV, competing with models like BMW X5, Lexus LX, Cadillac Escalade. Competitive Analysis Infotainment Comparison: COMAND APS system was a sophisticated and well-integrated infotainment suite for its era, offering navigation, multimedia, and connectivity features expected in the luxury segment. Key Features Infotainment Highlights: Integrated navigation, high-resolution display, intuitive rotary controller, voice control (optional), advanced audio integration. Manual Value Proposition Utility For Owners: Essential guide for owners to fully utilize the complex COMAND APS system, enhancing driving experience and vehicle personalization. 📋 Manual Details Coverage Areas Primary System Coverage: COMAND APS Infotainment System Vehicle Specific Applicability: 2009 Mercedes-Benz GL-Class (X164 chassis) Page Count Estimated Page Count: Approximately 200-300 pages (typical for system manuals) Manual Type Manual Type: Operator's Manual / Owner's Manual (System Specific) Language Language: English Format Format: Digital PDF 📖 Manual Coverage Systems Covered Infotainment System: COMAND APS (Cockpit Management and Navigation) Navigation System: Integrated GPS Navigation with real-time traffic updates Audio System: AM/FM Radio, CD/DVD Player, Satellite Radio (SiriusXM) Connectivity: Bluetooth (for phone calls and audio streaming), AUX Input, USB Interface (if equipped) Climate Control Interface: Integration with automatic climate control system Vehicle Settings Interface: Access to select vehicle settings and personalization options Procedures Included System Operation: Detailed instructions for operating all COMAND APS features Navigation Usage: Entering destinations, route planning, map updates, points of interest (POI) Audio Control: Tuning, track selection, equalizer settings, media source management Phone Integration: Pairing devices, making/receiving calls, accessing contacts via Bluetooth Settings Customization: Adjusting display brightness, sound profiles, language, units of measurement Troubleshooting Basic: Common user-level issues and solutions Technical Depth Depth Of Coverage: User-level operation and configuration, not deep diagnostics or repair 📊 Manual Specifications File Format File Type: PDF Searchable Text: Yes (assuming factory-generated PDF) Print Quality Printability: High (suitable for home printing) Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Options 2009 Gl-Class: GL350 CDI (Diesel), GL450 (Gasoline), GL550 (Gasoline) Gl450 Engine Type: 4.7L V8 (M273) Gl450 Horsepower: 335 hp @ 6000 rpm Gl450 Torque: 339 lb-ft @ 2700-5000 rpm Gl550 Engine Type: 5.5L V8 (M273) Gl550 Horsepower: 382 hp @ 6000 rpm Gl550 Torque: 391 lb-ft @ 2800-4800 rpm Performance Engine Construction: Aluminum block and cylinder heads Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (SFI) 🔧 Transmission Standard Transmission Type: 7-speed automatic with TouchShift Transmission Code: 7G-TRONIC Features Drivetrain: 4MATIC All-Wheel Drive (AWD) 📐 Dimensions Exterior Wheelbase: 115.2 inches (2926 mm) Length: 200.6 inches (5095 mm) Width: 75.9 inches (1928 mm) Height: 72.4 inches (1839 mm) Interior Seating Capacity: 7 passengers Cargo Cargo Volume Behind 3Rd Row: 14.3 cu ft (405 L) Cargo Volume Behind 2Nd Row: 43.2 cu ft (1223 L) Cargo Volume Behind 1St Row: 83.3 cu ft (2358 L) Weights Curb Weight Gl450 Approx: 5180 lbs (2350 kg) 🛡️ Safety Features Ratings NHTSA Front Driver Impact: 5-Star (for 2009 models) NHTSA Front Passenger Impact: 5-Star (for 2009 models) NHTSA Side Driver Impact: 5-Star (for 2009 models) NHTSA Side Rear Passenger Impact: 5-Star (for 2009 models) NHTSA Rollover: 4-Star (for 2009 models) Active Features Braking System: 4-wheel disc brakes with ABS, Electronic Brake-force Distribution (EBD), Brake Assist (BAS) Stability Control: Electronic Stability Program (ESP) Traction Control: All-Season Traction Control Passive Features Airbags: Dual front airbags, front side-impact airbags, front and rear side-curtain airbags, front-seat active head restraints 💡 Technology Features Infotainment Display Type: 7-inch color LCD screen Control Interface: COMAND Control knob with integrated buttons and directional pad Audio Hardware: Harman Kardon LOGIC 7 surround sound system (optional/standard on higher trims) Media Playback Formats: CD, CD-R/RW, DVD-Video, MP3, WMA Driver Assistance Parking Assistance: Front and rear Parktronic parking sensors (optional/standard) Cruise Control: Standard cruise control, DISTRONIC adaptive cruise control (optional) Connectivity Bluetooth Version: Bluetooth 2.0 (for hands-free calling and audio streaming) Auxiliary Input: Standard 3.5mm AUX input jack Usb Interface: Optional USB interface for media playback and device charging 🔧 Maintenance Service Intervals Oil Change Interval Benz Spec: Variable, typically around 10,000 miles or 1 year, depending on driving conditions (refer to specific model year manual for exact timing). Major Service Items: Spark plugs, transmission fluid and filter, differential fluid, coolant, brake fluid. Fluid Specifications Engine Oil Type Gl450: Mobil 1 Synthetic 0W-40 or equivalent (MB Approval 229.5) Transmission Fluid Type: MB 236.14 Automatic Transmission Fluid (ATF) Coolant Type: Mercedes-Benz Approved Antifreeze/Coolant (e.g., ZEREX G-05 or equivalent, MB Approval 325.0) Known Issues Air Suspension Components: Airmatic suspension strut failures, compressor issues can occur with age and mileage. Interior Electronics: Occasional COMAND system glitches or freezing, potential issues with climate control actuators. Exhaust System: Rusting exhaust components can be a concern in certain climates. 📚 Vehicle...