🏷️ Basic Information Identification Make: Mercedes-Benz Model: R320 Year: 2008 Codes Chassis Code: W251 👋 Introduction Market Position Market Position: Luxury multi-purpose vehicle (MPV) or Grand Sports Tourer, positioned to offer SUV versatility with luxury car comfort and driving dynamics. Competitive Analysis Competitors: Competed against vehicles like the BMW X5, Audi Q7, Volvo XC90, and Land Rover LR3/Discovery. Key Features Unique Selling Points: Spacious interior, available seating for up to seven passengers, advanced Mercedes-Benz technology and luxury appointments, standard 4MATIC all-wheel drive, and a refined driving experience for its class. 📋 Manual Details Coverage Areas Coverage: Comprehensive service and repair Page Count Page Count: Thousands of pages (digital format) Manual Type Manual Type: Official Service and Repair Manual Software Language Language: English Format Format: Software/Digital (likely PDF or proprietary executable) 📖 Manual Coverage Systems Covered Powertrain: Engine (3.2L V6 Diesel), Transmission (7-speed automatic), Drivetrain (4MATIC all-wheel drive) Chassis: Suspension (air suspension options), Steering, Brakes (ABS, ESP), Wheels and Tires Electrical System: ECU, Wiring Diagrams, Lighting, Instrumentation, Audio System, Power Accessories, Battery, Charging System Body And Interior: Body Panels, Doors, Glass, Seats, HVAC (climate control), Safety Restraints (Airbags) Procedures Included Maintenance: Routine scheduled maintenance, fluid changes, filter replacements, inspections Diagnostics: Troubleshooting guides, fault code interpretation, diagnostic procedures for all major systems Repair: Step-by-step repair instructions for components and systems, including engine overhaul, transmission service, suspension replacement, brake caliper replacement, etc. Component Replacement: Detailed instructions for replacing parts such as sensors, actuators, pumps, filters, belts, hoses, and more. Technical Depth Depth: Expert-level technical information, suitable for professional technicians and advanced DIY enthusiasts. 📊 Manual Specifications File Format File Format: Digital Software (likely searchable and printable) Print Quality Print Quality: N/A (Digital format, print quality dependent on user's printer) Binding Type Binding Type: N/A (Digital format) Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Code: OM642 Engine Type: 3.0L V6 Turbocharged Diesel (CDI) Displacement: 2987 cc (182.3 cu in) Bore X Stroke: 83.0 mm x 92.0 mm Compression Ratio: 17.0:1 Fuel Delivery: Common Rail Direct Injection (CDI) with piezo injectors Performance Horsepower: 210 hp @ 3800 rpm Torque: 398 lb-ft @ 1600-2600 rpm Fuel System Fuel Type: Diesel Emission Control: Diesel Particulate Filter (DPF), Selective Catalytic Reduction (SCR) on some models/regions 🔧 Transmission Standard Transmission Type: 7G-TRONIC Automatic Drivetrain: 4MATIC All-Wheel Drive Features Transmission Features: Torque converter automatic with lock-up clutch, manual shift mode (TouchShift), Comfort/Sport modes. Fluid Specifications Transmission Fluid Type: MB 236.14 (FE-ATF) 📐 Dimensions Exterior Length: 198.9 in (5052 mm) Width: 77.1 in (1959 mm) Height: 67.9 in (1725 mm) Wheelbase: 126.6 in (3216 mm) Weights Curb Weight: Approx. 4,700 - 5,000 lbs (2132 - 2268 kg) Gross Vehicle Weight Rating: Approx. 6,300 lbs (2858 kg) Cargo Cargo Volume Behind 3Rd Row: Approx. 13.2 cu ft (374 L) Cargo Volume Behind 2Nd Row: Approx. 42.0 cu ft (1189 L) Cargo Volume Behind 1St Row: Approx. 82.3 cu ft (2330 L) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 5-Star NHTSA Front Impact Passenger: 5-Star IIHS Front Offset Crash Test: Good Active Features Stability Control: Electronic Stability Program (ESP) standard Traction Control: Traction Control System (TCS) standard ABS: Anti-lock Braking System (ABS) standard Braking Assist: Brake Assist (BAS) standard Passive Features Airbags: Front airbags, side airbags, curtain airbags for all three rows Seatbelts: 3-point seat belts with pretensioners and force limiters, ISOFIX child seat anchors 💡 Technology Features Infotainment Infotainment System: COMAND APS (Cockpit Management and Navigation System) with integrated radio, CD/DVD player, navigation, and optional Harman Kardon surround sound. Driver Assistance Driver Assistance Features: Optional features included DISTRONIC (adaptive cruise control), PARKTRONIC (parking sensors), rearview camera, and bi-xenon headlamps with active curve illumination. Connectivity Connectivity Options: Bluetooth connectivity for hands-free calling was available, along with optional Media Interface for iPod and other auxiliary devices. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 miles or 12 months, whichever comes first, depending on driving conditions and oil type used (refer to manual for specific recommendations). Engine Air Filter Replacement: Every 30,000 miles or as per inspection. Cabin Air Filter Replacement: Every 20,000 miles or annually. Transmission Fluid Service: Typically every 60,000 to 80,000 miles for the 7G-TRONIC transmission. Coolant Flush: Every 5 years or 100,000 miles (initial fill is long-life coolant). Fluid Specifications Engine Oil Type: MB 229.51 (Low SAPS synthetic diesel engine oil, e.g., 5W-30 or 0W-30) Engine Oil Capacity: Approx. 8.5 liters (8.9 US quarts) Coolant Type: MB 325.0 / 326.0 (Blue-colored coolant, Polyethylene Glycol based) Brake Fluid Type: DOT 4 Plus (MB 331.0) Known Issues Common Problems: Potential issues include swirl flap actuator failure (OM642 engine), diesel particulate filter (DPF) clogging, AdBlue system issues (if equipped), HVAC blower motor resistor failure, suspension component wear (especially air suspension), and fuel injector problems. Diesel Specific Considerations: Proper use of low-sulfur diesel fuel and occasional...