🏷️ Basic Information Identification Make: Mercedes-Benz Model: G-Class Chassis Code: W463 Model Year: 1979 Generation Generation Code: W460/W461 (Precursor to W463) Codes Manual Product Name: 1979 Mercedes G-Class (W463) Service and Repair Manual 👋 Introduction Market Position Vehicle Segment: Luxury Off-Road / SUV Brand Perception: Robust, durable, capable, and luxurious off-road vehicle Competitive Analysis Competitors 1979: Land Rover Defender (Series III), Toyota Land Cruiser (J60) Distinguishing Features 1979: More refined interior, more powerful engine options (compared to some competitors), robust build quality, excellent off-road capability Key Features Manual Benefit 1: Empowers owners to perform maintenance and repairs, reducing reliance on mechanics. Manual Benefit 2: Provides dealership-level technical information for accurate and efficient repairs. Manual Benefit 3: Cost-effective solution for vehicle maintenance and repair. Manual Benefit 4: Convenience of digital format with printable pages for workshop use. Manual Benefit 5: Enhances owner knowledge and engagement with their vehicle. 📋 Manual Details Coverage Areas Primary Coverage: All Models & All Repairs A-Z Specific Coverage Claim: Vehicle specific, not generic Page Count Estimated Page Count: Comprehensive (Exact count not specified, but implied to cover all repairs A-Z) Manual Type Type: Service and Repair Manual Source Type: Dealership Technician Manual Language Language: English Format Digital Format: PDF File Compression: Winzip (required) Usability: Single easy-to-use PDF 📖 Manual Coverage Systems Covered Engine Management: Engine, Control System, Fuel Service Specifications, Emission Control, Intake Exhaust Cooling, Lube, Ignition Starting Charging Drivetrain: Auto Transmission Clutch, Manual Transmission, Transfer Propeller Shaft, Drive Shaft, Differential, Axle Suspension Chassis And Brakes: Tire & Wheel, Brake Control, Brake, Parking Brake, Steering Column, Power Steering Body And Interior: Engine Hood/ Door, Exterior & Interior, Windshield/Glass Mirror, Instrument Panel, Seat Electrical And Accessories: Electrical, Air Condition, Suppl Restraint System, Seat Belt, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Lock, Meter Audio/Visual, Horn Advanced Systems: Multiplex/ Can Communication Procedures Included Repair Scope: Complete repair of all vehicle systems Diagnostic Procedures: Diagnosis and troubleshooting of all systems Maintenance Tasks: Maintenance, Service, Scheduled Maintenance Technical Data Provision: Step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications Technical Depth Depth Of Information: Factory highly detailed repair manuals Illustration Quality: Detailed illustrations and diagrams Wiring Information: Complete wiring schematics 📊 Manual Specifications File Format Compatibility: Windows Vista (32/64), XP, ME, 98, NT, 2000, and Mac Reader Requirement: Adobe PDF Reader (free) Print Quality Printability: All pages printable Enlargement Capability: Images can be blown up and printed enlarged Binding Type Binding: Digital (no physical binding) Paper Type Paper Type: Not applicable (digital format) Download Speed Delivery Method: Speed Download ⚙️ Engine Specifications Primary Engine Engine Options 1979: Likely inline-four and inline-six gasoline, and diesel engines. Example Engine 1979: M110 (2.8L inline-six gasoline) Example Engine 1979 Diesel: OM616 (2.4L inline-four diesel) Performance Horsepower Range: Varies by engine, typically 70-150 hp for early models. Torque Range: Varies by engine, emphasizing low-end torque for off-road capability. Fuel System Fuel Delivery Gasoline: Carbureted (e.g., Solex, Zenith) or early Bosch fuel injection (e.g., K-Jetronic on some variants). Fuel Type: Unleaded gasoline, Diesel 🔧 Transmission Standard Transmission Options: 4-speed and 5-speed manual transmissions Optional Automatic Transmission: Available 4-speed automatic transmission (e.g., 722.1) Features Transfer Case: 2-speed transfer case with selectable 4WD (center differential lock often standard) Gear Ratios: Low-range gearing for extreme off-road conditions 📐 Dimensions Exterior Body Styles 1979: 3-door (SWB) and 5-door (LWB) station wagon variants, also cab-chassis and soft-top options. Wheelbase Swb: Approximately 2400 mm (94.5 inches) Wheelbase Lwb: Approximately 2850 mm (112.2 inches) Weights Curb Weight: Approximately 1800-2000 kg (3968-4409 lbs), depending on configuration. 🛡️ Safety Features Ratings Crash Testing Era: Modern crash testing standards were less prevalent in 1979, focus was on structural integrity for off-road use. Active Features Active Safety Features 1979: Four-wheel drive, locking differentials, robust braking system. Passive Features Passive Safety Features 1979: Reinforced chassis, durable body construction, basic seat belts. 💡 Technology Features Infotainment Infotainment 1979: Basic analog radio, cassette player (optional). Driver Assistance Driver Assistance 1979: Limited to driver aids inherent to the vehicle's mechanical design (e.g., 4WD, differential locks). Connectivity Connectivity 1979: None. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-5,000 miles or 6 months, depending on driving conditions. Filter Replacement: Oil filter with every oil change, air filter every 10,000-15,000 miles, fuel filter every 20,000-30,000 miles. Tune Up Frequency: Spark plugs typically every 20,000-30,000 miles. Fluid Specifications Engine Oil Specification: API SG or higher, SAE 10W-40 or 15W-40 recommended (check manual for specific engine). Transmission Fluid Manual: Gear oil, SAE 75W-90 or 80W-90 GL-4 (check manual). Transmission Fluid Automatic: Dexron III or equivalent ATF. Coolant Type: Ethylene glycol based coolant, typically 50/50 mix with distilled water. Known Issues Common Wear Items: U-joints, suspension bushings, exhaust system components, fuel pumps (early models). Potential Issues Diesel: Glow plug system, injector issues, injection pump maintenance. Rust Prone Areas: Frame, rocker panels, wheel arches, tailgate. 📚...