🏷️ Basic Information Identification Make: Mercedes-Benz Model: G-Class Chassis Code: W463 Model Years Covered: 1990-1997 👋 Introduction Market Position Vehicle Segment: Luxury SUV / Off-road vehicle Target Audience: Owners seeking to perform their own maintenance and repairs, independent repair shops specializing in Mercedes-Benz Competitive Analysis Competitors: Land Rover Defender, Toyota Land Cruiser, Jeep Grand Cherokee (though often positioned higher) Key Features Manual Value Proposition: Provides factory-level diagnostic and repair information, empowering users with detailed, accurate procedures and diagrams. Unique Selling Points: Lifetime use, multi-device compatibility, printable, comprehensive coverage for a robust and mechanically complex vehicle. 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Workshop Manual Language: English Format: Digital Download (PDF compatible) Platform Compatibility: Windows & macOS Usage License: Unlimited use, no expiry Printing Rights: Printable (single pages or full manual) 📖 Manual Coverage Systems Covered Engine Mechanical: Full overhaul, components, timing, seals, gaskets Engine Management: Fuel injection, ignition system, sensors, ECU troubleshooting Transmission Manual: Clutch, gearbox, shifter mechanism, overhaul Transmission Automatic: Transmission assembly, hydraulics, torque converter, troubleshooting Drivetrain: Transfer case, differentials (front, center, rear), drive shafts, CV joints Suspension: Front and rear suspension components, springs, shocks, bushings, alignment Steering: Power steering system, steering gear, linkages, steering column Brakes: Front and rear disc brakes, ABS system, hydraulic lines, parking brake Electrical System: Battery, alternator, starter, wiring diagrams, lighting, fuses, relays Body And Chassis: Frame, body panels, doors, windows, roof, interior trim, corrosion protection HVAC: Heating, ventilation, air conditioning system, components, refrigerant handling Fuel System: Fuel tank, fuel pump, fuel lines, injectors, evaporative emissions control Cooling System: Radiator, water pump, thermostat, coolant hoses, fan system Exhaust System: Exhaust manifolds, catalytic converter, mufflers, pipes Procedures Included Maintenance Procedures: Scheduled maintenance, oil changes, filter replacements, fluid checks, lubrication Repair Procedures: Step-by-step instructions for all major component repairs and replacements Troubleshooting: Diagnostic procedures for common and complex issues, symptom-based troubleshooting guides Diagnostics: Fault code interpretation, testing procedures for sensors and actuators Rebuild Procedures: Complete engine and transmission rebuild instructions Technical Specifications: Torque values, clearances, tolerances, fluid capacities, electrical specifications Wiring Diagrams: Comprehensive electrical schematics for all systems Exploded Diagrams: Detailed visual guides for component assembly and disassembly Technical Depth Depth Of Coverage: Comprehensive: Covers basic maintenance to complete engine and transmission rebuilds, including advanced diagnostics. 📊 Manual Specifications File Format Digital Format: PDF Searchability: Likely text-searchable (common for professional manuals) Print Quality Graphic Resolution: High-resolution photos and diagrams suitable for printing Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Options Covered: Likely includes M102 (2.3L Inline-4), M103 (3.0L Inline-6), M104 (3.2L/3.4L Inline-6), M119 (4.2L/5.0L V8), OM602 (2.9L Diesel), OM603 (3.0L Diesel), OM606 (3.0L Turbo Diesel) Performance Horsepower Range: Approx. 110 hp (OM602 Diesel) to 270 hp (M119 V8, depending on version) Torque Range: Approx. 160 lb-ft (OM602 Diesel) to 315 lb-ft (M119 V8) Fuel System Fuel Delivery Gasoline: Bosch KE-Jetronic or EIS (Electronic Ignition and Fuel Injection) Fuel Delivery Diesel: Mechanical or electronic injection pump (e.g., Bosch VE, OM606 uses EDC) 🔧 Transmission Standard Transmission Options: 4-speed automatic (e.g., 722.4), 5-speed manual (less common in North America) Optional Transmission Options: 4-speed automatic (e.g., 722.6 electronic control), 5-speed automatic (e.g., 722.6 for later models) Features Transfer Case: Center differential lock, optional front and rear differential locks (4-ETS system introduced in later W463 generations) 📐 Dimensions Exterior Wheelbase: 2850 mm (112.2 inches) for standard wheelbase Length: Approx. 4660 mm (183.5 inches) for standard wheelbase Width: Approx. 1760 mm (69.3 inches) Height: Approx. 1931 mm (76.0 inches) Weights Curb Weight: Approx. 2000 - 2300 kg (4400 - 5070 lbs) depending on engine and configuration 🛡️ Safety Features Ratings Safety Features Mention: While formal crash ratings for this era are less standardized, the G-Class is known for its robust construction. Active Features Active Safety Systems: ABS (Anti-lock Braking System), available 4-ETS (Electronic Traction System) in later models within this range Passive Features Passive Safety Features: Reinforced chassis, crumple zones, driver and passenger airbags (standard in later years) 💡 Technology Features Infotainment Infotainment System: Basic radio/cassette or CD player; higher trims may have early navigation systems. Driver Assistance Driver Assistance Features: Limited by modern standards, primarily ABS and potentially early traction control systems on later models. Connectivity Connectivity Features: N/A for this period; no integrated Bluetooth or USB. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 7,500 - 10,000 miles (12,000 - 15,000 km) or 12 months, refer to manual for specific engine Transmission Service: Automatic transmission fluid and filter change every 30,000 - 50,000 miles (50,000 - 80,000 km) Coolant Flush: Every 2-3 years or 30,000-50,000 miles Fluid Specifications Engine Oil Type: API SJ/SL or ACEA A2/A3, viscosity varies by temperature (e.g., 0W-40, 5W-40, 10W-40). Refer to manual for exact spec. Automatic Transmission Fluid: MB 236.6 or MB 236.7 (Dexron III equivalent for some)....