This comprehensive 1983 Mercedes G-Class (W463) Service and Repair Manual provides detailed instructions and illustrations for maintaining, servicing, diagnosing, and repairing all models of the 1983 G-Class. This manual is the same one used by technicians at Mercedes dealerships, offering vehicle-specific information rather than generic repair guides. It covers a wide range of topics, including: **Maintenance:** This section covers routine maintenance procedures such as oil changes, filter replacements, and fluid checks. **Engine:** Delve into the intricacies of the engine, covering topics such as engine diagnostics, repair, and rebuilding. **Control System:** Understand the vehicle's control systems, including electronic control units (ECUs) and sensors, offering guidance on troubleshooting and repair. **Mechanical:** This comprehensive section covers all aspects of the vehicle's mechanical systems, from the transmission and drivetrain to the suspension and brakes. **Fuel Service Specifications:** This section provides detailed information on fuel system components, including the fuel tank, fuel lines, fuel pump, and injectors, along with specifications and troubleshooting guides. **Emission Control:** Learn about the vehicle's emission control system, including catalytic converters, oxygen sensors, and exhaust gas recirculation (EGR) systems. **Intake Exhaust Cooling:** This section focuses on the intake and exhaust systems, covering components like the intake manifold, exhaust manifold, and cooling systems. **Lubrication:** This section covers lubrication systems, including oil filters, oil pumps, and lubrication schedules. **Ignition Starting Charging:** Get detailed information on ignition, starting, and charging systems, covering components like spark plugs, ignition coils, starters, and alternators. **Automatic Transmission & Clutch:** This section covers automatic transmissions, including troubleshooting and repair. **Manual Transmission:** This section focuses on manual transmissions and clutches, offering step-by-step instructions for repair and maintenance. **Transfer Propeller Shaft:** This section provides information on the transfer case and propeller shafts, covering lubrication, inspection, and repair. **Drive Shaft:** This section covers drive shafts, including diagnosis and repair. **Differential & Axle:** Explore the differentials and axles, covering components, lubrication, diagnostics, and repair. **Suspension:** This section covers all aspects of the suspension, including shock absorbers, springs, and control arms. **Tire & Wheel:** Learn about tire and wheel specifications, maintenance, and repair. **Brake Control:** Understand the brake control system, including the master cylinder, brake booster, and anti-lock braking system (ABS). **Brake System:** This section covers the brake system, including calipers, rotors, and pads. **Parking Brake:** Get information on the parking brake system, including adjustment and repair. **Steering Column & Power Steering:** This section covers the steering column and power steering system, including components, diagnostics, and repair. **Air Conditioning:** This section covers the air conditioning system, including refrigerants, components, and troubleshooting. **Supplemental Restraint System:** Understand the Supplemental Restraint System (SRS), including airbags and seat belts. **Seat Belts:** This section provides information on seat belt repair and maintenance. **Engine Immobilizer:** Learn about the engine immobilizer system, including how it functions and how to troubleshoot any issues. **Cruise Control:** This section covers the cruise control system, including components and repair. **Wiper & Washer:** This section covers the wiper and washer system, including motors, blades, and fluid reservoirs. **Door Lock:** This section covers the door lock system, including actuators, mechanisms, and repair. **Meter Audio/Visual:** This section covers the instrument cluster, gauges, and warning lights. **Horn:** This section covers the horn, including installation and repair. **Windshield/Glass Mirror:** This section covers the windshield, glass, and mirrors. **Instrument Panel:** This section covers the instrument panel, including components and repair. **Seat:** This section covers the seats, including adjustment, repair, and upholstery. **Engine Hood/Door:** This section covers the engine hood and doors, including hinges, latches, and repair. **Exterior & Interior:** This section covers the exterior and interior of the vehicle, including body panels, trim, and upholstery. **Electrical:** This comprehensive section covers the electrical system, including wiring diagrams, fuses, and relays. **Multiplex/Can Communication:** Learn about the multiplex and CAN communication systems, which control various electronic functions in the vehicle. This manual is a valuable resource for anyone who wants to learn more about the 1983 Mercedes G-Class (W463) and perform their own repairs.

The 1983 Mercedes-Benz G-Class (W463) is a legendary off-road vehicle that marked the beginning of a long and illustrious lineage. Introduced in 1979, the G-Wagen, as it is affectionately known, was initially designed as a collaborative effort between Steyr-Daimler-Puch of Austria and Daimler-Benz of Germany. This rugged vehicle was intended for military use, boasting a robust ladder frame chassis, powerful engines, and exceptional ground clearance. While its origins were rooted in military service, the G-Class's luxurious appointments and exceptional performance quickly attracted civilian buyers. The 1983 model year saw the introduction of the first diesel engine option, broadening the G-Class's appeal to a wider audience. The 1983 G-Class embodied the spirit of off-road adventure, its boxy design a testament to its utilitarian roots. The vehicle featured a high-mounted, upright grille with a prominent three-pointed star emblem, and large, circular headlights that provided ample illumination in challenging conditions. Inside, the G-Class offered a spartan but functional cabin, featuring durable vinyl seats, a simple dashboard, and a robust, analog instrument cluster. While it lacked the modern amenities of its later counterparts, the 1983 G-Class provided a raw and engaging driving experience, offering both exceptional off-road capability and unexpected on-road comfort. The vehicle's enduring legacy is a testament to its timeless design, rugged durability, and unparalleled off-road prowess.