🏷️ Basic Information Identification Make: Mercedes-Benz Model: G55 AMG Year: 2004 Codes Internal Model Code: W463 Engine Code: 113.992 👋 Introduction Market Position Market Position: Luxury performance SUV, niche segment with significant off-road capability and AMG enhanced performance Competitive Analysis Competitive Analysis: Competed against other high-performance SUVs and luxury off-roaders, offering a unique blend of brute force and brand prestige Key Features Key Features: Hand-built AMG V8 engine, robust W463 chassis, three locking differentials, luxurious interior, iconic design Manual Purpose Manual Purpose: To provide authorized technicians and knowledgeable owners with comprehensive diagnostic, repair, and maintenance procedures for the 2004 G55 AMG 📋 Manual Details Coverage Areas Coverage Areas: Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical Systems, HVAC, Body, Interior, Diagnostic Procedures, Maintenance Schedules Page Count Page Count: Thousands of pages (digital software) Manual Type Manual Type: Official Service and Repair Manual Software Language Language: English Format Format: Software (likely PDF or proprietary viewer) 📖 Manual Coverage Systems Covered Engine Service: Complete overhaul, component testing, timing, fuel injection, ignition, cooling, lubrication Transmission Service: 5-speed automatic (722.6), hydraulic control, electronic control unit, torque converter, overhaul procedures Drivetrain Service: Front and rear differentials, transfer case, driveshafts, CV joints, locking differentials Suspension Service: Independent front suspension, solid rear axle, coil springs, shock absorbers, bushings, alignment specifications Steering Service: Hydraulic power steering system, steering gear, linkages, steering column, power steering fluid specifications Brake Service: Front and rear disc brakes, ABS, EBD, brake fluid type and bleeding procedures, caliper and rotor specifications Electrical System Service: Wiring diagrams, component testing, fuses and relays, battery, alternator, starter, lighting, body control module (BCM), CAN bus HVAC Service: Air conditioning system, heater core, blower motor, climate control module, refrigerant type and charge Body And Interior Service: Panel removal and installation, door mechanisms, glass, seats, trim panels, exterior lighting Procedures Included Preventative Maintenance: Oil change intervals, filter replacement, fluid checks, spark plug replacement, belt inspection and replacement Troubleshooting: Diagnostic trouble codes (DTCs), symptom-based troubleshooting guides, common fault diagnosis Repair Procedures: Step-by-step instructions for component removal, repair, and reinstallation with torque specifications Diagnostic Tools: Information on using Mercedes-Benz diagnostic equipment (e.g., Star Diagnosis/XENTRY) for advanced diagnostics and programming Technical Depth Technical Depth: Comprehensive, covering from basic maintenance to complete engine and transmission rebuilds, including complex electrical diagnostics 📊 Manual Specifications File Format File Format: Software-based (likely searchable PDF or proprietary application) Print Quality Print Quality: N/A (Digital, but printable pages offer excellent clarity) Binding Type Binding Type: N/A (Digital Software) Paper Type Paper Type: N/A (Digital Software) ⚙️ Engine Specifications Primary Engine Engine Type: Supercharged 5.4L V8 SOHC Engine Displacement: 5439 cc Performance Horsepower: 469 hp @ 6100 rpm Torque: 516 lb-ft @ 2750-4000 rpm Fuel System Fuel Delivery: Electronic fuel injection (EFI) with supercharger Recommended Fuel: Premium Unleaded 91 octane or higher Cooling System Coolant Type: Mercedes-Benz approved coolant (e.g., G48 or equivalent blue/green ethylene glycol mixture) Lubrication Oil Type: MB 229.5 Approved Synthetic Oil (e.g., Mobil 1 0W-40 or equivalent) Oil Capacity: Approx. 8.5 liters (with filter) 🔧 Transmission Standard Transmission Type: 5-speed Automatic (722.6) Features Transmission Features: TouchShift manual shifting, electronically controlled, adaptive shift programs Fluid Specifications Transmission Fluid Type: Mercedes-Benz MB 236.10 or MB 236.12 Automatic Transmission Fluid (ATF) Fluid Capacity Transmission Fluid Capacity: Approx. 8-9 liters (dry fill) 📐 Dimensions Exterior Length: 4635 mm (182.5 in) Width: 1810 mm (71.3 in) (excluding mirrors) Height: 1934 mm (76.1 in) Wheelbase: 2850 mm (112.2 in) Weights Curb Weight: Approx. 2500 kg (5511 lbs) Gross Vehicle Weight Rating: Approx. 3300 kg (7275 lbs) Towing Capacity: 3500 kg (7716 lbs) 🛡️ Safety Features Ratings NHTSA Rating: Specific NHTSA ratings for 2004 model may vary; generally robust construction expected Active Features Active Safety Features: Anti-lock Braking System (ABS), Electronic Stability Program (ESP), Traction Control System (ASR) Passive Features Passive Safety Features: Front and side airbags, front seatbelt pretensioners, reinforced body structure 💡 Technology Features Infotainment Infotainment System: COMAND (Cockpit Management and Navigation) system with CD player, AM/FM radio, optional navigation and premium audio Driver Assistance Driver Assistance Features: Cruise Control, Parking Sensors (front and rear) Connectivity Connectivity Options: Limited by 2004 standards; may include CD changer integration, optional phone pre-wiring Lighting Lighting Features: Xenon headlights (low beam), automatic headlight control 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 miles or 12 months, whichever comes first (under normal driving conditions; consult manual for severe conditions) Transmission Service Interval: Every 40,000-60,000 miles (fluid and filter replacement) Spark Plug Replacement Interval: Refer to manual, typically around 60,000-100,000 miles for iridium plugs Fluid Specifications Brake Fluid Type: DOT 4 (Mercedes-Benz recommends MB 331.0) Power Steering Fluid Type: MB 236.3 specification (e.g., Pentosin CHF 11S or equivalent) Differential Fluid Type: API GL-5, SAE 75W-90 or 75W-140 (specific grades for front/rear and center diff may vary, consult manual) Known Issues Known Issues: Supercharger clutch/pulley wear, potential for...