Vehicle Segment:
Luxury SUV / Off-road Performance Vehicle
Brand Perception:
Represents Mercedes-Benz's pinnacle in off-road capability blended with high-performance AMG engineering and luxury.
Competitors 2003:
Land Rover Range Rover, Porsche Cayenne Turbo, BMW X5 (performance variants).
Performance Focus:
Emphasis on the AMG-tuned, supercharged V8 engine for exceptional power delivery in an SUV chassis.
Off Road Heritage:
Maintains the G-Class's legendary off-road prowess with its robust construction and locking differentials.
Target Audience:
Professional mechanics, DIY enthusiasts, and owners seeking in-depth knowledge for maintenance and repair of their G55 AMG.
Engine:
Detailed diagnosis, repair, and overhaul procedures for the M113 E55 ML 5.4L V8 Kompressor engine.
Transmission:
Service, repair, and torque converter procedures for the 5-speed automatic transmission (722.6).
Drivetrain:
Front and rear differentials, transfer case, drive shafts, and locking differentials.
Suspension:
Front and rear suspension components, shock absorbers, springs, bushings, and alignment specifications.
Brakes:
Brake system diagnosis, repair, ABS/ESP components, rotor and pad replacement, and fluid specifications.
Steering:
Power steering system, steering gear, linkages, and troubleshooting.
Electrical System:
Complete wiring diagrams, component testing, diagnosis of ECUs (Engine Control Unit, Transmission Control Unit, etc.), lighting, and accessories.
Fuel System:
Fuel pump, injectors, fuel pressure regulation, and evaporative emissions control system (EVAP).
Cooling System:
Radiator, water pump, thermostat, cooling fan, and coolant specifications.
Exhaust System:
Catalytic converters, mufflers, exhaust pipes, and sensor diagnostics.
Climate Control:
HVAC system diagnosis, refrigerant handling, compressor, evaporator, and heater core.
Body And Frame:
Body panel removal and installation, door mechanisms, glass, and structural component repair.
Interior:
Seating systems, trim panels, dashboard components, and interior accessory service.
Maintenance:
Scheduled maintenance procedures, fluid changes, filter replacements, and lubrication points.
Troubleshooting:
Diagnostic flowcharts and symptom-based troubleshooting for common and complex issues.
Repair:
Step-by-step repair instructions for all major mechanical and electrical systems.
Component Replacement:
Detailed guides for replacing components such as alternators, starters, ignition coils, sensors, and actuators.
Engine Rebuild:
Comprehensive procedures for engine disassembly, inspection, rebuilding, and reassembly.
Transmission Rebuild:
Detailed steps for transmission overhaul, including torque converter and valve body service.
Brake System Overhaul:
Procedures for caliper rebuilding, ABS module diagnosis, and brake line replacement.
Electrical Diagnostics:
Testing of sensors, actuators, control modules, and detailed wiring diagram interpretation.
Special Tools:
Identification and usage of necessary special tools for specific repair procedures.
Depth Level:
Comprehensive: Covers basic maintenance to advanced diagnostic and repair procedures, including full component overhauls.
Diagnostic Capabilities:
Detailed diagnostic information, including OBD-II codes, live data interpretation, and component testing procedures.
Technical Specifications:
Includes torque specifications, fluid capacities, electrical resistance values, and pressure readings.
Engine Type:
V8, SOHC, 3 valves per cylinder (per bank)
Displacement:
5.4 Liters (5439 cc)
Aspiration:
Supercharged (Lysholm-type twin-screw supercharger)
Horsepower:
469 hp @ 6100 rpm (approx.)
Torque:
516 lb-ft @ 2750-4000 rpm (approx.)
Fuel Delivery:
Multi-point fuel injection
Fuel Type:
Premium Unleaded Gasoline (91 RON or higher)
Coolant Type:
Mercedes-Benz approved coolant (e.g., G48/MB 325.0)
Oil Type:
Synthetic (e.g., MB 229.5 Specification)
Oil Capacity:
Approximately 8.5 liters (with filter change)
Oil Change Interval:
Typically every 10,000 miles or 12 months, whichever comes first (refer to manual for exact Mercedes-Benz recommendations).
Transmission Fluid Change Interval:
Recommended every 30,000-60,000 miles depending on driving conditions (consult manual).
Spark Plug Replacement:
Typically around 100,000 miles for platinum or iridium plugs.
Coolant Spec:
MB 325.0 / G48
Brake Fluid Spec:
DOT 4 (MB 331.0 specification)
Power Steering Fluid Spec:
MB 236.3 specification (Pentosin CHF 11S or equivalent)
Supercharger Belt:
Potential for premature wear or failure of the supercharger drive belt, requiring replacement.
Oxygen Sensors:
Common failure of oxygen sensors can lead to check engine lights and reduced fuel efficiency.
Catalytic Converters:
Failure due to age or rich fuel mixtures, impacting emissions and performance.
Transmission Bottles:
Leakage from transmission cooler lines or electrical connector O-rings can cause fluid loss.
Suspension Bushings:
Wear and tear on control arm and sway bar bushings can lead to clunks and imprecise handling.
Mercedes Benz Legacy:
Mercedes-Benz has a long history of robust, durable, and luxurious vehicles, with the G-Class being a testament to its engineering prowess dating back to the 1970s.
G Class Development:
Originally developed as a military vehicle, the G-Class evolved into a civilian luxury SUV known for its off-road capabilities and distinctive boxy styling.
G55 Amg Introduction:
The G55 AMG variant, featuring a powerful AMG-tuned engine, was introduced to offer a high-performance, luxury SUV experience.
Manufacturing Location:
Graz, Austria (by Magna Steyr)
W463 Platform Years:
1990 - 2018 (with significant updates)