Positioning:
The Mercedes-Benz G55 AMG of 2006 occupies a unique niche as a high-performance luxury SUV, blending rugged off-road capability with significant on-road power and luxury. This manual is targeted at owners and independent repair shops seeking authoritative repair information for this specialized vehicle.
Competitors:
Competes with other high-performance luxury SUVs of its era, such as the Range Rover Sport Supercharged, Porsche Cayenne Turbo, and Cadillac Escalade ESV.
Dealership Quality:
This is an officially licensed service manual, mirroring the quality and accuracy found in dealership-level documentation.
Powertrain:
Engine, Transmission, Drivetrain (4x4)
Chassis:
Suspension, Steering, Brakes, Wheels and Tires
Electrical:
Engine Control Module (ECM), Body Control Module (BCM), Lighting, Audio, Climate Control, Power Accessories, Diagnostics
Body And Interior:
Body Panels, Doors, Seats, HVAC, Trim
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and changes
Diagnostics Troubleshooting:
Diagnostic trouble codes (DTCs), fault tracing, component testing, common problem solutions
Repair Overhaul:
Engine repair, transmission overhaul, brake caliper rebuild, suspension component replacement
Component Replacement:
Alternator, starter, water pump, fuel injectors, brake pads, suspension arms
Depth:
Comprehensive - from basic fluid checks to full engine and transmission rebuilds, including electrical schematics and diagnostic procedures.
File Type:
Proprietary software (likely searchable PDF or interactive digital format)
Resolution:
High resolution, optimized for digital viewing and printing.
Scope:
Comprehensive service and repair manual, covering all aspects of the vehicle's mechanical and electrical systems.
Engine Type:
Supercharged V8, SOHC
Displacement:
5.4 Liters (5439 cc)
Bore X Stroke:
97.0 mm x 92.0 mm
Horsepower:
469 hp @ 6100 rpm
Torque:
516 lb-ft @ 2750-4000 rpm
Fuel Delivery:
Sequential multi-point fuel injection (MPI), Supercharger
Fuel Type:
Premium Unleaded (91 Octane or higher recommended)
Engine Oil Type:
Mobil 1 0W-40 Synthetic (or equivalent MB-Approval 229.5)
Engine Oil Capacity:
8.5 quarts (8.0 liters) with filter
Coolant Type:
Mercedes-Benz approved Antifreeze/Coolant (e.g., G48, 50% mix with distilled water)
Coolant Capacity:
Approximately 12.7 quarts (12.0 liters)
Transmission Type:
5-Speed Automatic (722.6 Series)
Optional Transmissions:
N/A (only 5-speed automatic for G55 AMG)
Transmission Features:
TouchShift manual shifting capability, Electronic Stability Program (ESP) integration.
Transmission Fluid Type:
MB 236.10 Automatic Transmission Fluid (ATF) (e.g., Pentosin ATF1, Mobil ATF 134)
Transmission Fluid Capacity:
Approximately 9.5 quarts (9.0 liters) for a complete fluid change.
Length:
189.5 inches (4813 mm)
Width:
76.9 inches (1953 mm)
Height:
78.1 inches (1984 mm)
Wheelbase:
112.2 inches (2850 mm)
Curb Weight:
Approximately 5512 lbs (2500 kg)
Gross Vehicle Weight Rating Gvwr:
Approximately 6724 lbs (3050 kg)
Cargo Volume:
Approximately 19.5 cu ft (rear seats up), expandable with seats folded.
NHTSA Overall Rating:
Not rated under contemporary NHTSA protocols due to its design era, but known for robust construction.
Traction Control:
All-Season Traction Control (4ETS)
Stability Control:
Electronic Stability Program (ESP)
Braking System:
Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BAS)
Airbags:
Front and side airbags for driver and front passenger, optional rear side airbags.
Seatbelts:
3-point inertia-reel seatbelts with pre-tensioners and force limiters.
Chassis Structure:
High-strength steel body-on-frame construction.
Infotainment System:
COMAND (Cockpit Management and Navigation) system with GPS navigation, CD player, and radio.
Audio System:
Harman Kardon premium audio system with amplifier.
Cruise Control:
Standard cruise control.
Parking Assistance:
Optional parking sensors (front and rear).
Connectivity Options:
Limited by era. Likely includes CD changer interface, possibly optional telephone integration.
Oil Change Interval:
Every 10,000 miles (16,000 km) or 1 year, whichever comes first, using synthetic oil.
Air Filter Replacement:
Inspect every 15,000 miles (24,000 km), replace as needed or at approximately 30,000 miles (48,000 km).
Cabin Filter Replacement:
Replace annually or every 15,000 miles (24,000 km).
Transmission Fluid Service:
Recommended every 40,000-60,000 miles (64,000-96,000 km) or as per manual's specific recommendations.
Spark Plug Replacement:
Approximately every 100,000 miles (160,000 km) for iridium spark plugs.
Common Issues:
Supercharger idler pulley failure, potential for ABC suspension issues (though less common on G55 compared to other MB models), exhaust manifold cracks, ignition coil failures, transmission torque converter issues.
Specific G55 Concerns:
Supercharger belt slippage, charge air cooler leaks, engine mounts.
Brake Fluid Type:
DOT 4 Plus (or MB-Approval 331.0)
Power Steering Fluid Type:
MB 236.3 Power Steering Fluid (e.g., Pentosin CHF 11S)
Differential Fluid Type:
Hypoid gear oil, API GL-5, SAE 75W-90 for front and rear differentials. Transfer case fluid: MB 235.6.
Mercedes Benz Heritage:
Mercedes-Benz has a long history of producing robust, high-quality vehicles, particularly known for their engineering prowess and luxury appointments. The G-Class originated as a military vehicle.
G Class Evolution:
The G-Class (W463) was introduced in 1990, evolving from its more utilitarian predecessors. The G55 AMG variant, introduced in 2002, brought significant performance enhancements and luxury features to the model line.
Production Location:
Graz, Austria (by Magna Steyr)
Production Years For G55 Amg:
2002-2011 (for the W463 G55 AMG with the supercharged V8)
Off Road Capability Awards:
The G-Class is renowned for its off-road prowess, often praised in automotive media for its legendary go-anywhere ability, which is a key differentiator for the G55 AMG.
Performance Reviews:
Consistently received high marks for its potent acceleration, unique styling, and luxurious interior despite its rugged underpinnings.
