Vehicle Segment:
Luxury SUV, off-road capable, iconic status, distinct utilitarian design.
Key Competitors:
Land Rover Range Rover, Toyota Land Cruiser, Lexus LX, Cadillac Escalade, Lincoln Navigator.
Distinguishing Attributes:
Uncompromising off-road capability, robust body-on-frame construction, powerful V8 engine, luxurious interior, timeless and distinctive styling.
Systems Covered:
Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical System, HVAC, Body, Interior, Diagnostics
Page Count:
Extensive (estimated 2000+ pages for comprehensive coverage)
Manual Type:
Official Service and Repair Manual Software
Format:
Software (Digital, likely PDF or proprietary application)
Powertrain:
Detailed coverage of the M273 V8 engine, 7G-TRONIC 7-speed automatic transmission, and 4MATIC all-wheel drive system.
Chassis And Suspension:
Comprehensive information on front and rear solid axles, coil springs, shock absorbers, stabilizer bars, and steering system components.
Braking System:
Includes ABS, EBD, BAS, and detailed procedures for brake pad/rotor replacement, caliper service, and brake fluid bleeding.
Electrical System:
Extensive wiring diagrams, component locations, diagnostic trouble codes (DTCs), and repair procedures for ECUs, sensors, lighting, and power distribution.
Body And Interior:
Coverage for body panels, doors, glass, interior trim, seating, and accessory components.
Maintenance:
Scheduled maintenance tasks, oil changes, filter replacements, fluid checks and top-offs, and component inspections.
Troubleshooting:
Step-by-step diagnostic procedures for identifying and resolving common and complex issues based on symptoms and DTCs.
Repair And Rebuild:
Detailed instructions for component removal, disassembly, repair, reassembly, and installation, including torque specifications and special tool requirements.
Diagnostics:
Guidance on using Mercedes-Benz diagnostic tools (e.g., STAR Diagnosis/XENTRY) for system checks, parameter readings, and actuator tests.
Depth Of Information:
Comprehensive, covering everything from basic fluid checks to complete engine and transmission overhauls, including electrical system diagnostics and bodywork.
Software Features:
Searchable text, interactive diagrams, printable sections, and potential video clips for specific procedures.
Digital Resolution:
High-resolution, ensuring clarity of diagrams, illustrations, and text for easy understanding and printing.
Format For Use:
Digital software, accessible on computers and compatible devices. Printable sections.
Material Quality:
N/A (Digital Format)
Engine Type:
5.5L V8 SOHC 32-valve
Bore X Stroke:
98.0 mm x 90.5 mm
Compression Ratio:
10.0:1
Horsepower:
382 hp @ 5500 rpm
Torque:
391 lb-ft @ 2800-4000 rpm
Fuel Delivery:
Sequential Multi-Port Fuel Injection (MPFI)
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher recommended)
Engine Oil Type:
Mobil 1 Synthetic ESP Formula 5W-40 (or equivalent MB-Approval 229.5)
Engine Oil Capacity:
8.5 liters (9.0 US quarts) with filter change
Coolant Type:
MB-Approved Antifreeze/Coolant (G05 or G48)
Coolant Capacity:
10.5 liters (11.1 US quarts)
Transmission Type:
7G-TRONIC 7-speed automatic
Optional Transmissions:
N/A for 2010 G550 model year
Transmission Features:
TouchShift paddle shifters, Comfort and Sport modes, electronically controlled.
Transmission Fluid Type:
MB-Approval 236.14 (e.g., Shell ATF 134)
Transmission Fluid Capacity:
7.0 liters (7.4 US quarts) for fill, 9.0 liters (9.5 US quarts) for complete overhaul.
NHTSA Front Crash Rating:
4/5 Stars (Driver) / 4/5 Stars (Passenger)
IIHS Front Overlap Impact:
Good
Electronic Stability Program:
Standard (ESP®)
Traction Control:
Standard (ASR)
Antilock Braking System:
Standard (ABS)
Brake Assist:
Standard (BAS)
All Wheel Drive:
Standard (4MATIC)
Airbags:
Front, side, and curtain airbags for front and rear occupants.
Seatbelts:
3-point inertia-reel seatbelts with pre-tensioners and force limiters.
Head Unit:
COMAND APS (Cockpit Management and Navigation EXperience) with 6.5-inch display.
Audio System:
Harman Kardon Logic 7 surround sound audio system (optional on some trims).
Navigation:
Integrated hard-drive based navigation system.
Cruise Control:
Standard Cruise Control, DISTRONIC (adaptive cruise control) was optional.
Parking Assist:
Optional Parking Assist system with front and rear sensors.
Rearview Camera:
Optional rearview camera integrated into the spare tire carrier.
Bluetooth:
Bluetooth hands-free communication system (optional).
Aux Input:
Standard auxiliary audio input.
Oil Change Interval:
Every 10,000 miles (16,000 km) or 12 months, whichever comes first (based on driving conditions, refer to manual).
Transmission Fluid Service:
Typically around 40,000-60,000 miles (64,000-97,000 km), check manual for specific recommendations for filter and fluid replacement.
Spark Plug Replacement:
Platinum spark plugs typically rated for 100,000 miles (160,000 km).
Brake Fluid Flush:
Every 2 years, regardless of mileage.
Power Steering Fluid:
MB-Approval 236.3 (e.g., Pentosin CHF 11S)
Brake Fluid Type:
DOT 4 Plus (MB-Approval 331.0)
Differential Fluid Front:
MB-Approval 235.0 (e.g., SAE 80W-90 GL-5)
Differential Fluid Rear:
MB-Approval 235.0 (e.g., SAE 80W-90 GL-5)
Transfer Case Fluid:
MB-Approval 235.6 (e.g., ATF Dexron III)
Common Wear Items:
Brake pads and rotors (due to vehicle weight and driving conditions), front sway bar bushings, oxygen sensors, potentially the catalytic converter.
Electrical Quirks:
Some owners report minor electrical gremlins or sensor issues, often related to age and exposure to elements.
HVAC System:
HVAC blower motor or resistor issues can occur over time.
Mercedes Benz Legacy:
Pioneer in automotive engineering and luxury vehicle manufacturing since the late 19th century.
G Wagon Origin:
Originally developed as a military vehicle in the 1970s, transitioned to a civilian luxury SUV in 1979. Known for its ruggedness and off-road prowess.
G550 Introduction:
The G550 designation typically refers to models equipped with a naturally aspirated V8 engine, becoming a prominent variant in the G-Class lineup.
Production Location:
Graz, Austria (Magna Steyr)
2010 Updates:
Minor cosmetic updates, introduction of the 7G-TRONIC transmission across the range, enhanced interior appointments.
Off Road Acclaim:
Consistently recognized by automotive publications for its exceptional off-road capabilities and durability. Often cited as a benchmark for luxury off-road vehicles.
Consumer Satisfaction:
While specific year awards are rare, the G-Class generally scores well in owner satisfaction for its unique character and enduring appeal.
Manufacturing Standards:
Manufactured to rigorous Mercedes-Benz global quality and engineering standards.