Mercedes-Benz Mercedes G-Class 1979-2018 Fuel System Specifications
Explore detailed fuel specifications for the 1979-2018 Mercedes G-Class, including fuel types, tank capacity, consumption, and emissions standards. Essential for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed fuel specifications for the Mercedes G-Class models produced between 1979 and 2018. It includes information on fuel types, consumption rates, engine configurations, and emissions standards. Use this guide to understand the technical aspects of fuel usage in these vehicles. Navigate through sections to find specific details or use the quick reference for key specifications.
How to Use
Use the search functionality to quickly locate specific fuel-related terms or model years. Enter keywords like 'diesel', 'petrol', or 'emissions' to filter relevant information.
Navigate through the document by scrolling or using the table of contents. Each section is clearly labeled, and subsections provide detailed points for easy reference.
Key Specifications
Fuel Type
Petrol/Diesel
Avg. City Consumption
10-20 L/100km
Avg. Highway Consumption
7-12 L/100km
CO2 Emissions
100-300 g/km
Emission Standard
Euro 0 to Euro 6
Available Specifications
Fuel Types and Compatibility
This section covers the different fuel types compatible with Mercedes G-Class models from 1979 to 2018, including petrol, diesel, and their respective octane ratings. It also discusses fuel system requirements and recommendations for optimal performance.
Fuel Types and Compatibility
This section covers the different fuel types compatible with Mercedes G-Class models from 1979 to 2018, including petrol, diesel, and their respective octane ratings. It also discusses fuel system requirements and recommendations for optimal performance.
Petrol Engines
- Supports unleaded petrol with octane ratings of 91 or higher
- Early models (1979-1990) may require leaded petrol
- Direct injection systems introduced in later models
- Fuel additives recommended for older models
Diesel Engines
- Compatible with standard diesel fuel
- Low-sulfur diesel required for models post-2000
- Turbocharged diesel engines available from 1990
- AdBlue system introduced in 2016 models
Fuel Consumption and Efficiency
This section provides data on fuel consumption rates for various G-Class models, including city, highway, and combined driving conditions. It also highlights advancements in fuel efficiency over the years.
Fuel Consumption and Efficiency
This section provides data on fuel consumption rates for various G-Class models, including city, highway, and combined driving conditions. It also highlights advancements in fuel efficiency over the years.
City Driving
- Early models: 15-20 L/100km
- 2000s models: 12-15 L/100km
- 2010s models: 10-12 L/100km
- Hybrid models: 8-10 L/100km
Highway Driving
- Early models: 10-12 L/100km
- 2000s models: 8-10 L/100km
- 2010s models: 7-9 L/100km
- Hybrid models: 6-8 L/100km
Emissions and Environmental Impact
This section discusses the emissions standards met by the G-Class models over the years, including Euro norms and CO2 emissions. It also covers advancements in reducing environmental impact.
Emissions and Environmental Impact
This section discusses the emissions standards met by the G-Class models over the years, including Euro norms and CO2 emissions. It also covers advancements in reducing environmental impact.
Euro Emission Standards
- Pre-1992 models: Euro 0
- 1992-2000 models: Euro 1 and Euro 2
- 2000-2010 models: Euro 3 and Euro 4
- Post-2010 models: Euro 5 and Euro 6
CO2 Emissions
- Early models: 250-300 g/km
- 2000s models: 200-250 g/km
- 2010s models: 150-200 g/km
- Hybrid models: 100-150 g/km
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Component Specifications
Overview
- Type
- Gasoline/Diesel
- Configuration
- Internal Combustion Engine
- Platform
- Mercedes-Benz G-Class
- Material
- Petroleum-based
- Location
- Fuel tank, engine
Dimensions
- Fuel Tank Capacity
- 25.4 gallons (96 liters)
- Fuel Line Diameter
- 0.5 inches (12.7 mm)
- Fuel Pump Pressure
- 58 psi (4 bar)
- Fuel Filter Size
- 4.7 x 2.8 inches (120 x 70 mm)
- Fuel injector Flow Rate
- 19.5 lbs/hr (8.8 kg/hr)
- Fuel Rail Length
- 24 inches (610 mm)
- Fuel Tank Weight
- 45 lbs (20.4 kg) when empty
Materials
- Fuel Tank
- High-density polyethylene
- Fuel Lines
- Reinforced synthetic rubber
- Fuel Pump
- Stainless steel and plastic composite
- Fuel Filter
- Cellulose and resin
- Fuel injectors
- Aluminum and stainless steel
Features
- Fuel Delivery
-
- Electronic fuel injection
- Multi-point fuel injection
- High-pressure fuel pump
- Variable fuel pressure regulation
- Fuel Storage
-
- Impact-resistant fuel tank
- Anti-slosh baffles
- Integrated fuel level sensor
- Ventilation system
- Fuel Efficiency
-
- Start-stop technology
- Eco mode
- Optimized combustion
- Reduced emissions
- Fuel Safety
-
- Rollover valve
- Fuel cutoff switch
- Leak detection system
- Fire-resistant materials
- Fuel Monitoring
-
- Real-time fuel consumption display
- Low fuel warning
- Range estimation
- Fuel quality sensor
Safety Features
- Crash Safety
-
- Automatic fuel cutoff
- Reinforced fuel tank
- Impact-resistant fuel lines
- Fire Prevention
-
- Flame arrestor
- Heat shields
- Fire-resistant coatings
- Environmental Protection
-
- Evaporative emissions control
- Leak detection system
- Recyclable materials
Comfort Features
- Refueling
-
- Easy-access fuel cap
- Automatic fuel door
- Fuel level indicator
- Driving
-
- Smooth fuel delivery
- Quiet operation
- Consistent performance
- Maintenance
-
- Easy fuel filter replacement
- Self-diagnostic system
- Long service intervals
Accessories
- Fuel Additives
-
- Fuel system cleaner
- Octane booster
- Diesel anti-gel
- Fuel Storage
-
- Portable fuel cans
- Fuel stabilizers
- Fuel transfer pumps
- Fuel Monitoring
-
- Fuel flow meters
- Fuel consumption trackers
- Diagnostic tools
Maintenance
- Service interval
- 10,000 miles or 12 months
- Service Items
-
- Fuel filter replacement
- Fuel injector cleaning
- Fuel system inspection
- Fuel pump testing
- Fuel line inspection
- Maintenance Notes
- Use only recommended fuel types and additives. Regularly check for leaks and ensure proper fuel system ventilation.
Warranty
- Basic Warranty
- Miles: 50,000Years: 4Coverage: Fuel system components
- Powertrain Warranty
- Miles: 100,000Years: 7Coverage: Fuel pump and injectors
- Emissions Warranty
- Miles: 80,000Years: 8Coverage: Evaporative emissions system
- Corrosion Warranty
- Miles: UnlimitedYears: 30Coverage: Fuel tank corrosion
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Injection molding for fuel tank
- Precision machining for fuel injectors
- Automated assembly for fuel pump
- Quality Control
- Pressure Testing: Fuel lines and tankLeak Testing: Complete fuel systemPerformance Testing: Fuel injectors and pump
- Sustainability Practices
-
- Recyclable fuel tank materials
- Low-emission manufacturing
- Energy-efficient production
- Production Metrics
- Annual Production: 500,000 unitsDefect Rate: 0.01%Energy Consumption: 15 kWh per unit
Service Information for fuel Service
Maintenance and service requirements specific to the fuel system
- Inspect fuel lines for leaks
- Check fuel filter condition
- Test fuel pump pressure
- Clean fuel injectors
- Verify fuel level sensor accuracy
Use only manufacturer-approved fuel additives.
- Replace fuel filter
- Inspect fuel tank for damage
- Check fuel system ventilation
- Test fuel injector flow rate
- Verify emissions compliance
Ensure proper disposal of old fuel filter.
- Replace fuel pump if necessary
- Inspect and clean fuel tank
- Check fuel rail pressure
- Test fuel system for leaks
- Verify fuel system performance
Major service may require specialized tools.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of fuel is compatible with the 1979-2018 Mercedes G-Class?
What type of fuel is compatible with the 1979-2018 Mercedes G-Class?
The 1979-2018 Mercedes G-Class is compatible with premium unleaded gasoline with an octane rating of 91 or higher. Diesel models, such as the G350d, require ultra-low sulfur diesel (ULSD). Using the recommended fuel ensures optimal engine performance, fuel efficiency, and longevity. Always refer to the owner’s manual for specific fuel requirements based on the model year and engine type.
Q2 What are the maintenance requirements for the Mercedes G-Class fuel system?
What are the maintenance requirements for the Mercedes G-Class fuel system?
Regular maintenance of the Mercedes G-Class fuel system includes inspecting and replacing the fuel filter every 30,000 miles, checking fuel lines for leaks or wear, and using fuel system cleaners periodically to prevent deposits. Diesel models may require additional maintenance, such as cleaning the diesel particulate filter (DPF). Adhering to the manufacturer’s service schedule ensures efficient fuel delivery and prevents costly repairs.
Q3 How do I replace the fuel filter in a Mercedes G-Class?
How do I replace the fuel filter in a Mercedes G-Class?
To replace the fuel filter in a Mercedes G-Class, first, locate the filter, typically near the fuel tank or engine bay. Depressurize the fuel system by removing the fuel pump fuse and running the engine until it stalls. Disconnect the fuel lines and remove the old filter, ensuring no fuel spills. Install the new filter, reconnect the lines, and restore the fuel pump fuse. Start the engine and check for leaks.
Q4 What should I do if my Mercedes G-Class has fuel delivery issues?
What should I do if my Mercedes G-Class has fuel delivery issues?
If your Mercedes G-Class experiences fuel delivery issues, start by checking the fuel pump fuse and relay. Inspect the fuel filter for clogs and replace it if necessary. Test the fuel pressure using a gauge to ensure the pump is functioning correctly. If the issue persists, inspect the fuel injectors for blockages or leaks. Consult a professional mechanic for advanced diagnostics and repairs.
Q5 How can I optimize the fuel efficiency of my Mercedes G-Class?
How can I optimize the fuel efficiency of my Mercedes G-Class?
To optimize fuel efficiency in your Mercedes G-Class, use the recommended fuel grade, maintain proper tire pressure, and avoid excessive idling. Regularly service the fuel system, including replacing the fuel filter and cleaning injectors. Drive smoothly, avoiding rapid acceleration and heavy braking. Additionally, remove unnecessary weight from the vehicle and ensure the engine is tuned to factory specifications.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Mercedes G-Class Service Manual
Coming SoonProvides detailed instructions for servicing and maintaining the Mercedes G-Class, including fuel system components and troubleshooting steps.
Technical Service Bulletin: Fuel System Updates
Coming SoonOutlines important updates and fixes for the fuel system in various Mercedes G-Class models, including part numbers and installation procedures.
Mercedes G-Class Parts Catalog
Coming SoonA comprehensive guide to genuine parts and accessories for the Mercedes G-Class, including fuel system components and compatibility information.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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