Mercedes-Benz Mercedes S-Class 2021-present Fuel System Specifications
Explore the comprehensive fuel specifications for the 2021-present Mercedes-Benz S-Class, including fuel types, economy, emissions, and maintenance tips. Essential for owners and technicians.
Overview Specifications
This document provides detailed fuel specifications for the 2021-Present Mercedes S-Class. It includes information on fuel types, efficiency, engine performance, and environmental impact. Use this guide to understand the fuel-related features and capabilities of the S-Class, whether you're a potential buyer, owner, or enthusiast. The document is structured into sections that can be easily navigated to find specific information.
How to Use
Use the search functionality to quickly locate specific fuel-related terms or specifications. Enter keywords such as 'fuel efficiency' or 'engine type' to find relevant sections.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is clearly labeled and contains subsections for detailed information.
Key Specifications
Fuel Tank Capacity
21.1 gallons (80 liters)
EPA MPG (Gasoline)
20 city / 30 highway
EPA MPG (Diesel)
25 city / 35 highway
Hybrid MPGe
60 combined
CO2 Emissions (Gasoline)
220 g/km
Available Specifications
Fuel Types and Compatibility
This section covers the types of fuel compatible with the 2021-Present Mercedes S-Class, including gasoline, diesel, and hybrid options. It also provides details on fuel requirements and recommendations for optimal performance.
Fuel Types and Compatibility
This section covers the types of fuel compatible with the 2021-Present Mercedes S-Class, including gasoline, diesel, and hybrid options. It also provides details on fuel requirements and recommendations for optimal performance.
Gasoline Engines
- Compatible with premium unleaded gasoline (91 octane or higher)
- Recommended for maximum performance and efficiency
- Fuel tank capacity: 21.1 gallons (80 liters)
- Direct injection system for improved fuel delivery
Diesel Engines
- Compatible with ultra-low sulfur diesel (ULSD)
- Recommended for better fuel economy
- Fuel tank capacity: 21.1 gallons (80 liters)
- Common rail direct injection for precise fuel control
Hybrid Options
- Plug-in hybrid variant available
- Combines gasoline engine with electric motor
- Electric-only range: up to 60 miles (97 km)
- Regenerative braking system to recharge battery
Fuel Efficiency and Economy
This section provides detailed information on the fuel efficiency and economy of the 2021-Present Mercedes S-Class. It includes EPA estimates, real-world performance, and tips for improving fuel efficiency.
Fuel Efficiency and Economy
This section provides detailed information on the fuel efficiency and economy of the 2021-Present Mercedes S-Class. It includes EPA estimates, real-world performance, and tips for improving fuel efficiency.
EPA Estimates
- Gasoline models: 20 city / 30 highway MPG
- Diesel models: 25 city / 35 highway MPG
- Hybrid models: 60 MPGe combined
- Electric-only mode: 0 MPG (runs on battery)
Real-World Performance
- Actual mileage may vary based on driving conditions
- Eco mode improves fuel efficiency by up to 10%
- Start-stop technology reduces fuel consumption in traffic
- Aerodynamic design minimizes drag
Tips for Improving Efficiency
- Regular maintenance ensures optimal engine performance
- Use recommended tire pressure to reduce rolling resistance
- Avoid aggressive driving and rapid acceleration
- Plan routes to minimize idling and heavy traffic
Engine Performance and Emissions
This section delves into the engine performance and emissions of the 2021-Present Mercedes S-Class. It covers power output, torque, and environmental impact, including CO2 emissions and compliance with emissions standards.
Engine Performance and Emissions
This section delves into the engine performance and emissions of the 2021-Present Mercedes S-Class. It covers power output, torque, and environmental impact, including CO2 emissions and compliance with emissions standards.
Power and Torque
- Gasoline engines: up to 496 horsepower and 516 lb-ft of torque
- Diesel engines: up to 282 horsepower and 443 lb-ft of torque
- Hybrid models: combined output of 362 horsepower
- Smooth power delivery for a refined driving experience
Emissions and Environmental Impact
- Complies with Euro 6 and EPA Tier 3 emissions standards
- CO2 emissions: gasoline models emit 220 g/km, diesel models emit 180 g/km
- Hybrid models reduce CO2 emissions by up to 30%
- Particulate filters and catalytic converters minimize pollutants
Performance Features
- Turbocharging for increased power and efficiency
- Variable valve timing optimizes engine performance
- Advanced exhaust system reduces noise and emissions
- Thermal management system improves engine efficiency
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Component Specifications
Overview
- Type
- Premium unleaded gasoline or diesel
- Configuration
- Direct injection
- Platform
- MRA (Modular Rear Architecture)
- Material
- High-grade steel and aluminum
- Location
- Rear-mounted fuel tank
Dimensions
- Tank Capacity
- 21.1 gallons (80 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
- 500 cc/min
- Tank Length
- 47.2 inches (1200 mm)
- Tank Width
- 31.5 inches (800 mm)
- Tank Height
- 11.8 inches (300 mm)
Materials
- Fuel Tank
- High-density polyethylene
- Fuel Lines
- Nitrile rubber with steel reinforcement
- Fuel Pump
- Stainless steel and plastic composite
- Fuel injectors
- Aluminum alloy with ceramic tips
- Fuel Filter
- Synthetic fiber with metal casing
Features
- Fuel Delivery
-
- High-pressure direct injection
- Variable fuel pressure control
- Multi-stage fuel filtration
- Adaptive fuel mapping
- Efficiency
-
- Start-stop technology
- Eco mode fuel optimization
- Regenerative braking energy recovery
- Active cylinder deactivation
- Monitoring
-
- Real-time fuel consumption display
- Low fuel warning system
- Fuel quality sensor
- Leak detection system
- Safety
-
- Automatic fuel shutoff in collisions
- Rollover fuel cutoff valve
- Pressurized fuel system safety valve
- Fire-resistant fuel tank material
- Environmental
-
- EVAP (Evaporative Emission Control) system
- Low-emission fuel injectors
- Recyclable fuel system components
- Compatible with biofuel blends
Safety Features
- Collision Protection
-
- Impact-resistant fuel tank
- Automatic fuel pump shutoff
- Fire Prevention
-
- Flame arrestor in fuel filler neck
- Thermal protection for fuel lines
- Emission Control
-
- Sealed fuel system
- Charcoal canister for vapor recovery
Comfort Features
- Refueling
-
- Capless fuel filler
- Automatic fuel door release
- Fuel level precision indicator
- Driving
-
- Smooth fuel delivery
- Quiet fuel pump operation
- Vibration-dampened fuel lines
- Maintenance
-
- Easy-access fuel filter
- Self-diagnosing fuel system
- Long-life fuel pump design
Accessories
- Fuel Additives
-
- Fuel system cleaner
- Octane booster
- Diesel anti-gel
- Refueling Tools
-
- Fuel funnel
- Emergency fuel container
- Fuel cap replacement
- Diagnostics
-
- Fuel pressure tester
- Injector cleaning kit
- Fuel system scanner
Maintenance
- Service interval
- 10,000 miles or 12 months
- Service Items
-
- Fuel filter replacement
- Fuel injector cleaning
- Fuel system pressure check
- EVAP system inspection
- Fuel tank inspection
- Maintenance Notes
- Use only recommended fuel grades and additives
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Fuel pump and injectors
- Emissions
- Miles: 80,000Years: 8Coverage: EVAP system components
- Corrosion
- Miles: 100,000Years: 10Coverage: Fuel tank and lines
- Extended
- Miles: 120,000Years: 12Coverage: Complete fuel system
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Robotic assembly
- Precision injection molding
- Automated quality testing
- Quality Control
- Pressure Testing: 100% of fuel tanksLeak Detection: Ultrasonic testingMaterial Certification: ISO 9001 compliant
- Sustainability Practices
-
- Recycled materials in fuel system components
- Low-emission manufacturing process
- Energy-efficient production facilities
- Production Metrics
- Annual Output: 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 pressure
- Test fuel injector operation
- Inspect EVAP system
- Replace fuel filter if necessary
Use only manufacturer-approved diagnostic tools
- Clean fuel injectors
- Replace fuel filter
- Inspect fuel tank for corrosion
- Test fuel pump pressure
- Check fuel system sensors
Perform complete system diagnostics
- Replace fuel pump if necessary
- Inspect and clean fuel tank
- Replace all fuel lines
- Test EVAP system functionality
- Perform complete fuel system flush
May require specialized equipment for fuel tank service
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of fuel is compatible with the 2021-Present Mercedes S-Class?
What type of fuel is compatible with the 2021-Present Mercedes S-Class?
The 2021-Present Mercedes S-Class is compatible with premium unleaded gasoline with an octane rating of 91 or higher. Diesel models 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 and avoid using lower-grade fuel to prevent engine knocking or damage.
Q2 What are the maintenance requirements for the Mercedes S-Class fuel system?
What are the maintenance requirements for the Mercedes S-Class fuel system?
The Mercedes S-Class fuel system requires regular maintenance, including fuel filter replacement every 30,000 miles and fuel injector cleaning every 15,000 miles. Regularly check for fuel leaks and ensure the fuel cap is securely tightened. Use only high-quality fuel additives approved by Mercedes-Benz to maintain fuel system efficiency and prevent deposits in the engine.
Q3 How do I replace the fuel filter in a Mercedes S-Class?
How do I replace the fuel filter in a Mercedes S-Class?
To replace the fuel filter, first, locate it under the vehicle near the fuel tank. Disconnect the negative battery terminal for safety. Relieve fuel system pressure by removing the fuel pump fuse and running the engine until it stalls. Disconnect the fuel lines and remove the old filter. Install the new filter, reconnect the fuel lines, and secure the filter. Reconnect the battery and start the engine to check for leaks.
Q4 What should I do if my Mercedes S-Class has fuel delivery issues?
What should I do if my Mercedes S-Class has fuel delivery issues?
If you experience fuel delivery issues, check the fuel pump fuse and relay first. Inspect the fuel filter for clogs and replace if necessary. Ensure the fuel tank has adequate fuel and inspect the fuel lines for leaks or damage. If the issue persists, use a diagnostic tool to check for error codes related to the fuel pump or injectors and consult a certified technician.
Q5 How can I optimize fuel efficiency in my Mercedes S-Class?
How can I optimize fuel efficiency in my Mercedes S-Class?
To optimize fuel efficiency, use premium fuel as recommended, maintain proper tire pressure, and avoid excessive idling. Regularly service the fuel system, including fuel filter and injector cleaning. Drive smoothly, avoiding rapid acceleration and hard braking. Utilize the vehicle’s Eco mode if available and remove unnecessary weight from the car to reduce fuel consumption.
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 S-Class Owner’s Manual
Coming SoonComprehensive guide covering vehicle operation, maintenance, and technical specifications for the 2021-Present Mercedes S-Class.
Technical Service Bulletin: Fuel System Update
Coming SoonDetails a software update for the fuel system to improve performance and efficiency in the 2021-Present Mercedes S-Class.
Mercedes S-Class Parts Catalog
Coming SoonProvides a detailed list of OEM parts and accessories for the 2021-Present Mercedes S-Class, including fuel system components.
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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.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
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