Mercedes-Benz Mercedes C-Class 2021-present Fuel System Specifications
Explore the detailed fuel specifications for the 2021-Present Mercedes-Benz C-Class, including fuel types, economy, tank capacity, and emission standards. This guide is essential for owners, buyers, and professionals seeking to optimize performance and efficiency.
Overview Specifications
This document provides detailed fuel specifications for the 2021-Present Mercedes-Benz C-Class. It includes information on fuel types, engine efficiency, and performance metrics. Use this guide to understand the technical aspects of the vehicle's fuel system and how it impacts overall performance. The sections are organized to help you easily find the information you need.
How to Use
Use the search functionality by entering keywords related to fuel specifications, such as 'fuel type' or 'mileage'. The search will highlight relevant sections and subsections for quick access.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is labeled clearly to help you find specific information about the fuel system.
Key Specifications
Fuel Type (Gasoline)
Premium Unleaded (91 octane)
Fuel Type (Diesel)
Ultra-Low Sulfur Diesel (ULSD)
City Mileage (Hybrid)
35-40 mpg
Highway Mileage (Diesel)
36-40 mpg
Combined Mileage (Gasoline)
25-28 mpg
Available Specifications
Fuel Types and Compatibility
This section covers the types of fuel compatible with the 2021-Present Mercedes-Benz C-Class. It includes details on gasoline, diesel, and hybrid options, along with recommendations for optimal performance.
Fuel Types and Compatibility
This section covers the types of fuel compatible with the 2021-Present Mercedes-Benz C-Class. It includes details on gasoline, diesel, and hybrid options, along with recommendations for optimal performance.
Gasoline Engines
- Compatible with premium unleaded gasoline (91 octane or higher)
- Recommended fuel for optimal performance and efficiency
- Equipped with direct injection technology
- Reduces emissions and improves fuel economy
Diesel Engines
- Compatible with ultra-low sulfur diesel (ULSD)
- Designed for high torque and efficiency
- Includes advanced emissions control systems
- Provides excellent mileage for long-distance driving
Hybrid Options
- Combines gasoline engines with electric motors
- Supports regenerative braking for energy recovery
- Reduces fuel consumption and emissions
- Offers multiple driving modes for efficiency
Fuel Efficiency and Mileage
This section provides detailed information on the fuel efficiency and mileage of the 2021-Present Mercedes-Benz C-Class. It includes city, highway, and combined mileage figures for different engine types.
Fuel Efficiency and Mileage
This section provides detailed information on the fuel efficiency and mileage of the 2021-Present Mercedes-Benz C-Class. It includes city, highway, and combined mileage figures for different engine types.
City Mileage
- Gasoline engines: 22-25 mpg
- Diesel engines: 28-31 mpg
- Hybrid models: 35-40 mpg
- Efficiency varies based on driving conditions
Highway Mileage
- Gasoline engines: 30-34 mpg
- Diesel engines: 36-40 mpg
- Hybrid models: 45-50 mpg
- Optimized for long-distance travel
Combined Mileage
- Gasoline engines: 25-28 mpg
- Diesel engines: 32-35 mpg
- Hybrid models: 40-45 mpg
- Balanced performance for all driving conditions
Fuel System Technology
This section explores the advanced fuel system technologies used in the 2021-Present Mercedes-Benz C-Class. It highlights features like direct injection, turbocharging, and hybrid powertrains.
Fuel System Technology
This section explores the advanced fuel system technologies used in the 2021-Present Mercedes-Benz C-Class. It highlights features like direct injection, turbocharging, and hybrid powertrains.
Direct Injection
- Improves fuel atomization for better combustion
- Enhances engine power and efficiency
- Reduces fuel consumption and emissions
- Supports higher compression ratios
Turbocharging
- Increases engine power without larger displacement
- Improves fuel efficiency under load
- Reduces turbo lag with advanced technology
- Enhances overall driving performance
Hybrid Powertrains
- Combines internal combustion engines with electric motors
- Supports all-electric driving for short distances
- Reduces fuel consumption and emissions
- Offers seamless transitions between power sources
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Component Specifications
Overview
- Type
- Gasoline/Diesel Hybrid
- Configuration
- Direct Injection
- Platform
- MRA (Modular Rear Architecture)
- Material
- High-Strength Steel
- Location
- Rear of Vehicle
Dimensions
- Tank Capacity
- 17.4 gallons (66 liters)
- Fuel Line Diameter
- 0.5 inches (12.7 mm)
- Fuel Pump Pressure
- 58 psi (4 bar)
- injector Flow Rate
- 500 cc/min
- Fuel Filter Size
- 3.15 x 2.36 inches (80 x 60 mm)
- Fuel Line Length
- 12 feet (3.66 meters)
- Tank Width
- 28 inches (71.12 cm)
Materials
- Tank
- High-Density Polyethylene
- Fuel Lines
- Nylon with Barrier Layer
- injectors
- Stainless Steel
- Fuel Pump
- Thermoplastic Housing
- Filter
- Cellulose and Synthetic Fiber
Features
- Efficiency
-
- Start-Stop System
- Regenerative Braking
- Eco Mode
- Hybrid Drivetrain
- Performance
-
- Turbocharged Engine
- Direct Injection
- Variable Valve Timing
- Electric Motor Assist
- Monitoring
-
- Fuel Level Sensor
- Fuel Pressure Sensor
- Leak Detection System
- Real-Time MPG Display
- Safety
-
- Rollover Valve
- Vapor Recovery System
- Impact-Activated Fuel Shutoff
- Environmental
-
- Low Emission Standards
- Carbon Canister
- Evaporative Emission Control
Safety Features
- Tank Protection
-
- Impact-Resistant Material
- Shielded Design
- Leak Prevention
-
- Sealed Fuel System
- Automatic Shutoff Valve
- Fire Safety
-
- Flame Arrestor
- Heat Shield
Comfort Features
- Refueling
-
- Easy-Fill Neck
- Automatic Shutoff
- Locking Gas Cap
- Noise Reduction
-
- Insulated Fuel Pump
- Quiet Operation
- Convenience
-
- Fuel Gauge Accuracy
- Range Estimation
Accessories
- Refueling
-
- Fuel Funnel
- Gas Can
- Fuel Additives
- Maintenance
-
- Fuel Filter
- Fuel Injector Cleaner
- Fuel System Tester
- Upgrades
-
- High-Performance Fuel Pump
- Larger Fuel Tank
- Upgraded Fuel Lines
Maintenance
- Service interval
- 10,000 miles or 12 months
- Service Items
-
- Fuel Filter Replacement
- Fuel System Inspection
- Injector Cleaning
- Tank Pressure Test
- Leak Detection Check
- Maintenance Notes
- Use only recommended fuel types and additives.
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Parts and Labor
- Powertrain
- Miles: 100,000Years: 7Coverage: Fuel System Components
- Emissions
- Miles: 70,000Years: 5Coverage: Emission Control System
- Corrosion
- Miles: UnlimitedYears: 10Coverage: Fuel Tank and Lines
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Injection Molding
- Precision Machining
- Automated Assembly
- Quality Control
- Testing: Pressure Testing, Leak Testing, Impact TestingStandards: ISO 9001
- Sustainability Practices
-
- Recycled Materials
- Low Emission Manufacturing
- Energy-Efficient Processes
- Production Metrics
- Annual Volume: 500,000 unitsProduction Time: 2 hours per unitDefect Rate: 0.02%
Service Information for Fuel System 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 tank integrity
Use only OEM-approved parts and fluids.
- Replace fuel filter
- Inspect fuel tank for corrosion
- Test fuel system pressure
- Check for fuel contamination
- Verify injector operation
Perform a comprehensive fuel system diagnostic.
- Replace fuel pump if necessary
- Inspect and clean fuel tank
- Replace fuel lines if worn
- Perform injector flow test
- Check for vapor leaks
Ensure all components meet factory specifications.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of fuel is compatible with the 2021-Present Mercedes C-Class?
What type of fuel is compatible with the 2021-Present Mercedes C-Class?
The 2021-Present Mercedes C-Class is compatible with premium unleaded gasoline with an octane rating of 91 or higher. Using lower octane fuel may result in reduced performance and fuel efficiency. Diesel models require ultra-low sulfur diesel (ULSD). Always refer to the owner’s manual or fuel cap for specific fuel requirements. Using the recommended fuel ensures optimal engine performance, longevity, and compliance with emissions standards.
Q2 What are the maintenance requirements for the Mercedes C-Class fuel system?
What are the maintenance requirements for the Mercedes C-Class fuel system?
The fuel system of the 2021-Present Mercedes C-Class requires regular maintenance to ensure optimal performance. This includes inspecting and replacing the fuel filter every 30,000 miles, checking for fuel leaks, and using high-quality fuel additives periodically to clean the injectors. Additionally, the fuel pump and injectors should be inspected during routine service intervals. Proper maintenance prevents issues like poor fuel economy, engine misfires, and reduced performance.
Q3 How do I replace the fuel filter in a Mercedes C-Class?
How do I replace the fuel filter in a Mercedes C-Class?
To replace the fuel filter in a 2021-Present Mercedes C-Class, first, locate the fuel filter, typically found under the vehicle near the fuel tank. 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. Install the new filter, ensuring the flow direction arrow matches the fuel flow. Reconnect the fuel lines, reinsert the fuse, and start the engine to check for leaks. Always follow the owner’s manual for specific instructions.
Q4 What should I do if my Mercedes C-Class has fuel delivery issues?
What should I do if my Mercedes C-Class has fuel delivery issues?
If your Mercedes C-Class experiences fuel delivery issues, start by checking the fuel pump fuse and relay. Inspect the fuel lines for leaks or blockages. Use a diagnostic tool to check for error codes related to the fuel system. If the fuel filter is clogged, replace it. If the fuel pump is faulty, it may need replacement. Ensure the fuel tank has adequate fuel, as low levels can cause pump overheating. Consult a certified technician for complex issues.
Q5 How can I optimize fuel efficiency in my Mercedes C-Class?
How can I optimize fuel efficiency in my Mercedes C-Class?
To optimize fuel efficiency in your Mercedes C-Class, use premium unleaded gasoline with the recommended octane rating. Maintain proper tire pressure, as underinflated tires increase fuel consumption. Avoid aggressive driving, such as rapid acceleration and braking. Regularly service the fuel system, including the filter and injectors. Use ECO mode if available, and minimize idling. Removing excess weight from the vehicle also improves fuel economy.
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 C-Class Owner’s Manual
Coming SoonComprehensive guide covering fuel specifications, maintenance schedules, and troubleshooting tips for the 2021-Present Mercedes C-Class.
Technical Service Bulletin: Fuel System Updates
Coming SoonLatest updates and recommendations for maintaining the fuel system in the 2021-Present Mercedes C-Class.
Mercedes C-Class Parts Catalog
Coming SoonDetailed catalog of fuel system components and accessories for the 2021-Present Mercedes C-Class.
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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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