Mercedes-Benz Mercedes C-Class 2014-2021 Fuel System Specifications
Explore the fuel specifications for the 2014-2021 Mercedes-Benz C-Class, including fuel type, octane rating, capacity, and efficiency. Essential for optimal performance and maintenance.
Overview Specifications
This document provides detailed fuel specifications for the 2014-2021 Mercedes C-Class. It includes information on fuel types, efficiency, tank capacity, and other related technical details. Use this guide to understand the fuel-related features of the vehicle and optimize its performance. The document is structured into sections for easy navigation and includes a quick reference for key specifications.
How to Use
Use the search functionality to quickly find specific fuel-related terms or specifications. Enter keywords like 'fuel efficiency' or 'tank capacity' in the search bar to locate relevant information instantly.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is clearly labeled, and subsections provide detailed points for easy reference.
Key Specifications
Fuel Type
Gasoline/Diesel/Hybrid
Tank Capacity
13.5-17.4 gallons
City MPG
22-60
Highway MPG
31-56
Combined MPG
26-58
Available Specifications
Fuel Types
This section covers the various fuel types compatible with the 2014-2021 Mercedes C-Class. It includes details on gasoline, diesel, and hybrid options, as well as the recommended fuel grades for optimal performance.
Fuel Types
This section covers the various fuel types compatible with the 2014-2021 Mercedes C-Class. It includes details on gasoline, diesel, and hybrid options, as well as the recommended fuel grades for optimal performance.
Gasoline Models
- Compatible with unleaded gasoline
- Recommended octane rating: 91 or higher
- Available in 2.0L and 3.0L engine options
- Fuel injection system: Direct injection
Diesel Models
- Compatible with ultra-low sulfur diesel
- Recommended cetane rating: 50 or higher
- Available in 2.1L engine option
- Fuel injection system: Common rail direct injection
Hybrid Models
- Combines gasoline engine with electric motor
- Recommended fuel: Premium unleaded gasoline
- Battery type: Lithium-ion
- Regenerative braking system
Fuel Efficiency
This section provides details on the fuel efficiency of the 2014-2021 Mercedes C-Class. It includes city, highway, and combined MPG ratings for different engine configurations, as well as factors affecting fuel economy.
Fuel Efficiency
This section provides details on the fuel efficiency of the 2014-2021 Mercedes C-Class. It includes city, highway, and combined MPG ratings for different engine configurations, as well as factors affecting fuel economy.
Gasoline Engines
- City MPG: 22-24
- Highway MPG: 31-35
- Combined MPG: 26-28
- Fuel-saving features: Start-stop technology
Diesel Engines
- City MPG: 28-30
- Highway MPG: 40-45
- Combined MPG: 33-36
- Fuel-saving features: Eco mode
Hybrid Models
- City MPG: 58-60
- Highway MPG: 54-56
- Combined MPG: 56-58
- Fuel-saving features: Electric-only mode
Fuel Tank and Capacity
This section outlines the fuel tank specifications for the 2014-2021 Mercedes C-Class. It includes details on tank capacity, materials, and design features that enhance fuel storage and safety.
Fuel Tank and Capacity
This section outlines the fuel tank specifications for the 2014-2021 Mercedes C-Class. It includes details on tank capacity, materials, and design features that enhance fuel storage and safety.
Tank Capacity
- Gasoline models: 17.4 gallons
- Diesel models: 16.4 gallons
- Hybrid models: 13.5 gallons
- Material: High-density polyethylene
Design Features
- Anti-spill fuel filler neck
- Integrated fuel pump
- Pressure relief valve
- Impact-resistant construction
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Component Specifications
Overview
- Type
- Gasoline/Diesel
- Configuration
- Internal Combustion Engine
- Platform
- Mercedes-Benz MRA
- Material
- Aluminum/Steel
- Location
- Front Engine
Dimensions
- Tank Capacity Imperial
- 17.4 gallons
- Tank Capacity Metric
- 66 liters
- Fuel Line Diameter Imperial
- 0.375 inches
- Fuel Line Diameter Metric
- 9.525 mm
- Fuel Pump Pressure Imperial
- 58 psi
- Fuel Pump Pressure Metric
- 4 bar
- Fuel injector Spray Angle
- 30 degrees
Materials
- Fuel Tank
- High-density polyethylene
- Fuel Lines
- Nylon with rubber coating
- Fuel Pump
- Stainless steel with plastic housing
- Fuel injectors
- Stainless steel with precision nozzles
Features
- Fuel Efficiency
-
- Start-stop technology
- Direct fuel injection
- Turbocharging
- Eco mode
- Emission Control
-
- Catalytic converter
- Exhaust gas recirculation
- Particulate filter
- AdBlue injection
- Fuel Delivery
-
- High-pressure fuel pump
- Multi-point injection
- Electronic fuel control
- Variable fuel pressure
- Safety
-
- Fuel cut-off switch
- Leak detection system
- Pressure relief valve
- Monitoring
-
- Fuel level sensor
- Fuel quality sensor
- Diagnostic port
Safety Features
- Crash Safety
-
- Automatic fuel shut-off
- Impact-resistant fuel tank
- Fire Prevention
-
- Flame arrestor
- Fuel vapor recovery system
- Leak Detection
- Integrated fuel leak sensor
Comfort Features
- Refueling
-
- Easy-access fuel cap
- Automatic fuel door release
- Noise Reduction
-
- Insulated fuel lines
- Quiet fuel pump operation
- Convenience
-
- Fuel range display
- Low fuel warning
Accessories
- Fuel Additives
-
- Fuel system cleaner
- Octane booster
- Diesel conditioner
- Refueling Tools
-
- Fuel funnel
- Emergency fuel container
- Fuel line disconnect tool
- Maintenance
-
- Fuel filter
- Fuel pump relay
- Fuel pressure tester
Maintenance
- Service interval Miles
- 10,000
- Service interval Months
- 12
- Service Items
-
- Inspect fuel lines for leaks
- Replace fuel filter
- Check fuel pump pressure
- Clean fuel injectors
- Test fuel system for contamination
- Maintenance Notes
- Use only recommended fuel grade and additives
Warranty
- Basic Warranty
- Miles: 50,000Years: 4Coverage: Fuel system components
- Powertrain Warranty
- Miles: 100,000Years: 5Coverage: Fuel pump and injectors
- Emissions Warranty
- Miles: 70,000Years: 7Coverage: Catalytic converter and sensors
- Corrosion Warranty
- Miles: UnlimitedYears: 30Coverage: Fuel tank
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Precision molding for fuel tank
- Automated assembly for fuel pump
- Laser cutting for fuel injectors
- Quality Control
- Pressure Testing: All fuel lines and tanksLeak Testing: Complete fuel systemPerformance Testing: Fuel pump and injectors
- Sustainability Practices
-
- Recycled materials for fuel lines
- Low-emission manufacturing
- Eco-friendly disposal of old components
- Production Metrics
- Units Per Day: 500Defect Rate: 0.01%Energy Usage: Low
Service Information for fuel Service
Maintenance and service requirements specific to the fuel system
- Inspect fuel lines and connections
- Check fuel pump operation
- Test fuel pressure
- Replace fuel filter
Ensure fuel system is free from leaks and contamination
- Clean fuel injectors
- Inspect fuel tank for damage
- Check fuel level sensor accuracy
- Test fuel system for performance
Use diagnostic tools for comprehensive testing
- Replace fuel pump if necessary
- Inspect and clean fuel tank
- Check and replace fuel lines
- Perform complete system diagnostics
Major service requires specialized equipment and expertise
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the fuel type compatibility for the 2014-2021 Mercedes C-Class?
What is the fuel type compatibility for the 2014-2021 Mercedes C-Class?
The 2014-2021 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 engine knocking. Diesel variants, such as the C220d, require diesel fuel meeting EN 590 standards. Always refer to the owner’s manual for specific fuel requirements to ensure optimal performance and longevity.
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 Mercedes C-Class requires regular maintenance, including fuel filter replacement every 30,000 miles or as recommended in the service manual. Inspect fuel lines and connections for leaks or damage during routine service. Use only high-quality fuel additives designed for Mercedes-Benz vehicles to maintain fuel injector cleanliness. Adhering to the manufacturer’s maintenance schedule ensures efficient fuel system performance.
Q3 How do I replace the fuel filter on a Mercedes C-Class?
How do I replace the fuel filter on a Mercedes C-Class?
To replace the fuel filter on a 2014-2021 Mercedes C-Class, first, locate the filter 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 electrical connectors, then remove the filter housing. Install the new filter, ensuring proper orientation, and reconnect all components. Finally, prime the fuel system by turning the ignition on and off several times before starting the engine.
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, first check the fuel pump fuse and relay for functionality. Inspect the fuel filter for clogs and replace if necessary. Use a diagnostic tool to check for error codes related to the fuel system. If the issue persists, inspect the fuel pump and injectors for proper operation. Always address fuel system problems promptly to avoid engine damage.
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, maintain proper tire pressure, use premium fuel, and avoid excessive idling. Regularly replace air filters and spark plugs, and ensure the fuel system is clean. Utilize ECO mode if available, and drive smoothly with gradual acceleration and braking. Routine maintenance and adherence to the manufacturer’s recommendations will maximize fuel economy and performance.
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 Service Manual
Coming SoonDetailed service manual covering maintenance, repair, and troubleshooting for the 2014-2021 Mercedes C-Class.
Mercedes C-Class Technical Bulletin 2021
Coming SoonTechnical bulletin addressing common fuel system issues and updates for the 2021 Mercedes C-Class.
Mercedes C-Class Parts Catalog
Coming SoonComprehensive catalog of OEM parts and accessories for the 2014-2021 Mercedes C-Class.
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
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.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.