Mercedes-Benz Mercedes C-Class 2014-2021 3.0L V6 Engine Specifications
Explore the detailed 3.0L V6 engine specifications for the 2014-2021 Mercedes-Benz C-Class. Learn about horsepower, torque, fuel systems, and maintenance tips for optimal performance.
Overview Specifications
This document provides detailed specifications and technical information about the 3.0L V6 engine used in Mercedes-Benz C-Class models from 2014 to 2021. It is designed to assist enthusiasts, technicians, and owners in understanding the engine's features, performance, and maintenance requirements. The content is organized into sections for easy navigation, and a quick reference table is included for key specifications. Use the search and navigation instructions to find specific details efficiently.
How to Use
Use the search function to locate specific terms or phrases within the document. Enter keywords related to the engine, such as 'horsepower' or 'torque,' and the results will highlight relevant sections.
Navigate through the document using the section titles and subsections. Each major section is grouped by topic, and subsections provide detailed points. Use the table of contents or scroll to find the desired information quickly.
Key Specifications
Displacement
3.0 L
Horsepower
362 hp
Torque
369 lb-ft
Fuel Economy
22 mpg combined
Acceleration (0-60 mph)
4.7 seconds
Available Specifications
Engine Performance
This section covers the performance characteristics of the 3.0L V6 engine, including horsepower, torque, and acceleration. It also highlights the engine's efficiency and driving dynamics, making it a standout choice in the C-Class lineup.
Engine Performance
This section covers the performance characteristics of the 3.0L V6 engine, including horsepower, torque, and acceleration. It also highlights the engine's efficiency and driving dynamics, making it a standout choice in the C-Class lineup.
Power and Torque
- Horsepower: 362 hp at 5,500 rpm
- Torque: 369 lb-ft at 1,800 rpm
- 0-60 mph acceleration: 4.7 seconds
- Top speed: 155 mph (electronically limited)
Efficiency
- Combined fuel economy: 22 mpg
- Highway fuel economy: 29 mpg
- City fuel economy: 17 mpg
- Direct injection system for optimized fuel delivery
Engine Design
This section delves into the design and engineering of the 3.0L V6 engine, including its construction, materials, and innovative technologies. Learn about the components that contribute to its reliability and performance.
Engine Design
This section delves into the design and engineering of the 3.0L V6 engine, including its construction, materials, and innovative technologies. Learn about the components that contribute to its reliability and performance.
Construction
- Aluminum block and cylinder heads
- Dual overhead camshafts (DOHC)
- 24-valve configuration
- Forged crankshaft for added durability
Technologies
- Turbocharging for increased power
- Variable valve timing (VVT)
- Start-stop system for improved efficiency
- Integrated cooling system for optimal thermal management
Maintenance and Reliability
This section provides essential information on maintaining the 3.0L V6 engine, including recommended service intervals, common issues, and tips for ensuring long-term reliability. Proper care can extend the engine's lifespan and performance.
Maintenance and Reliability
This section provides essential information on maintaining the 3.0L V6 engine, including recommended service intervals, common issues, and tips for ensuring long-term reliability. Proper care can extend the engine's lifespan and performance.
Service Intervals
- Oil change: every 10,000 miles
- Spark plugs: every 60,000 miles
- Timing chain: inspected every 100,000 miles
- Air filter: replaced every 30,000 miles
Common Issues
- Carbon buildup on intake valves
- Oil leaks from gaskets
- Turbocharger wear over time
- Regular inspections recommended to prevent major repairs
Search Specifications
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Engine Specifications
Overview
- Type
- Gasoline
- Configuration
- V6
- Displacement
- 3.0 liters
- Aspiration
- Turbocharged
- Location
- Front, longitudinal
- Valvetrain
- DOHC, 4 valves per cylinder
Dimensions
- Length
- 22.8 inches (579 mm)
- Width
- 28.3 inches (719 mm)
- Height
- 26.7 inches (678 mm)
- Weight
- 403 lbs (183 kg)
- Bore
- 3.27 inches (83 mm)
- Stroke
- 3.59 inches (91.2 mm)
- Compression Ratio
- 10.5:1
- Oil Capacity
- 7.4 quarts (7.0 liters)
Materials
- Block
- Aluminum alloy
- Cylinder Head
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Titanium intake, steel exhaust
Features
- Performance
-
- Direct injection
- Twin-scroll turbocharger
- Variable valve timing
- Start-stop technology
- Efficiency
-
- ECO start/stop function
- Thermal management system
- Low-friction components
- Optimized combustion process
- Technology
-
- Electronic engine management
- Adaptive cylinder control
- Integrated starter-generator
- Precision cooling system
- Emissions
-
- EURO 6 compliant
- Particulate filter
- Exhaust gas recirculation
- Catalytic converter
- Cooling
-
- Liquid cooling system
- Dual thermostats
- High-capacity radiator
- Auxiliary electric water pump
Safety Features
- Engine Protection
-
- Overheat protection
- Low oil pressure shutdown
- Knock sensor system
- Electronic Controls
-
- Traction control integration
- Stability control integration
- Anti-lock braking system integration
- Structural Safety
-
- Reinforced engine mounts
- Crash detection fuel cutoff
- Battery disconnect system
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Sound-deadening materials
- Vibration Control
-
- Dual-mass flywheel
- Balanced rotating assembly
- Active engine mounts
- Climate Control
-
- Auxiliary heating system
- Integrated cabin heating
- Quick warm-up design
- Drivability
-
- Smooth power delivery
- Linear throttle response
- Adaptive transmission mapping
Accessories
- Cooling System
-
- High-performance radiator
- Auxiliary cooling fan
- Oil cooler
- intake System
-
- High-flow air filter
- Cold air intake
- Turbocharger intercooler
- Exhaust System
-
- Stainless steel headers
- Catalytic converter
- Dual exhaust tips
Maintenance
- Service interval
- 10,000 miles or 12 months
- Service Items
-
- Oil and filter change
- Spark plug replacement
- Air filter inspection
- Timing chain inspection
- Coolant flush
- Belt tension check
- Maintenance Notes
- Use only Mercedes-Benz approved fluids and parts. Follow severe service schedule for high-performance driving.
Warranty
- Basic
- Years: 4Miles: 50000Coverage: Bumper-to-bumper
- Powertrain
- Years: 6Miles: 70000Coverage: Engine and transmission
- Corrosion
- Years: 12Miles: UnlimitedCoverage: Perforation only
- Roadside Assistance
- Years: 4Miles: 50000Coverage: 24/7 assistance
- Warranty Terms
- Transferable to subsequent owners. Requires maintenance at authorized Mercedes-Benz service centers.
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Precision CNC machining
- Automated assembly
- Laser welding
- Robotic quality control
- Quality Control
- Dimensional Checks: 100% inspectionPerformance Testing: Dyno testingLeak Testing: Air and fluid pressure tests
- Sustainability Practices
-
- Recycled aluminum usage
- Closed-loop water system
- Energy-efficient manufacturing
- Waste reduction programs
- Production Metrics
- Units Per Day: 150Defect Rate: <0.1%Energy Consumption: 15 kWh per engine
Service Information for 3.0l v6 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Air filter inspection
- Spark plug inspection
- Coolant level check
- Belt tension check
- Engine diagnostic scan
Use only Mercedes-Benz approved 0W-40 synthetic oil
- Spark plug replacement
- Air filter replacement
- Fuel filter replacement
- Timing chain inspection
- Engine mount inspection
- Coolant system pressure test
Requires special tools for spark plug replacement
- Coolant flush and replacement
- Belt and tensioner replacement
- Thermostat inspection
- Turbocharger inspection
- Engine compression test
- Complete engine diagnostic
Major service interval - requires dealer-level equipment
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 3.0L V6 engine compatible with all 2014-2021 Mercedes C-Class models?
Is the 3.0L V6 engine compatible with all 2014-2021 Mercedes C-Class models?
The 3.0L V6 engine is compatible with select 2014-2021 Mercedes C-Class models, specifically the C 400, C 450 AMG, and C 43 AMG variants. It is not compatible with base models like the C 300. Always verify your vehicle's VIN and consult the manufacturer's compatibility guide to ensure proper fitment and avoid potential issues.
Q2 What are the maintenance requirements for the 3.0L V6 engine?
What are the maintenance requirements for the 3.0L V6 engine?
The 3.0L V6 engine requires regular maintenance, including oil changes every 10,000 miles or annually, air filter replacement every 30,000 miles, and spark plug replacement every 60,000 miles. Additionally, inspect the timing chain and coolant system periodically. Adhering to Mercedes-Benz's recommended service schedule ensures optimal performance and longevity.
Q3 How do I replace the 3.0L V6 engine in a 2014-2021 Mercedes C-Class?
How do I replace the 3.0L V6 engine in a 2014-2021 Mercedes C-Class?
Replacing the 3.0L V6 engine involves disconnecting the battery, draining fluids, removing the intake manifold, exhaust system, and engine mounts. Use a hoist to lift the engine out and install the new one in reverse order. Ensure all connections are secure and torque specifications are followed. Professional installation is recommended for precision and safety.
Q4 What should I do if my 3.0L V6 engine is misfiring?
What should I do if my 3.0L V6 engine is misfiring?
If your 3.0L V6 engine is misfiring, start by checking the spark plugs, ignition coils, and fuel injectors. Use an OBD-II scanner to identify error codes. Replace faulty components and ensure proper fuel pressure. If the issue persists, inspect the engine's compression and timing system. Consult a certified technician for advanced diagnostics.
Q5 How can I optimize the performance of my 3.0L V6 engine?
How can I optimize the performance of my 3.0L V6 engine?
To optimize performance, use high-quality synthetic oil, upgrade to a high-flow air filter, and install a performance exhaust system. Regularly clean the throttle body and fuel injectors. Consider a professional ECU tune for enhanced power and efficiency. Avoid aggressive driving and maintain proper tire pressure for balanced 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-Benz C-Class 3.0L V6 Engine Service Manual
Coming SoonDetailed service manual covering maintenance, repair, and troubleshooting for the 3.0L V6 engine in 2014-2021 C-Class models.
Technical Service Bulletin: 3.0L V6 Engine Updates
Coming SoonLatest updates and fixes for the 3.0L V6 engine, including software patches and hardware improvements.
Mercedes-Benz 3.0L V6 Engine Parts Catalog
Coming SoonComprehensive catalog of OEM and aftermarket parts for the 3.0L V6 engine, including part numbers and compatibility details.
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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.
- 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.
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