Mercedes-Benz Mercedes M-Class 2005-2011 3.0L V6 Engine Specifications
Explore the detailed 3.0L V6 engine specifications for the 2005-2011 Mercedes M-Class. Learn about performance, maintenance, and compatibility for optimal vehicle care and upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 3.0L V6 engine used in the 2005-2011 Mercedes-Benz M-Class. It is designed to assist enthusiasts, mechanics, and owners in understanding the engine's features, performance, and maintenance requirements. Use the search and navigation instructions to quickly find relevant information or explore the sections for a comprehensive breakdown of the engine's components and capabilities.
How to Use
Use the search bar to enter keywords related to the 3.0L V6 engine, such as 'horsepower,' 'torque,' or 'fuel system.' Results will highlight relevant sections and subsections for quick access.
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Key Specifications
Displacement
3.0L
Horsepower
228 hp
Torque
221 lb-ft
Fuel Economy
17 mpg combined
Top Speed
130 mph
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 responsiveness, making it a reliable choice for the M-Class.
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 responsiveness, making it a reliable choice for the M-Class.
Power Output
- Horsepower: 228 hp at 6,000 rpm
- Torque: 221 lb-ft at 2,400-5,000 rpm
- 0-60 mph acceleration: 7.8 seconds
- Top speed: 130 mph (electronically limited)
Fuel Efficiency
- City fuel economy: 15 mpg
- Highway fuel economy: 20 mpg
- Combined fuel economy: 17 mpg
- Fuel type: Premium unleaded
Engine Design
This section delves into the design and construction of the 3.0L V6 engine, including its aluminum block, dual overhead camshafts, and advanced fuel injection system. It also highlights the engine's durability and lightweight construction.
Engine Design
This section delves into the design and construction of the 3.0L V6 engine, including its aluminum block, dual overhead camshafts, and advanced fuel injection system. It also highlights the engine's durability and lightweight construction.
Construction
- Aluminum engine block and cylinder heads
- Dual overhead camshafts (DOHC)
- 24-valve configuration
- Lightweight design for improved efficiency
Fuel System
- Sequential multi-port fuel injection
- Electronic throttle control
- Variable intake manifold
- Optimized for low emissions
Maintenance and Reliability
This section provides insights into the maintenance requirements and reliability of the 3.0L V6 engine. It includes recommended service intervals, common issues, and tips for ensuring long-term performance.
Maintenance and Reliability
This section provides insights into the maintenance requirements and reliability of the 3.0L V6 engine. It includes recommended service intervals, common issues, and tips for ensuring long-term performance.
Service Intervals
- Oil change: Every 10,000 miles or 12 months
- Spark plug replacement: Every 60,000 miles
- Timing chain: No replacement required under normal conditions
- Coolant flush: Every 50,000 miles
Common Issues
- Oil leaks from valve cover gaskets
- Throttle body malfunctions
- Ignition coil failures
- Carbon buildup on intake valves
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Engine Specifications
Overview
- Type
- V6 gasoline engine
- Configuration
- 60-degree V-angle
- Displacement
- 3.0 liters (2996 cc)
- Aspiration
- Naturally aspirated
- Location
- Front, longitudinal
- Valvetrain
- DOHC, 4 valves per cylinder
Dimensions
- Length
- 22.8 inches (579 mm)
- Width
- 27.6 inches (701 mm)
- Height
- 25.2 inches (640 mm)
- Weight
- 385 lbs (175 kg)
- Bore
- 3.54 inches (90 mm)
- Stroke
- 3.31 inches (84 mm)
- Compression Ratio
- 10.7:1
- Oil Capacity
- 7.4 quarts (7.0 liters)
Materials
- Block
- Aluminum alloy
- Cylinder Head
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Fuel System
-
- Sequential multi-port fuel injection
- Electronic throttle control
- Variable intake manifold
- Ignition System
-
- Direct ignition system
- Individual coil-on-plug
- Knock control system
- Cooling System
-
- Cross-flow cooling
- Electric cooling fan
- Thermostatically controlled
- Emissions
-
- Dual catalytic converters
- Oxygen sensors
- EVAP system
- Performance
-
- Horsepower: 228 hp @ 6000 rpm
- Torque: 221 lb-ft @ 2500-5000 rpm
- Redline: 6500 rpm
Safety Features
- Engine Protection
-
- Low oil pressure warning
- Over-temperature warning
- Fail-safe cooling mode
- Electronic Controls
-
- Engine control unit (ECU)
- Traction control integration
- Stability control integration
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Tuned intake silencer
- Vibration Control
-
- Balanced crankshaft
- Dual-mass flywheel
- Hydraulic valve lifters
Accessories
- Belts
-
- Serpentine belt
- Timing chain
- Accessory drive belt
- Filters
-
- Oil filter
- Air filter
- Fuel filter
- Sensors
-
- Crankshaft position sensor
- Camshaft position sensor
- Knock sensor
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
- Maintenance Notes
- Use only Mercedes-Benz approved fluids and parts
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Bumper-to-bumper
- Powertrain
- Miles: 100,000Years: 7Coverage: Engine and transmission
- Corrosion
- Miles: UnlimitedYears: 12Coverage: Perforation only
- Roadside Assistance
- Miles: UnlimitedYears: 4Coverage: 24/7 assistance
Production Details
- Manufacturer
- Mercedes-Benz
- Manufacturing Process
-
- Casting of aluminum block
- CNC machining
- Automated assembly
- Quality Control
- Testing: Cold testing, Hot testing, Dyno testinginspection: Dimensional checks, Leak testing, Final visual inspection
- Sustainability
-
- Recycled aluminum usage
- Low-emission painting
- Energy-efficient production
- Production Metrics
- Units Per Day: 150Defect Rate: 0.02%Production Sites: Stuttgart, Germany, Tuscaloosa, USA
Service Information for 3.0l v6 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect air filter
- Check spark plugs
- Inspect timing chain
- Check coolant level
Use only Mercedes-Benz approved 5W-40 synthetic oil
- Replace air filter
- Replace fuel filter
- Inspect drive belts
- Check engine mounts
- Test emissions system
Perform throttle body cleaning if necessary
- Replace spark plugs
- Replace timing chain tensioner
- Flush cooling system
- Inspect valve clearance
- Perform compression test
Requires specialized tools for timing chain service
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 3.0L V6 engine compatible with other Mercedes-Benz models?
Is the 3.0L V6 engine compatible with other Mercedes-Benz models?
The 3.0L V6 engine used in the 2005-2011 Mercedes M-Class is specifically designed for this model. While it shares some components with other Mercedes-Benz engines, direct compatibility with other models is limited. Always verify with a Mercedes-Benz dealer or technical guide before attempting cross-model installations.
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, air filter replacement every 20,000 miles, and spark plug replacement every 60,000 miles. Additionally, inspect the timing chain and belts every 100,000 miles. Adhering to the manufacturer’s maintenance schedule ensures optimal performance and longevity.
Q3 How do I replace the 3.0L V6 engine in my Mercedes M-Class?
How do I replace the 3.0L V6 engine in my Mercedes M-Class?
Replacing the 3.0L V6 engine involves disconnecting the battery, draining fluids, removing the intake and exhaust systems, and detaching the engine mounts. Use a hoist to lift the engine out. Installation is the reverse process. Ensure all connections are secure and torque specifications are followed. Refer to the service manual for detailed instructions.
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?
Misfiring in the 3.0L V6 engine can be caused by faulty spark plugs, ignition coils, or fuel injectors. Start by scanning for error codes using an OBD-II scanner. Inspect and replace spark plugs and ignition coils if necessary. If the issue persists, check the fuel injectors and fuel pressure. Consult a professional if diagnostics are inconclusive.
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, replace air filters regularly, and ensure the fuel system is clean. Consider upgrading the exhaust system and air intake for better airflow. Regular tuning and using premium fuel can also enhance engine efficiency. Always follow the manufacturer’s recommendations for modifications.
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 M-Class 3.0L V6 Engine Service Manual
Coming SoonDetailed service manual covering maintenance, repair, and troubleshooting for the 3.0L V6 engine in the 2005-2011 Mercedes M-Class.
Technical Service Bulletin for 3.0L V6 Engine Updates
Coming SoonLatest technical updates and fixes for the 3.0L V6 engine, including software updates and component recalls.
Mercedes M-Class 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 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.
- 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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