Mercedes-Benz Mercedes M-Class 2011-2015 3.0L V6 Engine Specifications
Explore detailed specifications for the 3.0L V6 engine in the 2011-2015 Mercedes M-Class. Learn about horsepower, torque, fuel system, and maintenance tips. Ideal for mechanics, enthusiasts, and owners.
Overview Specifications
This document provides detailed specifications and technical information about the 3.0L V6 engine used in the 2011-2015 Mercedes-Benz M-Class. It is designed to assist enthusiasts, technicians, 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 sections for in-depth details.
How to Use
Use the search bar to enter keywords related to the engine, such as 'horsepower' or 'torque'. Results will highlight relevant sections and subsections for quick access.
Scroll through the document or use the table of contents to jump to specific sections. Each section is organized into subsections with detailed technical points for easy reference.
Key Specifications
Displacement
3.0L
Horsepower
302 hp
Torque
273 lb-ft
Fuel Efficiency
18/25 mpg
Transmission
7-speed automatic
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 under various driving conditions.
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 under various driving conditions.
Power Output
- Horsepower: 302 hp @ 6,500 rpm
- Torque: 273 lb-ft @ 3,500 rpm
- 0-60 mph acceleration: 6.5 seconds
- Top speed: 130 mph (electronically limited)
- Fuel efficiency: 18 mpg city / 25 mpg highway
- Direct injection system for improved combustion
Driving Dynamics
- Smooth power delivery across the RPM range
- 7-speed automatic transmission with manual shift mode
- Adaptive damping system for enhanced ride comfort
- All-wheel drive (4MATIC) for improved traction
Engine Design
This section delves into the design and engineering of the 3.0L V6 engine, including its construction, materials, and advanced technologies that contribute to its performance and durability.
Engine Design
This section delves into the design and engineering of the 3.0L V6 engine, including its construction, materials, and advanced technologies that contribute to its performance and durability.
Construction and Materials
- Aluminum alloy block and cylinder heads
- Dual overhead camshafts (DOHC)
- 24-valve configuration for optimal airflow
- Forged steel crankshaft for durability
- Lightweight pistons for reduced inertia
- Low-friction components for improved efficiency
Advanced Technologies
- Turbocharging for increased power output
- Variable valve timing (VVT) for optimized performance
- Start-stop system for reduced emissions
- Integrated cooling system for thermal management
Maintenance and Reliability
This section provides information on maintaining the 3.0L V6 engine, including recommended service intervals, common issues, and tips for ensuring long-term reliability.
Maintenance and Reliability
This section provides information on maintaining the 3.0L V6 engine, including recommended service intervals, common issues, and tips for ensuring long-term reliability.
Service Intervals
- Oil change: Every 10,000 miles or 12 months
- Spark plug replacement: Every 60,000 miles
- Air filter replacement: Every 30,000 miles
- Coolant flush: Every 50,000 miles
- Timing chain inspection: Every 100,000 miles
- Transmission fluid change: Every 40,000 miles
Common Issues
- Oil leaks from gaskets and seals
- Carbon buildup on intake valves
- Turbocharger wear over time
- Check engine light due to sensor malfunctions
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Engine Specifications
Overview
- Type
- Turbocharged V6 Diesel
- Configuration
- 60° V6
- Platform
- Mercedes-Benz OM642
- Material
- Aluminum Alloy Block
- Location
- Front Longitudinal
Dimensions
- Displacement
- 2987 cc (182.2 cu in)
- Bore
- 83.0 mm (3.27 in)
- Stroke
- 92.0 mm (3.62 in)
- Length
- 655 mm (25.8 in)
- Width
- 722 mm (28.4 in)
- Height
- 680 mm (26.8 in)
- Weight
- 210 kg (463 lb)
Materials
- Engine Block
- Aluminum Alloy
- Cylinder Head
- Aluminum Alloy
- Pistons
- Aluminum Alloy with Graphite Coating
- Crankshaft
- Forged Steel
- Valves
- Steel with Nitrided Surface
Features
- Performance
-
- Turbocharger with Variable Nozzle Turbine
- Common Rail Direct Injection
- Intercooler
- Dual Overhead Camshafts
- Efficiency
-
- Start-Stop System
- Low Friction Design
- Thermal Management System
- Energy Recovery System
- Technology
-
- Piezo Injectors
- Electronic Engine Control Unit
- Exhaust Gas Recirculation
- Diesel Particulate Filter
- Durability
-
- Forged Steel Crankshaft
- Reinforced Engine Block
- High-Strength Connecting Rods
- Long-Life Timing Chain
Safety Features
- Engine Protection
-
- Oil Level Sensor
- Coolant Temperature Sensor
- Overboost Protection
- Emission Control
-
- Selective Catalytic Reduction
- AdBlue Injection System
- Oxidation Catalyst
Comfort Features
- Noise Reduction
-
- Acoustic Engine Cover
- Dual-Mass Flywheel
- Hydraulic Engine Mounts
- Vibration Control
-
- Balancer Shafts
- Rubber-Metal Mounts
- Optimized Combustion Process
Accessories
- Cooling
-
- Electric Radiator Fan
- Dual Thermostats
- Auxiliary Water Pump
- intake
-
- Air Filter Box
- Mass Air Flow Sensor
- Turbocharger Inlet Pipe
- Exhaust
-
- Catalytic Converter
- Particulate Filter
- Exhaust Manifold
Maintenance
- Service interval
- 10,000 miles or 12 months
- Service Items
-
- Oil and Filter Change
- Fuel Filter Replacement
- Air Filter Replacement
- Timing Chain Inspection
- Coolant Replacement
- AdBlue System Check
- Maintenance Notes
- Use MB 229.51 approved oil, AdBlue fluid must meet ISO 22241 standards
Warranty
- Basic Warranty
- 4 years/50,000 miles
- Powertrain Warranty
- 5 years/100,000 miles
- Emissions Warranty
- 8 years/80,000 miles
- Corrosion Warranty
- 12 years/unlimited miles
- Warranty Terms
- Whichever comes first, mileage or time
Production Details
- Manufacturer
- Mercedes-Benz
- Manufacturing Process
-
- Precision Casting
- CNC Machining
- Automated Assembly
- Laser Welding
- Quality Control
- Dimensional Checks: 100% inspectionPressure Testing: Leak and pressure verificationPerformance Testing: Dynamometer testing
- Sustainability Practices
-
- Recycled Aluminum Usage
- Water-Based Paints
- Energy-Efficient Manufacturing
- Production Metrics
- Annual Production: 150,000 unitsDefect Rate: <0.01%Production Time: 6.5 hours per engine
Service Information for 3.0l v6 engine Service
Maintenance and service requirements specific to this component
- Oil and Filter Change
- Visual Inspection of Engine Components
- Check Turbocharger Condition
- Inspect Timing Chain Tension
- Check Engine Mounts
- Verify Cooling System Operation
Use only Mercedes-Benz approved oils and fluids
- Replace Fuel Filter
- Replace Air Filter
- Inspect and Clean Intake System
- Check and Adjust Valve Clearance
- Inspect Injection System
- Check Exhaust System for Leaks
Professional diagnostic equipment required for injection system check
- Replace Timing Chain Components
- Replace Serpentine Belt and Tensioners
- Replace Coolant
- Inspect and Replace Engine Seals
- Perform Cylinder Compression Test
- Inspect and Clean EGR System
Major service requires specialized tools and training
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 2011-2015 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, the timing chain should be inspected 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 a 2011-2015 Mercedes M-Class?
How do I replace the 3.0L V6 engine in a 2011-2015 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 and wiring harness. Use a hoist to lift the engine out. Installation is the reverse process. Ensure all connections are secure and refill fluids. Professional assistance is recommended for this complex procedure.
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 specific error codes. Replace faulty components and ensure the fuel system is clean. If the issue persists, inspect the engine's compression and timing chain for potential problems.
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, ensure the air intake system is clean, and upgrade to high-performance spark plugs. Regularly check and maintain the fuel system, and consider a professional ECU tune for improved power and efficiency. Avoid aggressive driving to reduce wear and tear on the engine.
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 2011-2015 Service Manual
Coming SoonComprehensive guide covering maintenance, repairs, and technical specifications for the 2011-2015 Mercedes M-Class with the 3.0L V6 engine.
Technical Service Bulletin for 3.0L V6 Engine
Coming SoonLatest updates and fixes for common issues related to the 3.0L V6 engine in the 2011-2015 Mercedes M-Class.
Mercedes M-Class Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts and accessories for the 2011-2015 Mercedes M-Class, including the 3.0L V6 engine.
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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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