Mercedes-Benz Mercedes M-Class 2005-2011 5.5L V8 Engine Specifications
Explore the detailed technical specifications of the 5.5L V8 engine in the 2005-2011 Mercedes M-Class. Learn about horsepower, torque, fuel system, and more for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 5.5L V8 engine used in the 2005-2011 Mercedes-Benz M-Class. It is designed for enthusiasts, mechanics, and owners seeking in-depth knowledge about the engine's performance, design, and maintenance. Use the search and navigation instructions to quickly find relevant sections or refer to the quick reference table for key specifications.
How to Use
Use the search functionality to locate specific terms or topics within the document. Enter keywords related to the 5.5L V8 engine, such as 'horsepower' or 'torque,' to find relevant sections instantly.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is organized into subsections with detailed technical points for easy reference.
Key Specifications
Displacement
5.5 liters
Horsepower
382 HP
Torque
391 lb-ft
Compression Ratio
10.7:1
Fuel Type
Premium Unleaded
Available Specifications
Engine Performance
This section covers the performance characteristics of the 5.5L V8 engine, including horsepower, torque, and acceleration metrics. It also highlights the engine's responsiveness and efficiency under various driving conditions.
Engine Performance
This section covers the performance characteristics of the 5.5L V8 engine, including horsepower, torque, and acceleration metrics. It also highlights the engine's responsiveness and efficiency under various driving conditions.
Power Output
- 382 horsepower at 6,000 RPM
- 391 lb-ft of torque at 2,800 RPM
- 0-60 mph acceleration in 5.9 seconds
- Top speed electronically limited to 130 mph
Fuel Efficiency
- EPA-estimated 13 mpg city
- EPA-estimated 18 mpg highway
- Combined fuel economy of 15 mpg
- Requires premium unleaded gasoline
Engine Design
This section delves into the engineering and design features of the 5.5L V8 engine, including its construction, materials, and advanced technologies that enhance performance and durability.
Engine Design
This section delves into the engineering and design features of the 5.5L V8 engine, including its construction, materials, and advanced technologies that enhance performance and durability.
Construction
- Aluminum alloy block and cylinder heads
- DOHC (Dual Overhead Camshaft) design
- 32-valve configuration
- Forged steel crankshaft
Advanced Technologies
- Variable valve timing (VVT)
- Electronic throttle control
- Multi-spark ignition system
- Integrated oil cooler
Maintenance and Reliability
This section provides insights into the maintenance requirements and reliability of the 5.5L V8 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 5.5L V8 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 inspection every 100,000 miles
- Coolant flush every 50,000 miles
Common Issues
- Oil leaks from valve cover gaskets
- Carbon buildup on intake valves
- Wear on timing chain guides
- Potential for coil pack failure
Search Specifications
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Engine Specifications
Overview
- Type
- Naturally aspirated V8
- Configuration
- 90-degree V8
- Displacement
- 5.5 liters (5461 cc)
- Material
- Aluminum block and heads
- Location
- Front longitudinal
- Fuel System
- Sequential multi-port fuel injection
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 30.7 inches (780 mm)
- Height
- 27.6 inches (701 mm)
- Weight
- 441 lbs (200 kg)
- Bore
- 3.86 inches (98 mm)
- Stroke
- 3.58 inches (90.9 mm)
- Compression Ratio
- 10.7:1
Materials
- Engine Block
- Aluminum alloy with silicon coating
- Cylinder Heads
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Hollow sodium-filled exhaust valves
Features
- Performance
-
- 382 horsepower at 6000 rpm
- 391 lb-ft torque at 2800-4800 rpm
- Redline at 6500 rpm
- Technology
-
- Variable valve timing (VVT)
- Double overhead camshafts (DOHC)
- Electronic throttle control
- Cooling
-
- High-capacity water pump
- Dual thermostats
- Auxiliary electric fan
- Fuel Efficiency
-
- Direct fuel injection
- Cylinder deactivation
- Low-friction piston rings
- Emissions
-
- LEV-II compliant
- Dual catalytic converters
- Exhaust gas recirculation (EGR)
Safety Features
- Engine Protection
-
- Knock sensors
- Oil pressure sensor
- Coolant temperature sensor
- Overheat Protection
-
- High-temperature warning system
- Automatic engine shutdown
- Fire Prevention
-
- Fuel cut-off in crash
- Heat shields on exhaust
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Vibration Control
-
- Balanced crankshaft
- Dual-mass flywheel
- Climate Control
-
- Auxiliary heater
- Quick warm-up system
Accessories
- Engine Bay
-
- Polished aluminum intake manifold
- Chrome valve covers
- Stainless steel exhaust headers
- Performance Upgrades
-
- Cold air intake
- High-flow air filter
- Performance exhaust system
- Maintenance Tools
-
- Oil filter wrench
- Spark plug socket
- Timing light
Maintenance
- Service interval
- Every 10,000 miles or 12 months
- Service Items
-
- Oil and filter change
- Spark plug replacement
- Air filter inspection
- Timing belt inspection
- Coolant flush
- Maintenance Notes
- Use only synthetic 5W-40 oil, replace timing belt every 60,000 miles
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Bumper-to-bumper
- Powertrain
- Miles: 100,000Years: 7Coverage: Engine and transmission
- Emissions
- Miles: 70,000Years: 8Coverage: Catalytic converter and sensors
- Corrosion
- Miles: UnlimitedYears: 12Coverage: Perforation only
Production Details
- Manufacturer
- Mercedes-AMG
- Manufacturing Process
-
- Casting of aluminum block
- CNC machining of cylinder heads
- Precision balancing of rotating assembly
- Quality Control
- Dimensional Checks: Laser measurementPerformance Testing: Dyno testingLeak Testing: Pressure and vacuum tests
- Sustainability Practices
-
- Recycled aluminum usage
- Low-emission painting process
- Waste heat recovery
- Production Metrics
- Units Per Day: 150Defect Rate: 0.02%Energy Usage: 15 kWh per engine
Service Information for 5.5l v8 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect air filter
- Check spark plugs
- Inspect timing belt
- Check coolant level
Use only Mercedes-approved synthetic oil
- Replace air filter
- Inspect fuel injectors
- Check ignition coils
- Inspect exhaust system
- Test battery and charging system
Perform compression test if any performance issues
- Replace timing belt and tensioners
- Replace spark plugs
- Flush coolant system
- Replace fuel filter
- Inspect and clean throttle body
Critical to replace timing belt to prevent engine damage
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 5.5L V8 engine compatible with other Mercedes-Benz models?
Is the 5.5L V8 engine compatible with other Mercedes-Benz models?
The 5.5L V8 engine, used in the 2005-2011 Mercedes M-Class, is specifically designed for this model and its variants. While it shares some design elements with other Mercedes V8 engines, direct compatibility with other models is limited. Always verify with a Mercedes-Benz dealer or technical expert before attempting cross-model installations.
Q2 What are the maintenance requirements for the 5.5L V8 engine?
What are the maintenance requirements for the 5.5L V8 engine?
The 5.5L V8 engine requires regular maintenance, including oil changes every 10,000 miles, air filter replacements every 20,000 miles, and spark plug replacements every 60,000 miles. Additionally, inspect the timing chain and cooling system periodically to ensure optimal performance and longevity.
Q3 How do I replace the 5.5L V8 engine in a 2005-2011 Mercedes M-Class?
How do I replace the 5.5L V8 engine in a 2005-2011 Mercedes M-Class?
Replacing the 5.5L V8 engine involves disconnecting the battery, draining fluids, removing the intake manifold, exhaust system, and engine mounts, and carefully lifting the engine out. Installation requires reversing the process, ensuring all connections are secure. Professional assistance is recommended due to the complexity of the procedure.
Q4 What are common troubleshooting steps for the 5.5L V8 engine?
What are common troubleshooting steps for the 5.5L V8 engine?
Common issues include rough idling, reduced power, or check engine lights. Start by scanning for error codes using an OBD-II scanner. Check for vacuum leaks, faulty sensors, or clogged fuel injectors. Ensure the ignition system and fuel delivery are functioning properly. If issues persist, consult a certified technician.
Q5 How can I optimize the performance of the 5.5L V8 engine?
How can I optimize the performance of the 5.5L V8 engine?
To optimize performance, use high-quality synthetic oil, upgrade the air intake system, and install a performance exhaust. Regularly clean the throttle body and fuel injectors. Consider a professional ECU tune to enhance horsepower and torque while maintaining reliability.
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 5.5L V8 Engine Service Manual
Coming SoonDetailed service manual covering maintenance, repair, and troubleshooting for the 5.5L V8 engine in the 2005-2011 M-Class.
Technical Service Bulletin for 5.5L V8 Engine Updates
Coming SoonOfficial bulletin addressing common issues, recalls, and updates for the 5.5L V8 engine in the 2005-2011 M-Class.
5.5L V8 Engine Parts and Accessories Catalog
Coming SoonComprehensive catalog listing OEM and aftermarket parts for the 5.5L V8 engine, including filters, gaskets, and performance upgrades.
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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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