Mercedes-Benz Mercedes R-Class 2005-2017 5.5L V8 Engine Specifications
Explore detailed specifications for the 5.5L V8 engine in the 2005-2017 Mercedes R-Class. Learn about horsepower, torque, fuel type, and maintenance tips to optimize performance and longevity.
Overview Specifications
This document provides detailed specifications and technical information about the 5.5L V8 engine used in the Mercedes R-Class from 2005 to 2017. It includes sections on engine performance, design features, maintenance, and key specifications. Use the search functionality to quickly locate specific details or navigate through sections for comprehensive information on the engine's capabilities and features.
How to Use
Use the search bar to enter keywords related to the information you need. This will highlight relevant sections and subsections, making it easier to find specific details about the 5.5L V8 engine.
Navigate through the document by clicking on the section titles in the table of contents. Each section is organized into subsections with detailed points for easy reference and understanding.
Key Specifications
Displacement
5.5 liters
Horsepower
382 hp
Torque
391 lb-ft
Fuel Type
Premium unleaded
Top Speed
155 mph
Available Specifications
Engine Performance
This section covers the performance metrics of the 5.5L V8 engine, including horsepower, torque, and acceleration. It also provides details on fuel efficiency and the engine's ability to deliver power smoothly across different driving conditions.
Engine Performance
This section covers the performance metrics of the 5.5L V8 engine, including horsepower, torque, and acceleration. It also provides details on fuel efficiency and the engine's ability to deliver power smoothly across different driving conditions.
Power and Torque
- Horsepower: 382 hp at 6000 rpm
- Torque: 391 lb-ft at 2800 rpm
- Acceleration: 0-60 mph in 5.9 seconds
- Top speed: 155 mph (electronically limited)
Fuel Efficiency
- City fuel economy: 13 mpg
- Highway fuel economy: 18 mpg
- Combined fuel economy: 15 mpg
- Fuel type: Premium unleaded
Design Features
This section highlights the design and engineering features of the 5.5L V8 engine, including its construction materials, advanced technologies, and cooling systems. It also covers the engine's layout and integration with the vehicle's drivetrain.
Design Features
This section highlights the design and engineering features of the 5.5L V8 engine, including its construction materials, advanced technologies, and cooling systems. It also covers the engine's layout and integration with the vehicle's drivetrain.
Engine Construction
- Aluminum block and cylinder heads
- DOHC (Double Overhead Camshaft) design
- 32-valve configuration
- Variable valve timing
Cooling and Lubrication
- Liquid-cooled engine
- Oil cooler integrated into the system
- High-capacity radiator
- Efficient oil pump design
Maintenance and Durability
This section provides information on the maintenance requirements and durability of the 5.5L V8 engine. It includes details on service intervals, common maintenance tasks, and the engine's overall reliability over time.
Maintenance and Durability
This section provides information on the maintenance requirements and durability of the 5.5L V8 engine. It includes details on service intervals, common maintenance tasks, and the engine's overall reliability over time.
Service Intervals
- Oil change every 10,000 miles
- Spark plug replacement every 60,000 miles
- Timing chain inspection every 100,000 miles
- Air filter replacement every 30,000 miles
Durability
- Engine lifespan: 200,000+ miles with proper maintenance
- Robust internal components
- Resistant to common wear and tear
- Proven reliability in various driving conditions
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Engine Specifications
Overview
- Type
- Naturally aspirated V8
- Configuration
- 90-degree V8
- Platform
- M273
- Material
- Aluminum block and heads
- Location
- Front longitudinal
- Displacement
- 5.5 liters
Dimensions
- Length
- 28.3 inches (719 mm)
- Width
- 30.7 inches (780 mm)
- Height
- 26.8 inches (680 mm)
- Weight
- 452 lbs (205 kg)
- Bore
- 3.86 inches (98 mm)
- Stroke
- 3.58 inches (90.9 mm)
- Compression Ratio
- 10.7:1
Materials
- Block
- Aluminum alloy
- Cylinder Heads
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Hollow sodium-filled
Features
- Performance
-
- 382 hp @ 6000 rpm
- 391 lb-ft torque @ 2800 rpm
- Redline at 6500 rpm
- Fuel System
-
- Sequential multi-port fuel injection
- Electronic throttle control
- Variable intake manifold
- Cooling
-
- High-capacity water pump
- Dual thermostats
- Auxiliary electric fan
- Ignition
-
- Coil-on-plug ignition
- Individual cylinder knock control
- High-energy spark plugs
- Emissions
-
- Dual catalytic converters
- OBD-II compliant
- Low emissions design
Safety Features
- Engine Protection
-
- Oil level sensor
- Overheat warning system
- Low oil pressure shutdown
- Electronics
-
- Fail-safe cooling mode
- Engine immobilizer system
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Smoothness
-
- Balanced crankshaft
- Dual-mass flywheel
Accessories
- Belts
-
- Serpentine belt
- Timing chain
- Filters
-
- Oil filter
- Air filter
- Fuel filter
- Fluids
-
- Engine oil
- Coolant
- Power steering fluid
Maintenance
- Service interval
- 10,000 miles or 12 months
- Service Items
-
- Oil and filter change
- Spark plug replacement
- Air filter inspection
- Coolant flush
- Timing chain inspection
- 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: 10Coverage: Perforation only
- Roadside Assistance
- Miles: UnlimitedYears: 4Coverage: 24/7 emergency services
Production Details
- Manufacturer
- Mercedes-Benz
- Manufacturing Process
-
- Precision CNC machining
- Robotic assembly
- 100% leak testing
- Quality Control
- Engine Dyno Testing: 100%Component inspection: Laser measurement
- Sustainability Practices
-
- Recyclable materials
- Low-emission manufacturing
- Energy-efficient production
- Production Metrics
- Units Per Day: 500Defect Rate: 0.02%
Service Information for 5.5l v8 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect air filter
- Check coolant level
- Inspect serpentine belt
- Test battery
Use Mercedes-Benz approved 5W-40 oil
- Replace spark plugs
- Inspect fuel system
- Check ignition system
- Inspect engine mounts
- Test emissions system
Replace with OEM iridium spark plugs
- Replace timing chain
- Flush cooling system
- Replace water pump
- Inspect cylinder heads
- Perform compression test
Requires special timing tools and expertise
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 5.5L V8 engine compatible with all 2005-2017 Mercedes R-Class models?
Is the 5.5L V8 engine compatible with all 2005-2017 Mercedes R-Class models?
The 5.5L V8 engine is compatible with specific trims of the 2005-2017 Mercedes R-Class, particularly the R500 and R550 models. It is essential to verify your vehicle's VIN and trim level to ensure compatibility. The engine is designed to work seamlessly with the 7G-TRONIC automatic transmission system. Always consult your vehicle’s manual or a certified Mercedes technician for confirmation.
Q2 What are the maintenance requirements for the 5.5L V8 engine?
What are the maintenance requirements for the 5.5L V8 engine?
Regular maintenance for the 5.5L V8 engine includes oil changes every 7,500-10,000 miles using synthetic oil, air filter replacement every 15,000 miles, and spark plug replacement every 60,000 miles. Additionally, inspect the timing chain and belts every 100,000 miles. Always adhere to Mercedes-Benz’s recommended service intervals and use OEM parts to ensure optimal performance and longevity.
Q3 How do I replace the 5.5L V8 engine in my Mercedes R-Class?
How do I replace the 5.5L V8 engine in my Mercedes R-Class?
Replacing the 5.5L V8 engine requires professional expertise. Begin by disconnecting the battery, draining fluids, and removing components like the air intake, exhaust system, and transmission. Use a hoist to carefully lift the old engine out and lower the new one into place. Reconnect all components, refill fluids, and test the engine. It is highly recommended to have this procedure performed by a certified technician.
Q4 What should I do if my 5.5L V8 engine is misfiring?
What should I do if my 5.5L V8 engine is misfiring?
Misfiring in the 5.5L V8 engine can be caused by faulty spark plugs, ignition coils, or fuel injectors. Start by scanning the engine control module (ECM) for error codes. Inspect and replace damaged components as needed. Ensure the fuel system is clean and the air intake is unobstructed. If the issue persists, consult a certified technician for a thorough diagnosis.
Q5 How can I optimize the performance of my 5.5L V8 engine?
How can I optimize the performance of my 5.5L V8 engine?
To optimize performance, use high-quality synthetic oil and premium fuel. Upgrade the air intake and exhaust systems for better airflow. Regularly clean the fuel injectors and replace the air filter. Consider a performance tune or ECU remap for enhanced power and efficiency. Always adhere to Mercedes-Benz’s maintenance guidelines to ensure 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 R-Class 5.5L V8 Engine Service Manual
Coming SoonThis manual provides detailed instructions for servicing and maintaining the 5.5L V8 engine, including troubleshooting and repair procedures.
Technical Service Bulletin for 5.5L V8 Engine Updates
Coming SoonThis bulletin outlines important updates and fixes for the 5.5L V8 engine, including software updates and component revisions.
Mercedes R-Class Parts and Accessories Catalog
Coming SoonThis catalog lists all available parts and accessories for the 5.5L V8 engine, including OEM and aftermarket options.
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General Information
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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.
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