Mercedes-Benz Mercedes SL 2012-present 4.7L V8 Engine Specifications
Discover the detailed specifications of the 4.7L V8 engine in the 2012-Present Mercedes SL models. This guide covers horsepower, torque, fuel efficiency, and maintenance tips, providing essential information for owners and technicians.
Overview Specifications
This document provides detailed specifications and technical information about the 4.7L V8 engine used in the Mercedes SL models from 2012 to the present. It includes sections on engine performance, design features, maintenance tips, and comparison with other engines. Use the search and navigation instructions to quickly find the information you need. This guide is intended for automotive enthusiasts, mechanics, and potential buyers seeking in-depth knowledge about this engine.
How to Use
Use the search functionality to find specific terms or phrases within the document. Enter keywords related to the engine's features or performance metrics to quickly locate relevant sections.
Navigate through the document by scrolling through the sections or using the table of contents. Each major section is clearly labeled, and subsections provide detailed information on specific aspects of the 4.7L V8 engine.
Key Specifications
Engine Type
4.7L V8 Twin-Turbo
Horsepower
429 hp
Torque
516 lb-ft
Fuel Efficiency
18 mpg city / 25 mpg highway
Acceleration (0-60 mph)
4.5 seconds
Available Specifications
Engine Performance
This section covers the performance metrics of the 4.7L V8 engine, including horsepower, torque, acceleration, and fuel efficiency. It also includes details on the engine's responsiveness and how it enhances the driving experience in the Mercedes SL models.
Engine Performance
This section covers the performance metrics of the 4.7L V8 engine, including horsepower, torque, acceleration, and fuel efficiency. It also includes details on the engine's responsiveness and how it enhances the driving experience in the Mercedes SL models.
Horsepower and Torque
- Maximum horsepower: 429 hp @ 5250 rpm
- Peak torque: 516 lb-ft @ 1800-3500 rpm
- Enhanced by twin-turbocharging technology
- Optimized for high-speed performance
Acceleration and Speed
- 0-60 mph acceleration: 4.5 seconds
- Top speed: 155 mph (electronically limited)
- Smooth power delivery across all RPM ranges
- Improved traction with advanced drive systems
Design Features
This section delves into the design elements of the 4.7L V8 engine, including its construction, materials, and advanced technologies. Learn about the engineering innovations that make this engine both powerful and efficient.
Design Features
This section delves into the design elements of the 4.7L V8 engine, including its construction, materials, and advanced technologies. Learn about the engineering innovations that make this engine both powerful and efficient.
Engine Construction
- Aluminum alloy block and cylinder heads
- Lightweight design for improved efficiency
- Compact dimensions for better packaging
- Reinforced components for durability
Advanced Technologies
- Direct fuel injection system
- Variable valve timing (CAMTRONIC)
- Start-stop technology for fuel savings
- Integrated cooling system for optimal temperature control
Maintenance Tips
This section provides essential maintenance tips to ensure the longevity and optimal performance of the 4.7L V8 engine. It includes recommendations for oil changes, routine inspections, and common issues to watch for.
Maintenance Tips
This section provides essential maintenance tips to ensure the longevity and optimal performance of the 4.7L V8 engine. It includes recommendations for oil changes, routine inspections, and common issues to watch for.
Routine Maintenance
- Regular oil changes every 10,000 miles
- Use of synthetic oil for better lubrication
- Inspection of belts and hoses every 20,000 miles
- Air filter replacement every 15,000 miles
Common Issues
- Monitor for oil leaks around gaskets
- Check for signs of turbocharger wear
- Listen for unusual engine noises
- Ensure proper coolant levels to prevent overheating
Search Specifications
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Engine Specifications
Overview
- Type
- Twin-Turbocharged V8
- Configuration
- 90-degree V8
- Platform
- M278 DE46 AL
- Material
- Aluminum block and heads
- Location
- Front, longitudinally mounted
Dimensions
- Length
- 29.5 inches (749 mm)
- Width
- 33.1 inches (840 mm)
- Height
- 28.3 inches (719 mm)
- Weight
- 463 lbs (210 kg)
- Bore
- 3.7 inches (94 mm)
- Stroke
- 3.3 inches (83 mm)
- Displacement
- 286 cubic inches (4663 cc)
Materials
- Block
- Aluminum alloy
- Cylinder Heads
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Hollow-stem sodium-filled
Features
- Performance
-
- Direct injection
- Twin turbochargers
- Variable valve timing
- High-pressure fuel system
- Efficiency
-
- Start-stop technology
- Thermal management system
- Low-friction components
- Optimized combustion
- Technology
-
- ECU with adaptive mapping
- Knock control system
- Electronic throttle control
- Integrated exhaust manifold
- Cooling
-
- Dual-circuit cooling system
- Electronically controlled thermostat
- High-capacity radiator
- Oil cooler
- Exhaust
-
- Dual exhaust system
- Catalytic converters
- Particulate filter
- Active exhaust valves
Safety Features
- Engine Protection
-
- Overboost protection
- Overheat protection
- Oil pressure monitoring
- Emission Control
-
- LEV3 compliant
- On-board diagnostics
- Evaporative emission control
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Balanced crankshaft
- Vibration Control
-
- Counter-rotating balancer shafts
- Dual-mass flywheel
- Isolated fuel injectors
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
- Coolant level check
- Belt tension check
- Maintenance Notes
- Use only Mercedes-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 assistance
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Precision casting
- CNC machining
- Automated assembly
- Laser welding
- Quality Control
- Dimensional Checks: Coordinate measuring machinesPressure Testing: Hydraulic pressure testingPerformance Testing: Dynamometer testing
- Sustainability Practices
-
- Recycled aluminum
- Closed-loop water system
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 150Defect Rate: 0.01%Energy Consumption: 5.2 kWh per unit
Service Information for 4.7l v8 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect air filter
- Check coolant level
- Inspect belts and hoses
- Check for leaks
Use only Mercedes-approved 229.5 oil
- Replace air filter
- Replace spark plugs
- Inspect turbochargers
- Check engine mounts
- Test fuel system
Requires specialized diagnostic tools
- Replace timing chain
- Replace coolant
- Inspect injectors
- Check compression
- Clean intake valves
Major service - requires trained technicians
Common Questions
Find answers to common questions about torque specifications
Q1 What vehicles are compatible with the 4.7L V8 engine from 2012-Present Mercedes SL?
What vehicles are compatible with the 4.7L V8 engine from 2012-Present Mercedes SL?
The 4.7L V8 engine is specifically designed for the 2012-Present Mercedes SL-Class, including models like the SL550 and SL63 AMG. This engine is not directly compatible with other vehicle models due to its unique specifications, including its M278 engine code, twin-turbocharging system, and integration with Mercedes' 7-speed automatic transmission. Always verify compatibility with your vehicle's VIN before attempting any modifications or replacements.
Q2 What are the maintenance requirements for the 4.7L V8 engine?
What are the maintenance requirements for the 4.7L V8 engine?
The 4.7L V8 engine requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 10,000 miles or annually, using Mercedes-approved 5W-40 synthetic oil. Air filters should be replaced every 30,000 miles, and spark plugs every 60,000 miles. Additionally, inspect the timing chain and turbochargers for wear every 75,000 miles. Adhering to the manufacturer's maintenance schedule is crucial to avoid costly repairs and maintain engine longevity.
Q3 How do I replace the 4.7L V8 engine in a Mercedes SL?
How do I replace the 4.7L V8 engine in a Mercedes SL?
Replacing the 4.7L V8 engine is a complex process that requires professional expertise. Begin by disconnecting the battery and removing components like the air intake, exhaust system, and wiring harnesses. Use an engine hoist to lift the engine out of the vehicle. Install the new engine by reversing the removal process, ensuring all connections are secure. Torque bolts to manufacturer specifications and refill fluids. It's highly recommended to consult a Mercedes-certified technician for this procedure.
Q4 What should I do if my 4.7L V8 engine is experiencing performance issues?
What should I do if my 4.7L V8 engine is experiencing performance issues?
If your 4.7L V8 engine is underperforming, start by checking for error codes using an OBD-II scanner. Common issues include faulty spark plugs, clogged air filters, or low oil levels. Inspect the turbochargers for leaks or damage. Ensure the fuel injectors and ignition coils are functioning properly. If the problem persists, consult a Mercedes specialist for advanced diagnostics, as issues like timing chain wear or ECU malfunctions may require professional intervention.
Q5 How can I optimize the performance of my 4.7L V8 engine?
How can I optimize the performance of my 4.7L V8 engine?
To optimize performance, use high-quality synthetic oil and replace air and fuel filters regularly. Consider upgrading to performance spark plugs and ensuring the turbochargers are in good condition. A professional ECU tune can enhance horsepower and torque. Additionally, maintain proper tire pressure and ensure the transmission is functioning smoothly. Avoid aggressive driving habits and follow the manufacturer’s maintenance schedule for long-term performance benefits.
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 SL 4.7L V8 Engine Service Manual
Coming SoonThis manual provides detailed instructions for servicing and maintaining the 4.7L V8 engine, including troubleshooting and repair procedures.
Technical Service Bulletin for 4.7L V8 Engine Updates
Coming SoonThis bulletin outlines recent updates and fixes for the 4.7L V8 engine, including software patches and hardware improvements.
Mercedes SL 4.7L V8 Parts and Accessories Catalog
Coming SoonThis catalog lists genuine parts and accessories for the 4.7L V8 engine, ensuring compatibility and optimal performance.
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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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