Mercedes-Benz Mercedes S-Class 2014-2020 4.7L V8 Engine Specifications
Explore the detailed specifications of the 2014-2020 Mercedes S-Class 4.7L V8 engine, including performance metrics, maintenance tips, and upgrade options. Perfect for enthusiasts and technicians.
Overview Specifications
This document provides detailed specifications and technical information about the 4.7L V8 engine used in the 2014-2020 Mercedes-Benz S-Class. It is designed for enthusiasts, technicians, 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
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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
4.7 liters
Horsepower
449 hp
Torque
516 lb-ft
Fuel Efficiency
18 MPG combined
Top Speed
155 mph
Available Specifications
Engine Performance
This section covers the performance metrics of the 4.7L V8 engine, including horsepower, torque, and acceleration. It also includes details on fuel efficiency and emissions compliance.
Engine Performance
This section covers the performance metrics of the 4.7L V8 engine, including horsepower, torque, and acceleration. It also includes details on fuel efficiency and emissions compliance.
Power Output
- Horsepower: 449 hp at 5,250-5,500 rpm
- Torque: 516 lb-ft at 1,800-3,500 rpm
- 0-60 mph acceleration: 4.8 seconds
- Top speed: 155 mph (electronically limited)
Fuel Efficiency
- City MPG: 15
- Highway MPG: 23
- Combined MPG: 18
- Fuel type: Premium unleaded
Engine Design
This section delves into the engineering and design features of the 4.7L V8 engine, including its construction, materials, and advanced technologies.
Engine Design
This section delves into the engineering and design features of the 4.7L V8 engine, including its construction, materials, and advanced technologies.
Construction
- Aluminum block and cylinder heads
- Dual overhead camshafts (DOHC)
- 32-valve configuration
- Direct fuel injection
Advanced Technologies
- Twin-turbocharging system
- ECO Start/Stop function
- Variable valve timing
- Low-friction components for improved efficiency
Maintenance and Reliability
This section provides information on maintenance schedules, common issues, and reliability ratings for the 4.7L V8 engine.
Maintenance and Reliability
This section provides information on maintenance schedules, common issues, and reliability ratings for the 4.7L V8 engine.
Maintenance Schedule
- Oil change interval: 10,000 miles or 1 year
- Spark plug replacement: 60,000 miles
- Timing chain inspection: 100,000 miles
- Coolant flush: 50,000 miles
Common Issues
- Turbocharger wear over time
- Oil leaks from gaskets
- Carbon buildup on intake valves
- Cooling system inefficiencies
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Engine Specifications
Overview
- Type
- V8 Bi-Turbo
- Configuration
- 90-degree V-angle
- Platform
- M278 DE 46 AL
- Material
- Aluminum block and heads
- Location
- Front longitudinal
Dimensions
- Displacement
- 4663 cc (284.6 cu in)
- Bore
- 92.9 mm (3.66 in)
- Stroke
- 86 mm (3.39 in)
- Length
- 720 mm (28.35 in)
- Width
- 680 mm (26.77 in)
- Height
- 620 mm (24.41 in)
- Weight
- 202 kg (445.3 lbs)
Materials
- Engine Block
- Aluminum-silicon alloy
- Cylinder Heads
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Hollow-stem sodium-filled
Features
- Fuel System
-
- Direct injection
- High-pressure fuel pump
- Multi-spark ignition
- Turbocharging
-
- Twin turbochargers
- Air-to-water intercooler
- Variable turbine geometry
- Emissions
-
- Euro 6 compliant
- Start-stop system
- Catalytic converters
- Cooling
-
- Dual-circuit cooling system
- Electric water pump
- Thermostatically controlled
- Lubrication
-
- Dry-sump oil system
- Variable oil pump
- Oil cooler
Safety Features
- Engine Protection
-
- Knock sensors
- Overboost protection
- Oil pressure monitoring
- Thermal Management
-
- Coolant temperature sensors
- Overheat protection
- Thermal insulation
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Balanced crankshaft
- Hydraulic engine mounts
- Vibration Control
-
- Dual-mass flywheel
- Active engine mounts
- Harmonic dampers
Accessories
- Belts And Pulleys
-
- Serpentine belt
- Tensioner pulley
- Idler pulley
- 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
- Air filter inspection
- Spark plug replacement
- Timing chain inspection
- Coolant flush
- Maintenance Notes
- Use only Mercedes-Benz approved fluids and parts
Warranty
- Basic Warranty
- Miles: 50,000Years: 4Coverage: Bumper-to-bumper
- Powertrain Warranty
- Miles: 100,000Years: 7Coverage: Engine and transmission
- Corrosion Warranty
- Miles: UnlimitedYears: 12Coverage: Perforation only
- Roadside Assistance
- Miles: UnlimitedYears: 4Coverage: 24/7 assistance
Production Details
- Manufacturer
- Mercedes-Benz
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- inspection: 100% engine testingTolerances: Micron-level precisionCertifications: ISO 9001
- Sustainability Practices
-
- Recycled aluminum
- Low-emission manufacturing
- Energy-efficient processes
- Production Metrics
- Units Per Year: 50,000Production Sites: Stuttgart, Germany
Service Information for 4.7l v8 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Air filter inspection
- Spark plug inspection
- Coolant level check
- Belt and pulley inspection
Use only Mercedes-Benz approved oil and filters
- Fuel filter replacement
- Air filter replacement
- Coolant flush
- Timing chain inspection
- Turbocharger inspection
Special tools required for turbocharger inspection
- Spark plug replacement
- Timing chain replacement
- Water pump inspection
- Engine mount inspection
- Comprehensive engine diagnostics
Major service interval; requires certified technician
Common Questions
Find answers to common questions about torque specifications
Q1 What are the compatibility details for the 4.7L V8 engine in 2014-2020 Mercedes S-Class?
What are the compatibility details for the 4.7L V8 engine in 2014-2020 Mercedes S-Class?
The 4.7L V8 engine is compatible with the 2014-2020 Mercedes S-Class models, specifically the S550 and S550e variants. It features a twin-turbocharged design, producing 449 horsepower and 516 lb-ft of torque. The engine is paired with a 7-speed automatic transmission and supports both rear-wheel and all-wheel drive configurations. It is engineered to meet Euro 6 emissions standards and is compatible with premium unleaded gasoline.
Q2 What maintenance is required for the 4.7L V8 engine in the Mercedes S-Class?
What maintenance is required for the 4.7L V8 engine in the Mercedes S-Class?
Regular maintenance for the 4.7L V8 engine includes oil changes every 10,000 miles or annually, using synthetic oil. The air filter should be replaced every 30,000 miles, and spark plugs every 60,000 miles. The coolant system requires flushing every 50,000 miles, and the timing chain should be inspected every 100,000 miles. Adhering to Mercedes-Benz’s recommended service schedule ensures optimal engine performance and longevity.
Q3 How do I install or replace the 4.7L V8 engine in a Mercedes S-Class?
How do I install or replace the 4.7L V8 engine in a Mercedes S-Class?
Replacing the 4.7L V8 engine involves draining fluids, disconnecting the battery, and removing the engine mounts and transmission connections. Use a hoist to lift the engine out carefully. Installation requires aligning the new engine with the transmission, securing mounts, and reconnecting all components. Ensure all electrical and fuel systems are properly reattached. It’s recommended to follow the Mercedes-Benz service manual or consult a certified technician for precise guidance.
Q4 What are common troubleshooting steps for the 4.7L V8 engine?
What are common troubleshooting steps for the 4.7L V8 engine?
Common issues include rough idling, reduced power, or warning lights. Start by checking the engine’s diagnostic codes using an OBD-II scanner. Inspect the air intake system for blockages, test the fuel injectors, and verify spark plug functionality. Ensure the turbochargers are operating correctly and check for oil leaks. Regular diagnostics and addressing issues promptly can prevent major engine problems.
Q5 How can I optimize the performance of the 4.7L V8 engine?
How can I optimize the performance of the 4.7L V8 engine?
To optimize performance, use high-quality synthetic oil and premium fuel. Regularly clean or replace air filters and ensure the turbochargers are functioning efficiently. Consider upgrading the exhaust system for better airflow and tuning the engine’s ECU for enhanced power output. Maintain proper tire pressure and reduce vehicle weight for improved efficiency. Regular servicing and adhering to the manufacturer’s guidelines are essential.
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-Benz S-Class Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and technical specifications for the 2014-2020 S-Class models.
Technical Service Bulletin for 4.7L V8 Engine
Coming SoonLatest updates and fixes for common issues related to the 4.7L V8 engine in the S-Class.
S-Class Parts and Accessories Catalog
Coming SoonDetailed catalog of genuine parts and accessories compatible with the 2014-2020 Mercedes S-Class.
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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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