Mercedes-Benz Mercedes S-Class 2021-present 4.0L V8 Engine Specifications
Explore detailed specifications for the 4.0L V8 engine in the 2021-Present Mercedes S-Class. This guide covers technical details, maintenance, and performance metrics, essential for enthusiasts and technicians.
Overview Specifications
This document provides detailed specifications and technical information about the 4.0L V8 engine used in the 2021-Present Mercedes S-Class. It covers various aspects including performance, design, and advanced technologies. Use this guide to understand the engine's capabilities, maintenance requirements, and unique features. Whether you're an owner, enthusiast, or technician, this document will serve as a comprehensive resource for all your needs related to the 4.0L V8 engine.
How to Use
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Navigate through the document by clicking on the section titles in the table of contents. Each section is divided into subsections for easier access to specific information.
Key Specifications
Displacement
4.0L
Cylinders
8
Horsepower
496 hp
Torque
516 lb-ft
Fuel Economy
17/26 mpg
Available Specifications
Performance
This section delves into the performance metrics of the 4.0L V8 engine, including horsepower, torque, and acceleration. It also covers the engine's efficiency and how it enhances the driving experience of the Mercedes S-Class.
Performance
This section delves into the performance metrics of the 4.0L V8 engine, including horsepower, torque, and acceleration. It also covers the engine's efficiency and how it enhances the driving experience of the Mercedes S-Class.
Power Output
- Horsepower: 496 hp
- Torque: 516 lb-ft
- 0-60 mph: 4.4 seconds
- Top Speed: 155 mph (electronically limited)
- Engine Redline: 7,000 rpm
- Power-to-Weight Ratio: 6.5 lbs/hp
Efficiency
- Fuel Economy: 17 mpg city / 26 mpg highway
- CO2 Emissions: 299 g/km
- Start-Stop Technology: Standard
- Eco Mode: Improves fuel efficiency
- Hybrid Assist: Mild hybrid system
- Energy Recovery: Regenerative braking
Design
This section explores the design aspects of the 4.0L V8 engine, including its construction, materials used, and layout. It also highlights the engineering innovations that contribute to its performance and durability.
Design
This section explores the design aspects of the 4.0L V8 engine, including its construction, materials used, and layout. It also highlights the engineering innovations that contribute to its performance and durability.
Construction
- Engine Block: Aluminum alloy
- Cylinder Heads: Aluminum
- Crankshaft: Forged steel
- Pistons: Forged aluminum
- Valvetrain: DOHC, 32 valves
- Bore x Stroke: 3.86 x 3.56 inches
Innovations
- Twin-Turbocharging: Parallel twin-turbo setup
- Direct Injection: High-pressure fuel injection
- Variable Valve Timing: Camtronic system
- Thermal Management: Optimized cooling
- Lightweight Design: Reduced overall weight
- Balancer Shafts: Reduced vibrations
Technology
This section covers the advanced technologies integrated into the 4.0L V8 engine, focusing on features that enhance performance, efficiency, and reliability. It also discusses the engine's compatibility with other vehicle systems.
Technology
This section covers the advanced technologies integrated into the 4.0L V8 engine, focusing on features that enhance performance, efficiency, and reliability. It also discusses the engine's compatibility with other vehicle systems.
Advanced Features
- Mild Hybrid System: EQ Boost technology
- Electronic Engine Management: Integrated control unit
- Adaptive Dynamics: Real-time adjustments
- Sound Engineering: AMG Performance exhaust
- Diagnostics: On-board diagnostics system
- Connectivity: Integration with infotainment
Safety and Reliability
- Redundant Systems: Backup systems for critical components
- Overheat Protection: Automatic engine shutdown
- Oil Monitoring: Real-time oil level and quality
- Maintenance Alerts: Predictive maintenance notifications
- Warranty Coverage: Comprehensive warranty package
- Durability Testing: Rigorous testing under extreme conditions
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Engine Specifications
Overview
- Type
- Biturbo V8
- Configuration
- 90° V-angle
- Platform
- M176
- Material
- Aluminum alloy
- Location
- Front longitudinal
- Aspiration
- Twin-turbocharged
Dimensions
- Length
- 28.7 in (729 mm)
- Width
- 30.1 in (765 mm)
- Height
- 26.8 in (681 mm)
- Displacement
- 244.9 cu in (3982 cc)
- Bore
- 3.27 in (83 mm)
- Stroke
- 3.62 in (92 mm)
- Compression Ratio
- 10.5:1
- Weight
- 474 lbs (215 kg)
Materials
- Block
- Aluminum-silicon alloy
- Cylinder Heads
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Camshafts
- Chilled cast iron
Features
- Performance
-
- 469-603 hp
- 516-664 lb-ft torque
- 0-60 mph in 3.8-4.4 sec
- Top speed 155-186 mph
- Technology
-
- Camtronic variable valve timing
- ECO Start/Stop system
- Multi-spark ignition
- Close-coupled catalytic converters
- Efficiency
-
- Integrated starter-generator (ISG)
- 48V mild hybrid system
- Cylinder deactivation
- Optimized thermal management
- Cooling
-
- Dual cooling circuits
- Variable water pump
- Charge air cooling
- Oil-to-water intercooler
- Fuel System
-
- Direct injection
- High-pressure fuel pump
- Piezo injectors
- 350 bar fuel pressure
Safety Features
- Engine Protection
-
- Knock control system
- Overboost protection
- Overspeed limiter
- Monitoring
-
- Oil pressure sensor
- Coolant temperature sensor
- Turbocharger temperature monitoring
- Fail-Safes
-
- Limp-home mode
- Emergency cooling system
- Automatic shutdown protection
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Balancer shafts
- Optimized mounting system
- Vibration Control
-
- Hydraulic engine mounts
- Torsional damper
- Precision-balanced components
- Drive Modes
-
- Eco
- Comfort
- Sport
- Sport+
- Individual
Accessories
- Bolt-Ons
-
- Performance air intake
- High-flow exhaust
- Upgraded intercooler
- Tuning
-
- ECU remapping
- Boost controller
- Performance software
- Maintenance
-
- Oil filter kit
- Spark plug set
- Timing chain kit
- Gasket set
Maintenance
- Service interval
- 10,000 miles or 12 months
- Service Items
-
- Oil and filter change
- Spark plug replacement
- Air filter inspection
- Timing chain check
- Belt tensioner inspection
- Notes
- Use only MB-approved synthetic oil 0W-40 or 5W-40
Warranty
- Basic
- 4 years/50,000 miles
- Powertrain
- 5 years/60,000 miles
- Emissions
- 8 years/80,000 miles
- Corrosion
- 12 years/unlimited miles
- Terms
- Transferable to subsequent owners
Production Details
- Manufacturer
- Mercedes-AMG GmbH
- Location
- Affalterbach, Germany
- Processes
-
- Precision assembly
- One-man-one-engine principle
- Dynamometer testing
- Leak testing
- Quality Control
- Tolerances: ±0.001 mmTesting: 24-hour endurance testinspection: 100% component verification
- Sustainability
-
- Closed-loop aluminum recycling
- Low-emission painting
- Energy-efficient production
- Metrics
- Daily Output: 120 unitsAssembly Time: 6.5 hoursPrecision Tools: 97 automated stations
Service Information for 4.0l v8 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Air filter inspection
- Spark plug condition check
- Belt and pulley inspection
- Coolant level check
Use only MB-approved 0W-40 or 5W-40 synthetic oil
- Spark plug replacement
- Air filter replacement
- Fuel filter replacement
- PCV valve inspection
- Ignition coil check
Requires specialized tools for spark plug replacement
- Timing chain inspection
- Water pump replacement
- Belt tensioner replacement
- Coolant flush
- Turbocharger inspection
Major service requiring 8-10 hours of labor
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 4.0L V8 engine compatible with all 2021-Present Mercedes S-Class models?
Is the 4.0L V8 engine compatible with all 2021-Present Mercedes S-Class models?
The 4.0L V8 engine is compatible with select models of the 2021-Present Mercedes S-Class, specifically the AMG S 63 and S 580 variants. It is designed to work seamlessly with the 9-speed automatic transmission and the 4MATIC all-wheel-drive system. Always verify compatibility with your vehicle’s VIN or consult your dealer for confirmation.
Q2 What are the maintenance requirements for the 4.0L V8 engine?
What are the maintenance requirements for the 4.0L V8 engine?
The 4.0L V8 engine requires regular maintenance, including oil changes every 10,000 miles or annually, air filter replacements every 30,000 miles, and spark plug replacements every 60,000 miles. Additionally, inspect the timing chain and coolant system periodically. Follow the manufacturer’s service schedule to ensure optimal performance and longevity.
Q3 How do I replace the 4.0L V8 engine in my Mercedes S-Class?
How do I replace the 4.0L V8 engine in my Mercedes S-Class?
Replacing the 4.0L V8 engine requires professional expertise. Begin by safely disconnecting the battery and draining fluids. Remove the intake manifold, exhaust system, and engine mounts. Use a hoist to lift the engine out. Install the new engine by reversing the process, ensuring all connections are secure. Always refer to the service manual or consult a certified technician.
Q4 What should I do if my 4.0L V8 engine is overheating?
What should I do if my 4.0L V8 engine is overheating?
If your 4.0L V8 engine is overheating, first check the coolant level and inspect for leaks. Ensure the radiator fan is functioning and the thermostat is operational. If the issue persists, examine the water pump and coolant passages for blockages. Seek professional assistance if the problem cannot be resolved to prevent engine damage.
Q5 How can I optimize the performance of my 4.0L V8 engine?
How can I optimize the performance of my 4.0L V8 engine?
To optimize performance, use high-quality synthetic oil and premium fuel. Regularly clean the air intake and throttle body. Consider upgrading the exhaust system and ECU tuning for enhanced power and efficiency. Ensure proper tire pressure and alignment for better handling. Always follow the manufacturer’s recommendations for maintenance and upgrades.
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 S-Class 4.0L V8 Engine Service Manual
Coming SoonDetailed guide covering maintenance, repair, and troubleshooting for the 4.0L V8 engine in the 2021-Present Mercedes S-Class.
Technical Service Bulletin for 4.0L V8 Engine Updates
Coming SoonLatest updates and fixes for the 4.0L V8 engine, addressing common issues and performance enhancements.
Mercedes S-Class Parts and Accessories Catalog
Coming SoonComprehensive catalog of OEM and aftermarket parts and accessories for the 2021-Present Mercedes S-Class 4.0L V8 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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