Mercedes-Benz M178, M176 And M177 Engine Review

Mercedes-Benz M178, M176, and M177 Engines for Sale: Specifications, Performance, and Availability

If you’re looking for Mercedes-Benz M178, M176, or M177 engines for sale, you’re probably after world-class performance cloaked in German engineering prowess. These powerplants are at the center of some of the most well-known AMG and high-performance Mercedes cars—and we have them available for sale.

Whether you are a performance tuner, engine swap technician, or commercial garage seeking a reliable replacement, this guide will discuss all you’ll want to know about these engines—specifications, variations, uses, and the way buying from us ensures long-term performance and value.

Introduction to the Mercedes-Benz M176, M177, and M178 Engines

The M176, M177, and M178 are Mercedes-Benz’s 4.0-liter twin-turbo V8 engine family that was developed to supplant the 5.5-liter M157 and naturally aspirated 6.2-liter M156 engines. The engines have been widely utilized across numerous platforms, from luxury sedans to performance coupes and supercars.

Here is a brief summary:

Each version is optimized to its desired application, and we offer new as well as remanufactured units.

Overview of M176 Engine: Performance Blending with Luxury

The M176 engine is designed for refinement, smooth, effortless power delivery for luxury-tuned cars. It’s used in the likes of Mercedes-Benz S-Class, G-Class, and Maybach. It shares the same architecture as the M177 and M178 but is tuned for more refinement.

M176 Key Specifications:

• Displacement: 4.0 liters (3,982 cc)
• Configuration: Twin-turbocharged V8
• Fuel System: Direct injection
• Turbo Setup: Two mono-scroll turbochargers in the “hot-V”
• Compression Ratio: 10.5:1
• Horsepower: ~460–490 hp
• Torque: 516–524 lb-ft
• Cooling: Water-cooled intercooler
• Weight: ~220 kg

Why Buy the M176 Engine from Us?

We have tested, warrantied M176 engines ready for installation now. When restoring an S-Class or replacing a project car, the M176 offers the ideal blend of refinement and performance.

M177 Engine: The Heart of Mercedes-AMG Performance

The M177 is the performance variant fitted on most current AMG 63 models. It is essentially the same engine as the M178 but features a wet sump lubrication system instead of dry sump, which is more affordable but still produces class-leading power.

Applications of M177:

• Mercedes-AMG E63 S
• Mercedes-AMG C63 & C63 S
• Mercedes-AMG GLC63
• Mercedes-AMG G63
• Mercedes-AMG GT63 4-Door Coupe

Key Specifications of M177:

• Displacement: 4.0 liters
• Turbochargers: Twin-scroll turbochargers in hot-V
• Fuel Injection: Direct injection
• Lubrication: Wet sump
• Horsepower: 456 to 639 hp (in GT63 S)
• Torque: 516–664 lb-ft
• Block & Heads: Aluminum alloy

Performance Highlights:

• Electronically controlled wastegates to improve turbo response
• Camtronic variable valve timing system
• Cylinder deactivation (in some models) for efficiency

Why Purchase the M177 Engine from Us?

We provide good quality new and remanufactured M177 engines at competitive prices with shipping. All our units are compression tested, leak-down tested, and emissions tested.

M178 Engine: Track-Bred, Street-Ready

The M178 is the special performance engine designed specifically for the AMG GT series of vehicles. Unlike its cousins, the M178 features a dry-sump lubrication system, enabling mounting the engine lower to achieve improved center of gravity and track handling.

M178 Applications:

• Mercedes-AMG GT
• AMG GT S / GT C / GT R
• AMG GT Black Series

M178 Key Specifications:

• Displacement: 3,982 cc
• Turbo Configuration: Twin-scroll turbos in hot-V
• Lubrication: Dry sump (separate external reservoir)
• Horsepower: 469 hp to 730+ hp (Black Series)
• Torque: 465–590 lb-ft
• Redline: Up to 7,200 rpm

Engineering Features:

• Lightweight forged pistons
• Plasma-sprayed cylinder liners for reduced friction
• High-performance cooling system with multiple intercoolers
• Titanium connecting rods (higher trims)

Why Buy the M178 Engine from Us?

We sell M178 crate engines, complete assemblies, and remanufactured units for your high-performance swap or AMG GT build. Each engine is dyno-tested and warranted for peace of mind.

M176 vs M177 vs M178 Comparison

Why Buy These Engines from Us?

We are a trusted supplier of Mercedes-Benz M176, M177, and M178 engines that stand for quality, openness, and customer service.

What You Receive When Buying From Us:

✅ Brand new and remanufactured genuine OEM engines
✅ Thoroughly tested for reliability and performance
✅ Warranty (different specifications depending on the engine model)
✅ Shipping worldwide
✅ Technical customer support

We sell engines for direct replacement, performance, and restoration.

Engine Configurations on Offer

We have a few configurations based on your request:

🔧 Complete Engines

• Ready to be installed
• Includes accessories (manifolds, turbochargers, injectors)

🔧 Long Block Assemblies

• Pistons, crankshaft, block, and cylinder heads

🔧 Crate Engines

• Ideal for project swaps as well as performance builds

Applications: Cars Using These Engines

M176:

• Mercedes-Benz S560
• Mercedes-Benz G550
• Mercedes-Maybach S-Class

M177:

• Mercedes-AMG C63/C63 S
• Mercedes-AMG E63/E63 S
• Mercedes-AMG G63
• Mercedes-AMG GLC63
• Mercedes-AMG GT63/GT63 S 4-Door

M178:

• Mercedes-AMG GT
• AMG GT S
• AMG GT C
• AMG GT R
• AMG GT Black Series

Engine Swap Potential: M177 and M178 in Project Builds

The majority of the enthusiasts prefer transplanting M177 or M178 engine to non-Mercedes vehicles for custom projects due to its compact size, power-to-weight ratio, and consistency in performance. Swaps are primarily undertaken in:

• Drift builds
• Drag racing setups
• Off-road vehicles (utilizing M177 from G63)
• Restomod classic cars

Swap consulting and supportive parts are available from us for compatibility.

Tips for Maintenance for Longevity

To maintain your M176, M177, or M178 engine in like-new condition:

• Use high-quality synthetic oil – Mercedes-Benz recommended intervals
• Check turbos regularly – These motors endure significant boost
• 30,000–40,000-mile spark plug changes
• Keep cooling systems in excellent condition – Never overheat
• Use only premium fuel

Auxiliary components like ECUs, turbochargers, wiring harnesses, etc., are also stocked by us for a full installation.

Final Thoughts: Feel the Power of AMG Today

Need a Mercedes-Benz M176, M177, or M178 engine? Look no further. We are your best source for performance engines that have been inspected, tested, and warrantied to perform. Whether engine replacement of a blown motor or building a performance vehicle or upgrading from your current configuration, our selection has it.

📞 Ready to Buy?

Call us now to place an order for a quote or view our in-stock inventory.

✅ Expert assistance
✅ Global shipping
✅ Free-warranty-backed engines

Take home your own AMG performance today — view our comprehensive inventory of Mercedes-Benz M176, M177, and M178 engines for sale.

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