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mercedes benz m278 engine
m278 engine

Mercedes M278 Engine

SKU: MERC-M45856 Category: Tags: , , , , , Brand:

Price range: $5,000.00 through $10,000.00

The prices are exclusive of taxes and shipping. The price may vary depending upon the miles and year of manufacturing.

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Additional Information

Brand

Mercedes-Benz
Conditions

Remanufactured, Used
Miles

70000-130000
Year Compatibility

2010–2018
Verified

Tried & Tested
Warranty

Up to 3 Months
Call Us Directly

The M278 engine is a 4.0-liter twin-turbocharged V8 powerplant producing 401–455 horsepower depending on generation. This premium Mercedes-AMG platform has powered E-Class, GLE, and S-Class models since 2009, delivering aggressive turbocharged performance with luxury refinement. Known for responsive power delivery, precision engineering, and AMG heritage, the engine is ideal for performance luxury enthusiasts. Available with comprehensive testing and warranty coverage.

Features

  • Tested Engine with Warranty
  • Hassle-Free Returns Available
  • Live Customer Support
  • Direct Fit for Your Vehicle

The M278 engine is a sophisticated 4.0-liter twin-turbocharged V8 engineered for premium AMG performance, producing 401–455 hp and 398–516 lb-ft of torque depending on generation. This powerful powerplant exclusively powers Mercedes-AMG E63, GLE63, and S63 (W212/W213/C292/W222) models from 2009–present, delivering aggressive acceleration with refined daily drivability. The engine features direct fuel injection, variable valve timing, twin turbochargers with optimized cooling, and precision engineering for responsive power delivery across diverse driving conditions.

This twin-turbocharged V8 defines modern Mercedes-AMG performance standards. For comparable turbocharged alternatives, explore the S63 engine for competitive high-performance benchmarks. Transmission integration is seamless. Our ZF8 automatic transmission pairs perfectly with M278 powertrains. Learn about Mercedes-AMG engineering on Wikipedia’s Mercedes-AMG engine lineup. All units tested for precision with complete warranty protection.

Specification

Product TypeEngine
Displacement (Engine Size)4.7L Twin-Turbo V8
Fuel TypeGasoline
AvailabilityIn Stock
ShippingNationwide Available
Use CaseIdeal for performance builds, swaps, and replacements

Frequently Asked Questions

  1. What are the M278 engine specs compared to naturally-aspirated competitors?

    The M278 engine specs deliver 401–455 hp from 4.0L displacement with twin turbochargers. This twin-turbo architecture produces superior torque (398–516 lb-ft) compared to larger naturally-aspirated engines, achieving peak efficiency and responsiveness.

  2. What are common M278 engine problems owners should monitor?

    Known M278 problems include occasional turbocharger lag in early variants, carbon buildup on direct-injection valves, and cooling system sensitivity to extreme temperatures. Regular maintenance and quality synthetic oil prevent most issues effectively.

  3. How reliable is the M278 engine for high-mileage ownership?

    The M278 engine reliability is excellent with proper maintenance—many examples exceed 200,000 miles reliably. However, avoiding aggressive driving and maintaining strict service intervals maximizes M278 reliability over extended ownership periods.

  4. What vehicles use the M278 engine in the performance market?

    Powers exclusively Mercedes-AMG E63 (W212/W213), GLE63 (C292), and S63 (W222) models from 2009–present. Available engines for sale include all generation variants verified for AMG platform compatibility and verified specifications.

  5. Can I increase horsepower on the M278 engine with modifications?

    Absolutely. Quality ECU tuning yields 480+ hp safely on this twin-turbocharged platform. The M278 engine responds exceptionally well to increased boost pressure with supporting modifications while maintaining Mercedes-AMG refinement and legendary durability standards.

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Shiping Policy

Transparent, nationwide delivery — fast and secure.

Shipping Policy

Our shipping policy is flexible, as the shipping charges depend on the location. A few certain remote regions like CO, UT, NY, OR, & CA may have additional shipping charges or delivery fees. However, some circumstances may cause delays,  but we always strive to deliver your order as quickly as possible.

Please note that all shipping times are estimates and not guaranteed. We examine all rebuilt and used engines before shipment and aim to provide high-quality used engines and transmissions. Shipping details and fees will be disclosed to consumers before any transactions are made. Our team is operational 24/7, and you can call us at +1-888-799-0188 to place an order.

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