Description

Mercedes-Benz W212/W218 CLS550 / SL550 4.6 L Bi-Turbo V8 engine (M278), removed from an accident vehicle and fully inspected. It’s a factory-original AMG-compatible engine assembly, designed for direct replacement or performance upgrades.

The M278 is a 4.6-litre, twin-turbo, DOHC V8 with direct injection. Depending on the model, it produces around 402 hp and 443 lb-ft of torque:contentReference[oaicite:0]{index=0}. It launched in 2011 and delivers strong performance, efficiency, and smooth power at every rpm. This unit has approximately 80,000 km. It may include the transmission—please confirm at purchase. The engine is securely palletized for shipping.

Package Includes

• Mercedes-Benz M278 4.6 L Bi-Turbo V8 engine assembly
• OEM twin turbochargers
• Direct injection fuel system components
• Wiring harness and sensors
• Accessory drive components (as removed)
• ECU (if included)
• Transmission (confirm inclusion when ordering)
• Heavy-duty pallet for secure transport

Key Details

• Engine code: M278 4.6 L V8 Bi-Turbo, direct injection
• Power output: ~402 hp and 443 lb-ft torque in standard form:contentReference[oaicite:1]{index=1}
• Mileage: 80,000 km
• Condition: Used OEM, tested and in good running order

Compatibility

• Fits Mercedes-Benz models originally equipped with 4.6 L M278, including:
  • W212 E550, W218 CLS550, R231 SL550
• Adaptable to compatible rear- or all-wheel drive chassis with minor modifications

Consider these engines too:
Mercedes-AMG M157 5.5 L Biturbo V8 or
Ford Mustang GT350 Voodoo 5.2 L Engine.
For deeper specs and background, check the
Wikipedia page on the M278 engine, which details its design, power outputs, and launch date:contentReference[oaicite:2]{index=2}.

Why this engine

The M278 4.6 L Bi-Turbo V8 delivers a refined balance of power and efficiency. Its direct injection and twin-turbo setup offer smoother throttle response, reduced fuel consumption, and lower emissions compared to previous generations. It’s a great upgrade or replacement that brings modern performance to classic models.

Shipping & Payment

• Worldwide shipping available—palletized and secured
• Fast delivery options available on request
• Payment accepted by bank transfer, card, or crypto