Description

Mercedes-Benz M256 3.0L inline-6 turbocharged engine, removed from an accident vehicle and fully inspected.
It’s a genuine OEM engine, designed with Mercedes’ modern EQ Boost mild-hybrid system, combining performance with efficiency.

The M256 debuted in 2017 and powers various high-end models such as the S-Class, CLS, E-Class, and GLE.
Featuring a single twin-scroll turbocharger, an integrated electric auxiliary compressor, and direct injection, it delivers smooth yet powerful performance.
This unit shows approximately 72,000 km and is in good running order. Transmission may be included on some units (confirm availability).

Package Includes

• OEM Mercedes-Benz M256 3.0L inline-6 engine assembly
• Twin-scroll turbocharger with electric auxiliary compressor
• Wiring harness, sensors, and accessories as removed
• Intercooler plumbing and intake manifold
• ECU (if supplied)
• Transmission (confirm availability)
• Heavy-duty pallet for secure worldwide transport

Key Details

• Engine code: M256
• Displacement: 3.0 L inline-6
• Power output: ~362–435 hp depending on model
• Torque: 500–520 Nm
• Mileage: ~72,000 km
• Condition: Used OEM, inspected and tested

Compatibility

• Direct fit for Mercedes models equipped with the M256, including:
  • 2017+ S-Class (S450, S500, S53 AMG)
  • CLS 450, CLS 53 AMG
  • E-Class (E450, E53 AMG)
  • GLE/GLS 450, GLE/GLS 53 AMG
  • Other modern 3.0L Mercedes platforms with M256 inline-6

For related engines, see our
Mercedes-AMG M177 4.0L V8 Biturbo and
Mercedes-AMG M156 6.2L V8.
Technical references:
Wikipedia: Mercedes-Benz M256 engine and
Car and Driver: Mercedes Inline-6 M256.

Why this engine

The M256 represents Mercedes’ return to the inline-6 format, combining a turbocharger with an electric supercharger for instant response.
It delivers excellent performance, smooth operation, and efficiency with EQ Boost mild-hybrid technology.
Ideal for replacing or upgrading late-model Mercedes vehicles with OEM reliability.

Shipping & Payment

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