Mercedes S63 AMG 6.3 V8 Engine – M156 (156984) – 525HP – W221

Available is a genuine Mercedes-Benz S63 AMG 6.3L V8 engine (M156 – 156984) removed from a 2012 W221 model. This high-performance AMG powerplant delivers an impressive 525 horsepower, engineered for exceptional power delivery and refined V8 performance.

The engine has 136,700 km and is sold as a complete assembly, making it an ideal solution for replacement or performance restoration projects requiring the original AMG specification.

Built by AMG, the M156 6.3L naturally aspirated V8 is renowned for its strong torque curve, responsive throttle, and unmistakable exhaust note.

Engine Specifications

• Engine Code: M156 / 156984

• Configuration: Naturally Aspirated V8

• Displacement: 6.3 Liters

• Horsepower: 525 HP

• Fuel System: Electronic Fuel Injection

• Application: Mercedes-Benz S63 AMG W221

• Mileage: 136,700 km

What’s Included

Engine is sold complete, typically including:

• Cylinder Block & Heads

• Intake Manifold

• Fuel System Components

• Ignition System

• Front Accessories (as shown)

(Exact accessories included may vary; refer to photos or confirm before purchase.)

Compatibility

• Mercedes-Benz S63 AMG W221 (2012)

• Compatible with vehicles equipped with the M156 156984 6.3L V8 engine

VIN verification is recommended to confirm fitment.

Highlights

• Genuine AMG 6.3L V8 engine

• Factory 525HP performance specification

• Complete engine assembly

• Ideal for OEM-correct restoration or replacement