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Mercedes-Benz M278 Engine Overhaul Kit
Mercedes-Benz M278 Engine Overhaul Kit
Mercedes-Benz M278 Engine Overhaul Kit
Mercedes-Benz M278 Engine Overhaul Kit
Mercedes-Benz M278 Engine Overhaul Kit
Mercedes-Benz M278 Engine Overhaul Kit
Mercedes-Benz M278 Engine Overhaul Kit
Mercedes-Benz M278 Engine Overhaul Kit
  1. Mercedes-Benz M278 Engine Overhaul Kit
  2. Mercedes-Benz M278 Engine Overhaul Kit
  3. Mercedes-Benz M278 Engine Overhaul Kit
  4. Mercedes-Benz M278 Engine Overhaul Kit
  5. Mercedes-Benz M278 Engine Overhaul Kit
  6. Mercedes-Benz M278 Engine Overhaul Kit
  7. Mercedes-Benz M278 Engine Overhaul Kit
  8. Mercedes-Benz M278 Engine Overhaul Kit

M278 Engine Pistons Overhaul Rebuild Kit For Benz W166 S500 W221 4.6L 4.7L V8 (For: Mercedes-Benz)

The Mercedes-Benz M278 engine overhaul kit is specifically designed for the 4.7L/4.6L (4663cc) V8 twin-turbocharged engine. A typical kit generally includes pistons, piston rings, connecting rods, bearings, and timing chain components. It features a standard cylinder bore of 92.9 mm and a piston pin diameter of 24 mm, and is suitable for model years ranging from 2011 to 2019.

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Description

Engine Overhaul: Key Specifications and Components
Engine Models: M278.920, M278.922, M278.928, M278.929, M278.932 (4.6L/4.7L V8)
Cylinder Bore Diameter: 92.9 mm (3.66 inches)
Piston Pin Diameter: 24 mm
Piston Ring Thickness: Top Ring – 1.2 mm / Second Ring – 1.5 mm / Oil Ring – 2.0 mm
Connecting Rod Length: 205 mm
Included Components: Pistons and Piston Rings (x8), Connecting Rods (x8), Main Bearings and Connecting Rod Bearings, Full Gasket Set, Timing Chain Kit (including chain, sprockets, tensioners, and guide rails).

Compatibility Notes
Applicable Models: E550, CLS550, GL550, GLS550, S550, SL550 (Model Years 2011–2019).

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