Mercedes Benz M272 Engine Parts Diagram Jun 2026

The M272 features a complex magnesium dual-stage intake manifold. It uses internal tumble flaps (swirl flaps) to optimize airflow velocities at different RPM ranges. Key Diagram Components:

| Displacement | Engine Code | Peak Power | Peak Torque | Notable Applications | | :--- | :--- | :--- | :--- | :--- | | 2.5L (2,496 cc) | M272 KE 25 | 204 hp (150 kW) | 181 lb·ft (245 N·m) | C230, SLK280 | | 3.0L (2,996 cc) | M272 KE 30 | 228 hp (170 kW) | 221 lb·ft (300 N·m) | C280, ML320 | | 3.5L (3,498 cc) | M272 KE 35 | 268 hp (200 kW) | 258 lb·ft (350 N·m) | C350, E350, ML350, SLK350 | | 3.5L (3,498 cc) | M272 DE 35 (CGI) | 292 hp (215 kW) | 269 lb·ft (365 N·m) | E350, CLS350 (Direct Injection) |

: Each cylinder features a single spark plug with an individual coil-on-plug ignition system. Intake and Emission Systems

The foundation of the engine is a lightweight with cast-in Al-Si alloy cylinder liners for durability and heat transfer. Inside, the rotating assembly consists of a one-piece cast crankshaft , forged steel connecting rods , and iron-coated aluminum pistons . This robust assembly is designed to withstand the stresses of high-performance driving.

The Ultimate Mercedes-Benz M272 Engine Parts Diagram Guide The Mercedes-Benz M272 V6 engine powered a massive lineup of vehicles from 2004 through 2013, including the C-Class, E-Class, S-Class, and ML-Class. While praised for its smooth power delivery, maintaining this engine requires a clear understanding of its complex components. Mercedes Benz M272 Engine Parts Diagram

Ensure a completely airtight seal against the cylinder head ports to prevent lean-running codes (e.g., P0171).

Located at the rear of the engine block near the flywheel. If this fails, the engine will crank but will not start. 6. Cooling & Lubrication System Parts

Forged steel with four main bearings and counterweights.

2720181382 - Genuine Mercedes Benz Oil Separator And Emissions Service Kit: For Your M272 Engine for Mercedes Benz The M272 features a complex magnesium dual-stage intake

The timing system synchronizes the crankshaft, camshafts, and balance shaft. Key Components:

: It features a one-piece forged steel crankshaft and a counter-rotating balance shaft designed to eliminate the inherent vibrations of a 90-degree V6. Common Maintenance & Failure Points

Internal flaps that optimize air turbulence.

Belt-driven aluminum pump mounted to the front of the engine block. Intake and Emission Systems The foundation of the

The camshaft adjusters are often shown as circular units with oil passages. On the M272, both intake and exhaust camshafts have variable adjustment (on most versions), making the diagram quite busy at the front of the engine.

Specially shaped to accommodate the 4-valve-per-cylinder configuration.

The M272 is famous for its system within the intake manifold.

Hydraulic tensioner located on the right side of the block.

Four sensors located on the front of the cylinder heads that monitor camshaft orientation.