B-e-nz 272 engine S280 S300 R300 ML300 GLK300 S350 ML350 R350 Original factory used engine

Key Parameters

• Engine Code: M272 (3.5L V6).

• Displacement: 3,498 cc.

• Power Output:

  • Standard: 268–315 HP (varies by tune; e.g., E350: 268 HP; SLK350: 305 HP).

  • Torque: 258–365 Nm (258–350 lb-ft) @ 2,400–5,000 RPM.

• Compression Ratio: 10.7:1.

• Fuel System: Sequential multiport fuel injection.

• Valvetrain: DOHC with variable valve timing (VVT) on intake and exhaust.

• Block/Head: Aluminum alloy with silicone-coated cylinder walls.

• Timing System: Chain-driven (non-interference design).

• Oil Capacity: ~7.5 liters (with filter).

• Emissions: Euro 4 compliant.

• Applications:

  • Mercedes-Benz: E350 (W211), S350 (W221), ML350 (W164), CLK350 (W209), R350 (W251), etc.

  • Chrysler: 300C, Jeep Grand Cherokee (2005–2010).

• Production Years: 2004–2011.

Selling Points

Proven Reliability: The M272 is renowned for its smooth performance and longevity when properly maintained.

Later models (post-2008) resolved early balance shaft issues.

Luxury Performance: Designed for Mercedes’ premium vehicles, delivering refined power and torque for a

premium driving experience.

Wide Compatibility: Fits multiple Mercedes-Benz models (E-Class, S-Class, ML, GL, R-Class, etc.) and Chrysler

crossovers (e.g., Jeep Grand Cherokee, Chrysler 300C).

Advanced Technology: Features variable valve timing (VVT), aluminum block/heads, and electronic throttle

control for efficiency and responsiveness.

Strong Aftermarket Support: Abundant availability of OEM and aftermarket parts for repairs or upgrades.

Fuel Efficiency: Optimized for a balance of power and fuel economy (up to ~20–24 MPG highway, depending

on application).

Durability: Robust construction with timing chain (not belt) for reduced maintenance intervals.