M272 974 Engine Assembly for Mercedes-Benz 3.5L

Engine Assembly For 2002-2016 Mercedes-Benz C300 S400 M272 974 2.5L 3.0L 3.5L

The Mercedes-Benz M272 engine is a 90-degree V6 engine featuring an aluminum block and cylinder heads, equipped with dual overhead camshafts (DOHC—four valves per cylinder) and a continuously variable valve timing system for both the intake and exhaust. Introduced in 2004, the common 3.5-liter (E35) variant of this engine series produces between 268 and 311 horsepower and 258 to 266 pound-feet of torque; to effectively suppress vibrations, the engine incorporates a magnesium alloy intake manifold and a balance shaft design.

Description

Key Technical Specifications (M272 E35 — 3.5L Base Version)
Displacement: 3.5L (3498 cc)
Bore × Stroke: 92.6 mm × 86 mm
Max. Power: 268 hp (200 kW) at 6000 rpm
Max. Torque: 350 Nm (258 lb-ft) at 2500–5000 rpm
Compression Ratio: 10.7:1
Fuel Injection: Port Injection (except for CGI models)

Main Model Variants
M272 E30 (3.0L): 228 hp (170 kW) at 6000 rpm, 300 Nm (221 lb-ft) of torque
M272 E35 (3.5L): 268 hp (200 kW) at 6000 rpm, 350 Nm (258 lb-ft) of torque
M272 E35 CGI (3.5L): 288 hp (215 kW), 365 Nm (269 lb-ft) of torque (Stratified-Charged Gasoline Injection technology)
M272.968 (High-Output Version): 311 hp (232 kW) at 6500 rpm, 360 Nm (266 lb-ft) of torque