The Mercedes-Benz M273 engine was a 90-degree V8 petrol engine that was first introduced in 2005 as an evolution of the M113 engine. The M273 engine had an aluminium engine block with Silitec (Al-Si alloy) cast cylinder liners, five main bearings, an aluminium crankcase with reinforced bearing caps, a forged steel crankshaft, fracture-split 70MnVS4 forged […]
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