2007 Mercedes-Benz S 550 4 Matic

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5,461 cc 5.5 liters V 8 front engine with 98 mm bore, 90.5 mm stroke, 10.7 compression ratio, double overhead cam, variable valve timing/camshaft and four valves per cylinder M273

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Premium unleaded fuel 91

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Fuel economy EPA highway (mpg): 22 and EPA city (mpg): 15

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Multi-point injection fuel system

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23.8 gallon main premium unleaded fuel tank

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Power: 285 kW , 382 HP SAE @ 6,000 rpm; 391 ft lb , 530 Nm @ 2,800 rpm