2007 Mercedes-Benz CLS 63 AMG

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One supercharger compressor

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6,208 cc 6.2 liters V 8 front engine with 102.2 mm bore, 94.6 mm stroke, 11.3 compression ratio, double overhead cam, variable valve timing/camshaft and four valves per cylinder

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Premium unleaded fuel 91

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Fuel economy EPA highway (mpg): 20 and EPA city (mpg): 13

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Multi-point injection fuel system

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21.1 gallon main premium unleaded fuel tank

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Power: 378 kW , 507 HP SAE @ 6,800 rpm; 465 ft lb , 630 Nm @ 5,200 rpm