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2011 Mercedes-Benz S-Class

  • Mercedes-Benz S 400 Hybrid

    We talk quite a lot about how global regulations aimed at improving fuel efficiency and reducing carbon emissions will lead to much smaller, more powerful engines. Latest case in point? Would you believe a four-cylinder Mercedes-Benz S-Class? Just to be clear, this is the big Benz. The one beloved of burgermeisters for half a century, the symbol that you've arrived, that you can afford--and deserve--the biggest Mercedes-Benz sedan they make. Four cylinders? Really? Yup. The 2011 Mercedes-Benz S 250 CDI uses a 204-horsepower 2.2-liter turbocharged four-cylinder diesel engine. It's the first...

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