Can luxury and efficiency coexist? Mercedes’ 2010 S400 Hybrid claims it can. 29 MPG co-powered by a lithium-ion battery, this opulent classic is “the world’s most efficient gas-powered luxury vehicle.”
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Can luxury and efficiency coexist? Mercedes’ 2010 S400 Hybrid claims it can. 29 MPG co-powered by a lithium-ion battery, this opulent classic is “the world’s most efficient gas-powered luxury vehicle.”