Video: BMW 740d versus Mercedes-Benz S400 Acceleration Test
The new Mercedes-Benz S400d 4Matic now comes with a straight six diesel engine and it's now going toe to toe with the BMW 740d xDrive.
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The new Mercedes-Benz S400d 4Matic now comes with a straight six diesel engine and it's now going toe to toe with the BMW 740d xDrive.
