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.
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.
