As a late addition to the 2007 lineup, the ninth-generation S-class adds 4MATIC all-wheel drive to the option list. Although past S-classes have also had this choice, the system has been completely overhauled for the latest S550 (within the S-class range 4MATIC is only available on S550s).
Perhaps the best news is that the new system, developed 100-percent in-house by Mercedes, is now teamed with the company’s excellent seven-speed automatic. For now, the new all-wheel drive is exclusive to the S550—the E-class 4MATIC models keep the old version with the five-speed tranny, and while the all-wheel-drive SUVs have the seven-speed, it’s a different setup. However, a version of this latest all-wheel drive will be available shortly on the redesigned 2008 C-class.
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