As the first Cars.com editor to view in person the Mercedes-Maybach S600 detailed in our earlier report, I can corroborate that it is indeed a larger S-Class with some extra badges on it.
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That might be diminishing it too much, because it also has finer interior materials and gizmos, as billed to go along with the new high-end name of Maybach. The backseat is indeed cavernous, which makes it both unique and of extremely limited appeal in the U.S. market. The requisite reclining seats are here; the primary difference being that there’s enough legroom for adults of decent heights to use the leg rests — unlike some limousine-style luxury sedans that include the ottomans regardless.