Both are aiming for the meat of the market occupied by the Bentley Continental GT : a car so successful and profitable that it almost single-handedly relaunched the $100,000 to $150,000 market for two-door, four-seat dream coupes.
While the Conti GT V-8 S is now far more nimble but just as rapid as before, the styling of the Bentley is looking quite tired and unappealing for the sharpest and most fashion-forward shoppers.
In the ultra-chic world of luxury cars, yachts and homes on three continents - old styling and previous ownership of the Bentley means these buyers are ready to move forward.
These two swish shapes are both absolutely fresh designs that introduce advanced styling concepts for both the RR and Merc brands. If well received, the cues seen here will have a strong influence on the next-generation vehicle designs from these storied luxury marques.
As sedan-based two-door coupes, they both essentially start at the same place as the Bentley did when remodeling the VW Phaeton.
Updated 10/24/2013: This article now features the latest photography from Rolls-Royce and Mercedes-Benz
Click past the jump for a side-by-side battle of these two exotics from all angles.