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2018 Mercedes Benz S class Coupe and Cabriolet

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2018 Mercedes Benz S class Coupe and Cabriolet

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Old 10 September 2017, 02:27 AM
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Default 2018 Mercedes Benz S class Coupe and Cabriolet

2018 Mercedes-Benz S-class Coupe and Cabriolet


To some, there’s no more desirable chewer of autobahn kilometers than a large two-door Mercedes-Benz. Less ostentatious than more expensive offerings

from Rolls-Royce and Bentley but still more practical and cushy than a Porsche 911, the S-class coupe and cabriolet suggest, “Hey pal, I could buy and sell you, but I’d rather

not wave that in your face quite so directly.” While changes to the range-topping V-12 S65 models are primarily aesthetic and electronic, the V-8 cars get a heart transplant,

with the old twin-turbocharged 4.7- and 5.5-liter engines giving way to versions of Benz’s excellent twin-turbo 4.0-liter V-8.

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Two Flavors of Four-Liter Fabulousness

Given the two-doors’ elevated status in the S-class lineup, we won’t see a six-cylinder S450 coupe or cabriolet; these Benzes are strictly eight- and twelve-pot propositions.

The lowest automobile on the two-portal totem pole is the S560 coupe, which, based on our past experience with S coupes and our recent drive in the repowered four-doors,

is a pretty serious proposition all on its own. Mercedes claims that the 4.0-liter is good for an increase in efficiency of up to 8 percent compared with the old 4.7.

The new engine boasts 463 horsepower and 516 lb-ft of torque, same as in the revised sedan.

Step up to the S63, however, and things get patently maniacal. The AMG-tweaked version of the 4.0-liter makes 603 horsepower in this application. That’s a 26-hp

bump over the previous car and just 18 ponies shy of the 12-cylinder powerplant in the S65. The V-12’s output remains unchanged, at 621 horses and 738 lb-ft.


AMG claims the new V-8 will propel the S63 to 60 mph in 3.4 seconds, which is 0.3 second quicker than the last 5.5-liter coupe and cabriolet we tested.

The previous pair of S65 two-doors we ran through our battery of evaluations both hit 60 in 4.1 seconds, and we can’t imagine that number will change. At this point, the only rationale for the 12 is that it’s a 12. But for a certain segment of the market, a 12-cylinder engine needs no justification. We’re pleased that it still exists.
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