Excellent

2017 Mercedes-Benz AMG SL63 Roadster

Base price: $151,350.

As tested: $181,845.

Standard equipment: 5.5-liter twin-turbo V-8, seven-speed automatic gearbox, rear-drive, and features ranging from heated and ventilated power front seats with massage to a parking pilot and a retractable hardtop with sunroof.

Options: Stuff like electronic safety devices ($2,250), carbon fiber engine cover ($1,500), and

a Bang & Olufsen sound system ($5,400).

Fuel economy: 16 city and 25 highway.

Engine performance: Terrific.

Handling: Superb.

Styling: Much improved.

Ride comfort: Surprisingly decent.

Warranty: Four years/50,000 miles bumper to bumper.

The Ben key: four Bens, excellent; three Bens, good; two Bens, fair; one Ben, poor.

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