Spied: 2017 Mercedes-Benz C-Class Cabriolet

The C Cabrio will bow at the Geneva show.

A spy video shot in Germany has prematurely revealed the first-ever Mercedes-Benz C-Class Cabriolet. Mercedes' smallest ragtop is scheduled to make its public debut in a little over a week at the Geneva Auto Show.

The Cabriolet is nearly identical to the 2017 C-Class Coupe that bowed in Frankfurt last September from the rocker panels up to the belt line. Beyond that, it gains a cloth soft top that quickly opens or closes at the push of a button. Much like the C-Class Coupe is a shrunken-down S-Class Coupe, the C-Class Cabriolet looks like a miniature version of the S-Class Cabriolet.

Mechanically, the Cabriolet will be almost identical to the coupe. It will launch with a 2.0-liter four-cylinder engine tuned to send 241 horsepower and 273 lb-ft. of torque to the rear wheels via a seven-speed automatic transmission. All-wheel drive will be offered at an extra cost, and a six-cylinder engine -- possibly a brand new straight-six sourced from the 2017 E-Class -- will be added to the lineup a few months into the production run.

A hot-rodded Cabriolet massaged by Mercedes-AMG will take on the topless BMW M4. Like its coupe and sedan siblings, it will be powered by a 4.0-liter twin-turbocharged V8 engine rated at 469 horsepower and 479 lb-ft. of torque in its most basic configuration. The C63 will be capable of hitting 60 mph from a stop in roughly four seconds before going on to an electronically-limited top speed of 155 mph.

The 2017 Mercedes C-Class Cabriolet will be introduced online in the next few days. It's scheduled to land in showrooms nationwide this fall as a 2017 model.

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