The 2016 Mercedes C63 AMG Coupe has been spied for the first time.

Caught undergoing testing near the Nürburgring, the high-performance model is distinguished by a more aggressive front fascia new front fascia with mesh grille inserts.  Additional changes are limited but we can see high-performance brakes and a new rear bumper with a four tailpipe sports exhaust system.

Like the C63 AMG sedan, the coupe will be powered by a twin-turbo 4.0-liter V8 engine that develops 469 bhp (349 kW) and 479 lb-ft (648 Nm) of torque.  It will be connected to a seven-speed AMG SPEEDSHIFT MCT transmission which should enable the model to accelerate from 0-60 mph in approximately four seconds before hitting an electronically-limited top speed of 155 mph (249 km/h).

We can also expect a high-performance S variant with an upgraded engine that produces 503 bhp (375 kW) and 516 lb-ft (698 Nm) of torque. It should enable the model to run from 0-60 mph in roughly 3.9 seconds before hitting an electronically-limited top speed of 180 mph (289 km/h).

Gallery: 2016 Mercedes C63 AMG Coupe spied for the first time

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