Mercedes recently unveiled the C-Class Estate and our spies have just snapped pictures of its high-performance counterpart undergoing testing on the Nürburgring.

Mercedes recently unveiled the C-Class Estate and our spies have just snapped pictures of its high-performance counterpart undergoing testing on the Nürburgring.

Still heavily disguised, the C63 AMG Estate will feature an aggressive front fascia with a single bar grille and larger air intakes. Moving further back, we can see aerodynamic side skirts and a new rear bumper with an integrated four-tailpipe exhaust system. Other notable highlights include five-spoke alloy wheels and a high-performance braking system.

Power will likely be provided by the company's new twin-turbo 4.0-liter V8 engine.  It produces 510 PS (375 kW) and 650 Nm (479 lb-ft) of torque in the AMG GT but it should be detuned to approximately 450 PS (331 kW) in the C63 AMG and C63 AMG Estate.

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2015 Mercedes C63 AMG Estate spied on the Nurburgring