Most prototypes attempt to fly under the radar, but this Mercedes-AMG 4-Door is bound to draw attention thanks to its bright green paint job, camouflage, and black bodyside graphics.
Believed to be an early prototype for an upcoming facelift, the model appears to be a 63 variant and speculation suggests there’s an updated bumper hiding behind the disguise. However, that remains unclear as there isn’t much to see and the central intake appears similar, if not identical, to the one found on the current model.
The lighting units also carryover, but it’s important to note this is believed to be an early prototype so it’s not surprising that there isn’t much to see at this point. That being said, the front fender vents are camouflaged and this suggests they might be redesigned.
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While the rear end looks slightly different at first glance, the prototype has apparently been equipped with the AMG aerodynamic package which includes a fixed rear wing, an optimized diffuser, and a larger front splitter – among other things. However, assuming this is indeed a facelifted prototype, the production model will likely have a modified rear bumper and updated taillights.
Since it’s still early, not much is known about the facelifted variant at this point. That being said, the GT 4-Door offers an expansive lineup that starts with the entry-level 43 variant which has a turbocharged 3.0-liter six-cylinder engine developing 362 hp (270 kW / 367 PS) and 369 lb-ft (500 Nm) of torque. Customers can also opt for a GT 4-Door 53, which has an upgraded six-cylinder developing 429 hp (320 kW / 435 PS) and 383 lb-ft (520 Nm).
Mercedes also offers three 63 variants, including a plug-in hybrid model with a twin-turbo 4.0-liter V8, a rear-mounted electric motor, and a 6.1 kWh battery pack. This gives the car a combined output of 831 hp (620 kW / 843 PS) and this enables it to rocket from 0-62 mph (0-100 km/h) in 2.9 seconds.