Potential 2026 Mercedes-AMG GT 63 S spied for first time

Mercedes-Benz AMG is working on a new member of its GT Coupe family that’s expected to sit somewhere between the current GT 63 grade and an upcoming plug-in hybrid range-topper that will likely be badged the GT 63 S E Performance. A prototype has been spotted and the lack of camouflage gear suggests a debut might happen later this year. The lack…