It wasn’t long since the Mercedes AMG GT 4-Door Coupe was introduced in 2018, but it looks like Stuttgart is all geared up to give the super sedan some minor updates. Spotted by our spies outside the automaker’s Nürburgring test center, this prototype that you see in photos is the GT 63 S and dons camo wraps on its front fascia.

Based on the images, it looks like the bulk of updates are only limited to the front, particularly on the lower bumper.
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