Sold my Gen1 AMGC63. With minor mods it was a freight train. Needed an SUV and picked up an Audi SQ5, lots of fun but not a screamer. Just bought a 2020 GLC63 30 days before MBZ announced suspension of the 4L turbo motor in the US for everything but S/SL class. This has the grunt. A stage one Renntech tune is in the works which should get it closer to 600hp. All the electronic gizmos take some time to learn.