The twin-turbocharged 6.0-liter V12 was factory rated at 621 horsepower and 738 lb-ft of torque, which is sent to the rear wheels through an AMG Speedshift Plus 7G-Tronic seven-speed automatic transmission with paddle shifters.The cabin features heated, ventilated, and massaging multicontour front seats upholstered in Porcelain and Yacht Blue quilted Nappa leather complemented by Magnolia Nut Brown Flowing Lines trim on the dashboard and door panels. Model-exclusive “1 of 300” lettering is located on the center console. Interior amenities include heated front center console and door armrests, heated rear seats, an Airscarf neck-warming system, a head-up display, Night View Assist Plus, a surround view system, Keyless Go, dual-zone climate control, Distronic Plus adaptive cruise control, COMAND with navigation, and a Burmeister sound system.The heated leather-wrapped steering wheel features Maybach badging and frames a configurable 12.3″ digital instrument cluster with an analog-style 160-mph speedometer and 8k-rpm tachometer.The digital odometer indicates 6k miles.