- Key facts about the make and model: * 2016 Mercedes-Benz SL400, a variant of the SL-Class (R231 model series) * Said to be a highly original example with only 2 owners and 28,051 miles * Rear-wheel drive (RWD) with a 3.0L twin-turbo V6 engine (M276) producing 329 horsepower and 354 lb-ft of torque * Paired with a 7-speed automatic transmission - Details about the mechanical aspects of the car: * Described as having a clean engine bay with a well-organized layout * Features a fully independent suspension with adaptive damping and large ventilated disc brakes at all four wheels * Said to have a smooth-shifting transmission and a stainless dual exhaust system - Details about the interior, exterior, and options of the car: * Exterior: Black with a sleek, timeless design and a retractable panoramic roof * Said to have optional 19-inch multi-spoke wheels and a sporty stance * Interior: Rich Bengal Red leather with power-adjustable seats, heating, ventilation, and multi-contour functions with massage * Equipped with the Premium Package and Driver Assistance Package, featuring amenities like adaptive cruise control, lane keeping assist, and blind spot monitoring * Additional features: navigation, dual-zone climate control, Parktronic, electric trunk closer, backup camera, and Airscarf - Details about the reported current state of this car: * Described as having a clean Carfax and maintenance done ahead of schedule at Mercedes of Beverly Hills * Said to have only 2 owners and be from Beverly Hills, with the seller claiming it lived its life there * Reported to have some small stone chips on the exterior, consistent with normal use * Currently located at Volo Museum Auto Sales in Volo, IL, and displayed in a museum setting