This 1957 Mercedes-Benz 300SL is one of 1,400 Gullwing coupes built during a three-year production run and was shipped from the factory on February 22, 1957.The car, chassis 040.6500313, was delivered new on March 7, 1957.A body-off restoration was subsequently carried out between 2014 and 2016.Work included included a color change to the current blue grey and a rebuild of the numbers-matching 3.0L inline-six.The numbers-matching four-speed transmission also remains fitted along with the original 3.64:1 rear differential.Additional features include Bosch fuel injection, blue upholstery, plaid cloth seat inserts, and a Becker Mexico radio.This example was originally finished in Silbergrau (180) and was refinished in period-correct Blaugrau (DB166) after being stripped to bare metal during the restoration performed by Thornley Kelham.The three-year project included removing the body from the tube frame, which was also stripped and refinished.Previous modifications to the fascia were corrected, and bodywork was carried out as needed.Both the front and rear bumpers are absent of guards and were installed during the work carried out by Coachwerks in 2020.Painted 15” factory wheels are coordinated with the body color and wear matching covers with polished Mercedes stars.Michelin XWX tires measure 205/70 all around, and a matching tire is mounted on the spare wheel.The hydraulic braking system incorporates an ATE booster and aluminum-finned 10.25” drums at each corner, with duplex actuation at the front wheels.The cabin was reupholstered during the restoration, recreating the trim color scheme indicated on the factory build sheet.Blue-grey plaid cloth covers the seat cushions and is complemented by blue leather over the bolsters, seat backs, door panels, sills, and center tunnel in lieu of the factory MB-Tex.Blue loop carpeting lines the floors and rear luggage shelf.A Becker Mexico radio, which would have been a $264 option in 1957, is mounted under the dash.The two-spoke, ivory-colored steering wheel can be pivoted downward at its hub to facilitate entry and exit for the driver.The aluminum dash has been painted to match the exterior body color, with upper and lower surfaces upholstered in blue.VDO instrumentation includes a 270-km/h speedometer and 7k-rpm tachometer, as well as a clock and gauges for fuel level, oil pressure, coolant temperature, and water temperature.The speedometer is marked with the original gear ratio and incorporates a five-digit odometer showing 91k kilometers (~56,500 miles).