Alloy-block engine and disc brakes, delivered in 1964 after being completed on 7 February 1963 as the penultimate 300 SL Roadster built. Its factory history covers the conversion for North American delivery, while the car retains its original chassis, body, gearbox, rear axle, and kingpins. In 2024, Martin Cushway carried out a comprehensive service, fitted a new timing chain, and refurbished the rear axle as part of work exceeding £20,000.