MERCEDES-BENZ SL 3.7 SL350 Convertible 2dr Petrol Automatic (281 g/km, 245 bhp)-Superb Low Mileage Example Finished In Topaz Blue Metallic Finish-Heated Grey Leather Upholstery-Only 2 Former Keepers-Last Keeper Since May 2021. HR Sports & Classics is a family-owned business in Warrington that has been serving customers for over 45 years. We pride ourselves on our exceptional customer service, and our team is passionate about helping you find the perfect car to fit your needs.