List of the best SL500 Roadsters of all time, with photos when available. These top rated SL500 Roadsters were voted on in terms of reliability, performance and looks, as well as overall satisfaction with the vehicle. The vehicles below are listed from best to worst, so the SL500 Roadsters at the top of this list is considered by voters to be the greatest SL500 Roadster ever made. Is your favorite SL500 Roadster not as high as it should be? Then be sure to vote it up so it rises to the top. Click on the names of these popular SL500 Roadster vehicles to get more information about each model. Cars here include everything from 1999 Mercedes-Benz SL-Class SL500 Roadster to 2002 Mercedes-Benz SL-Class SL500 Roadster.This list answers the questions, "What is the best SL500 Roadster ever made?" and "What are the coolest SL500 Roadsters of all time?"