Mercedes-Benz SL R231: 2026 Edition History ? Technology ? Buyer's Guide A comprehensive guide to the aluminum-era SL
Introduced in 2012, the Mercedes-Benz SL R231 marked a major turning point in the history of the SL. Its predominantly aluminum bodyshell reduced weight substantially while combining impressive structural rigidity with the comfort, refinement and effortless performance expected of a Mercedes-Benz roadster.
A particular strength of this updated 2026 edition is its detailed buyer's guide. The R231 is a highly capable and desirable modern classic, but its advanced technology makes careful inspection essential. The guide explains important areas to examine before purchase, including the vario-roof, roof hydraulics, drainage system, ABC suspension, electronics and other potential problem areas.
The book also explores the development, technology and complete model history of the sixth-generation SL. It covers:
• the development of the R231 and its predominantly aluminum body structure • the complete model range from SL350, SL400 and SL450 to SL500/SL550, SL63 AMG and SL65 AMG • engines, transmissions and the principal technical changes introduced during production • the vario-roof, roof hydraulics and drainage system • Active Body Control, MAGIC VISION CONTROL, Frontbass and other important technical features • model updates, equipment changes and styling revisions • the development of the SL63 AMG and SL65 AMG • selected tuners and special versions • a detailed buyer's guide covering important inspection points, typical weaknesses and areas where neglected maintenance can become expensive
Whether you are considering the purchase of an R231, already own one, or simply appreciate modern Mercedes-Benz roadsters, this book offers a practical and detailed guide to one of the most technically ambitious SL generations ever built.
Bernd S. Koehling has been involved with classic Mercedes-Benz automobiles since the 1970s and is the author of more than 20 books on the marque.
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With over 25 books and e-books written about Mercedes-Benz cars, Bernd S. Koehling has proven to be an authority on the brand. Those books cover cars from the 1947 170V to the 2012 SL R231.
Bernd has been involved in the Mercedes scene since the early 1970s, when he restored his first 170 Cabrio B. Since then he has not only owned many classic Mercedes including a 220S, 300d Adenauer, 200D, 250SE, 280SE coupe 3.5, 300SEL, 350SL, 280E, 450SE, SLK230, he has also gained a wealth of knowledge and experience, which he shares with his readers in his books. Bernd has always considered Mercedes one of his favorite car manufacturers and has driven almost all Mercedes models built since the 1950s. His other weakness revolves around British cars, here especially Jaguar and Alvis.
If you would like to know more about Bernd's books or want to read his blog with selected Mercedes stories, why don't you visit his website: benz-books.com