The Introduction Of A V12-Powered SLRear-quarter shot of a black 1998 Mercedes-Benz SL 600 parked outside. It was dubbed the SL 600, it was produced in smaller numbers (likely due to the V12-sized asking price), and today it's a collector's dream, overshadowed only by AMG-badged variants. The R230 SL 600: Performance And Prestige Perfectly BalancedFront-quarter shot of a 2003 Mercedes-Benz SL 600 Historics AuctioneersWhereas the previous-gen SL 600 sported a naturally aspirated 6.0-liter V12, this R230-gen had to step things up a bit. For example, the SL 600 enjoys Active Body Control suspension, which is an electronically controlled hydro-pneumatic suspension. That's less than half what you'll pay for a Hyundai Venue, which is the cheapest new car on sale in the USA.