What is the rarest R129?
The 500 SL 6. AMG remains one of the rarest and most coveted variants of the R129 chassis, with production numbers estimated at fewer than 50 units. Absolutely. As of 2025, investing in an R129 SL represents one of the most compelling risk-to-reward opportunities in the modern classic car market.
Is the R129 a future classic?
Is the R129 a future classic? In short – yes! In fact, the Mercedes R129 SL is a current classic. And it was a classic the day it was born in 1989. Which Mercedes-Benz SL-Class years are the best? Among older but still affordable SLs, the long-lived R107 (1971 to 1989) and sophisticated R129 (1990 to 2001) models are good bets for a fun and hassle-free ownership experience.The R129 was known for its sophisticated design, advanced technology, and strong performance, and it remains one of the most iconic Mercedes-Benz models. The SL 500 version, introduced in 1992, is powered by a 5. V8 engine (M119), which produces 322 horsepower and 354 lb-ft of torque.