In Brief:

  • A good example of the 24 valve 3 litre R129 SL
  • Finished in Nutria Brown Metallic over a Beige leather interior with a Black soft top
  • Owned by the current keeper for the last 6 years
  • Most recent service completed in February '26

Auctioneer's Notes:

A good, honest example of the desirable R129-generation 24-valve 300 SL, finished in distinctive Nutria Brown Metallic over a Beige leather interior with a Black soft top. Owned by the current keeper for the past six years, this SL presents as a usable modern classic that can be enjoyed as intended. The 24-valve variant is widely regarded as the sweet spot of the early R129 range.

Maintenance & Condition:

Presented in usable condition throughout, the car offers solid foundations for continued enjoyment or sympathetic improvement. In February 2026, the car benefitted from a full service along with a complete roof clean and seal treatment, at a cost of £580, ensuring the soft top remains weather-tight and well presented. While not concours, it represents an accessible entry into R129 ownership with the mechanical robustness these cars are known for.

History:

Unfortunately this example is not accompanied by its original bookpack or an extensive history file, the vehicle does come with a selection of MOT certificates and invoices, including documentation for the recent service and roof treatment. It has been in the hands of the current keeper for the last six years.

The Model:

Introduced in 1989, the R129 SL marked a significant leap forward for Mercedes-Benz. The 300 SL-24, produced between 1989 and 1993, features the celebrated 3.0-litre M104 24-valve inline-six engine producing 228 BHP and 272 Nm of torque. Often praised as one of the highest-revving and most characterful engines of its era, the M104 delivers smooth, eager performance with a factory-limited top speed of 149 mph. Technologically advanced for its time, the R129 featured an electronically operated soft top and an automatically deploying pop-up roll bar — innovations that reinforced Mercedes-Benz’s reputation for over-engineered safety and refinement.

Today, the R129 is firmly established as a modern classic, appreciated for its build quality, elegant Bruno Sacco design, and everyday usability.

Sale Insight:

Early 24-valve R129s are increasingly recognised as the enthusiast’s choice — offering classic Mercedes solidity with a more engaging engine than the later V6 cars. This example, finished in an attractive colour combination, represents an opportunity to acquire a usable modern classic.

Estimate:
£3,000 - £4,000

Key Facts


  • Lot 20

  • Thursday 30th April 26

  • MERCEDES-BENZ 300 SL-24 AUTO

  • 2960

  • 1992

  • 135,350 Miles

  • J968PBT

  • May 1992

  • November 2026


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