Mercedes-Benz · 1957
300 SL Roadster (W198)
Manual · RWD · Germany
AutoIndex value · good UK car
£900,000
Half of the 12 sales The Classic Valuer recorded in the last 12 months were between £880,000 and £1.2m.
Checked against recent sales on 4 November 2026. How we value cars
Estimated price by condition
Project
£540,000
Restoration candidate
Driver
£900,000
Good usable example
Concours
£1.35m
Show standard
Indicative condition bands · not a valuation of a particular car
Price check
Looking at a 300 SL Roadster (W198) for sale? Is it a good price?
At auction
Results we have recorded from the auction houses’ published results
1963 Mercedes-Benz 300 SL Roadster
RM Sotheby's, The London Auction 2026, lot 152 · 31 October 2026 · estimate £1,100,000–£1,300,000
£1,045,625
What the sale says about values · How results feed our values
Buyer’s notes
About the Mercedes-Benz 300 SL Roadster (W198)
The 300 SL Roadster followed the Gullwing coupé in 1957 and was built until 1963; 1,858 were made. Disc brakes replaced the drums all round in 1961.
What moves the price
- Matching numbers: chassis, body, engine and gearbox, confirmed by the factory data cards.
- Late specification: disc-brake cars, and the hardtop if present.
- Provenance and the quality of any restoration.
Before you buy, check
- The numbers against the factory data card and the Mercedes-Benz Classic records.
- The history file: continuity of ownership and invoices.
- Corrosion in the sills, floors and around the spaceframe.
Facts checked against: Wikipedia · rmsothebys.com
Vehicle data
Specifications
From 1957
Performance
Production
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Mercedes-Benz 300 SL Roadster (W198): value questions answered
- How much is a Mercedes-Benz 300 SL Roadster (W198) worth?
- A good, usable UK example of the Mercedes-Benz 300 SL Roadster (W198) is worth around £900,000 on the AutoIndex index. A project car that needs restoration is nearer £540,000, and a concours-quality example around £1.35m. Condition moves the price more than anything else.
- What makes one 300 SL Roadster (W198) worth more than another?
- Service history and paperwork — complete, stamped, explained
- Mileage against the norm for the model
- Originality — matching numbers, original paint and trim
- Specification — gearbox, colour, factory options
- UK-supplied versus imported
- Is the 300 SL Roadster (W198) I'm looking at fairly priced?
- Enter its asking price and condition in the price check above. It compares the price with the index for that condition and tells you what to ask the seller about.
- How many 300 SL Roadster (W198) cars were built?
- Around 1,858 were built, by our production records.
Embed this valueFor club pages, forum posts and listings: a live value card that links back here.+

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