United Kingdom Valuation · Updated Aug 2026
Mercedes-Benz SL (R129) Valuation
The current market value of a Mercedes-Benz SL (R129) in the United Kingdom is £13,723, based on 12 verified auction sales in the last 12 months. That’s a +23.4% move year-on-year.
Lowest price
£3,600
Since 2020
Median price
£13,760
Since 2020 · n=43
Highest price
£340,000
Since 2020
Sold cars
43
All time
Sell-through
100%
Of 43 lots
Marque Index · United Kingdom median
£13,723
+23.4% year-on-year
Sales 12mo
12
Active listings
0
Lowest sale
£3,600
Highest sale
£340,000
Value YOUR SL
The headline number is the market median. Yours is different. Add your mileage, transmission, and condition — we’ll cross-reference live listings and recent sales for a honest range tailored to your car.
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- Reasoning paragraph + driver bullets
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Value by year
Model years with enough verified sales for their own valuation page.
Recent SL sales
8 most recent · United Kingdom
- Source
£6,250
1993 Mercedes-Benz 300SL
25 Jun 2026 · the-market
- Source
£35,000
1997 Mercedes-Benz (R129) SL 500 - 11,180 Miles
18 Jun 2026 · collecting-cars · 11,180 mi
- Source
£31,250
1998 Mercedes-Benz (R129) SL600 - LHD
15 May 2026 · collecting-cars
- Source
£7,400
2000 Mercedes-Benz (R129) SL320
9 Dec 2025 · collecting-cars
- Source
£8,240
2001 Mercedes-Benz SL 320
3 Dec 2025 · the-market
- Source
£9,000
1995 Mercedes-Benz (R129) SL 320 - 'Mille Miglia'
20 Nov 2025 · collecting-cars
- Source
£6,890
1995 Mercedes-Benz SL 320
12 Nov 2025 · the-market
- Source
£15,250
1998 Mercedes-Benz (R129) SL 500
24 Oct 2025 · collecting-cars
Other Mercedes-Benz valuations
Adjacent models and generations in our index.
Track SL prices over time.
The Marque Monthly. One email, first of the month. Top movers + biggest auction results. Free.
Indicative only — not investment advice. Past performance is not a reliable indicator of future value.