MERCEDES-BENZ (R129) SL 320 DESIGNO
Lowest Price: £7,800 • Median Price: £15,594 • Highest Price: £23,320 • Sell-Through Rate: 100%
Image Source: H&H Auctioneers
£7,800
LOWEST PRICE:
SINCE 2020
£15,594
MEDIAN PRICE:
SINCE 2020
HIGHEST PRICE:
£23,320
SINCE 2020
NUMBER OF SOLD CARS:
13
ALL TIME
SELL THROUGH RATE:
100%
ALL TIME
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THE PRICE TREND
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A dot is a sale. The blue line is the trend line. The sliders adjust the axis
HOW MANY REMAIN
See how many Mercedes-Benz (R129) SL 320 Designo remain on UK roads
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THE SALES
See recent matching listings to your search
SWVA
£19,040
31st Jul 2025
MERCEDES-BENZ SL320 'SL EDITION' DESIGNO
Trade Classics
£23,320
28th Apr 2022
2000 Mercedes-Benz SL320 SL Edition Designo (R129)
Historics
£13,018
23rd Nov 2019
2000 Mercedes-Benz SL320 Roadster (Designo Edition)
Collecting Cars
£16,187
30th Oct 2024
2001 Mercedes-Benz (R129) SL320 – Designo Heritage Edition – 33,820 Mi...
Classic Car Auctions
£13,320
12th Dec 2020
2001 Mercedes-Benz SL320 (R129) Designo Almandine
Classic Car Auctions
£15,540
4th Oct 2019
2001 Mercedes-Benz SL320 (R129) Designo Almandine
Collecting Cars
£7,800
15th Jul 2024
2001 Mercedes-Benz (R129) SL320 – Designo Heritage Edition
Bonhams Cars Online
£15,000
5th Oct 2020
1999 Mercedes-Benz SL320 Designo
Historics
£12,000
21st Sep 2019
2000 Mercedes-Benz SL 320 Roadster Designo Edition
Collecting Cars
£17,698
19th Apr 2023
2001 MERCEDES-BENZ (R129) SL 320 - DESIGNO EDITION
H&H Auctioneers
£9,562
27th May 2020
1998 Mercedes-Benz SL 320 'Designo' 1 of only 50 produced for the UK m...
Bonhams Cars Online
£16,250
5th Jun 2019
1999 Mercedes-Benz SL320 Designo
THE FAQs
The frequently asked questions about this model
Tell Me More
The Mercedes-Benz R129 SL, including the SL 320 Designo, was produced from 1989–2001. It replaced the R107. The R129 featured modern technology, like controlled damping.
The Designo models offered unique paint and interior trim.
Its successor was the R230.
Did you know that Mercedes tested the R129's rollover protection by dropping the car, roof-first, onto concrete? This was to ensure passenger safety.
How much is a Mercedes-Benz (R129) SL 320 Designo worth?
In average condition, a Mercedes-Benz (R129) SL 320 Designo is worth £15,594.
What is the most expensive Mercedes-Benz (R129) SL 320 Designo to sell in history publicly?
The most expensive Mercedes-Benz (R129) SL 320 Designo to sell in history was sold for £23,320.
What is the cheapest Mercedes-Benz (R129) SL 320 Designo to sell in history publicly?
The cheapest Mercedes-Benz (R129) SL 320 Designo to sell in history was sold for £7,800.
When was the Mercedes-Benz (R129) SL 320 Designo produced?
The Mercedes-Benz (R129) SL 320 Designo was produced between 1998 and 2001.