MERCEDES-BENZ (R170) SLK 320
Lowest Price: £600 • Median Price: £7,924 • Highest Price: £145,755 • Sell-Through Rate: 88%
Image Source: Bring A Trailer
£600
LOWEST PRICE:
SINCE 2020
£7,924
MEDIAN PRICE:
SINCE 2020
HIGHEST PRICE:
£145,755
SINCE 2020
NUMBER OF SOLD CARS:
142
ALL TIME
SELL THROUGH RATE:
88%
ALL TIME
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THE PRICE TREND
See how the price for this model has varied since records began
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 (R170) SLK 320 remain on UK roads
CARS
LICENSED
1,656
CARS
SORN
856
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THE SALES
See recent matching listings to your search
Brightwells
£1,680
29th Oct 2025
2003 Mercedes-Benz SLK 320 Auto
Bring A Trailer
£10,333
15th Aug 2025
2004 Mercedes-Benz SLK320 Special Edition 6-Speed
Mecum
£8,385
10th Jul 2025
2004 Mercedes-Benz SLK320 Convertible
Bring A Trailer
£8,768
25th Sep 2025
2003 Mercedes-Benz SLK320
Dore & Rees
£4,592
2nd Aug 2025
2001 Mercedes-Benz SLK320
Bring A Trailer
£9,147
3rd Jul 2025
2004 Mercedes-Benz SLK320
Bring A Trailer
£3,583
15th Sep 2025
2003 Mercedes-Benz SLK320
Bring A Trailer
£4,212
1st Aug 2025
2004 Mercedes-Benz SLK320
Bring A Trailer
Not Sold
2nd Jul 2025
300SL-Style 2001 Mercedes-Benz SLK320 6-Speed
Iconic Auctioneers
£4,200
11th Sep 2025
2003 Mercedes-Benz SLK 320
Mathewsons
£3,500
1st Aug 2025
2002 MERCEDES SLK 320
Bring A Trailer
£6,431
26th Jun 2025
2001 Mercedes-Benz SLK320
THE FAQs
The frequently asked questions about this model
Tell Me More
The Mercedes-Benz SLK 320 (R170) arrived in 2000, offering a V6 engine. It followed the initial SLK 230 Kompressor.
It provided a more powerful option in the SLK range. The R170 SLK was succeeded by the R171 in 2004.
Did you know the SLK's folding hardtop was inspired by a Mitsubishi concept car? Mercedes adapted the idea, making it a key feature.
How much is a Mercedes-Benz (R170) SLK 320 worth?
In average condition, a Mercedes-Benz (R170) SLK 320 is worth £7,948.
What is the most expensive Mercedes-Benz (R170) SLK 320 to sell in history publicly?
The most expensive Mercedes-Benz (R170) SLK 320 to sell in history was sold for £145,755.
What is the cheapest Mercedes-Benz (R170) SLK 320 to sell in history publicly?
The cheapest Mercedes-Benz (R170) SLK 320 to sell in history was sold for £600.
When was the Mercedes-Benz (R170) SLK 320 produced?
The Mercedes-Benz (R170) SLK 320 was produced between 1999 and 2004.