2003 Mercedes-Benz SLK320 Market Value & Price History
The 2003 Mercedes-Benz SLK320 has a current market value of $14,840 as of Oct 9, 2026, based on 9 verified auction sales tracked by DriveIndex, with half of the verified USD sales since 2023 between $10,250 and $15,248. Based on US sales through Sep 30, 2026. 4 have sold in the past 12 months. The median sale price is up 31.6% over the past 12 months versus one to three years ago.
Data: DriveIndex. 9 verified auction sales for the 2003 Mercedes-Benz SLK320, latest sale Sep 30, 2026. Value as of Oct 9, 2026. Methodology
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See the SLK320's Value Signal with Pro →2003 Mercedes-Benz SLK320 Price History
The median 2003 Mercedes-Benz SLK320 sold for $14,874 in 2026, against $14,250 in 2023. Each row is the median of the verified sales recorded in that calendar year, so it moves with the mix of mileages and options that came to market as well as with the market itself.
| Year | Median sale | Sales |
|---|---|---|
| 2026 | $14,874 | 4 |
| 2023 | $14,250 | 3 |
Years with fewer than three verified USD sales are omitted — a one-sale “median” is a single car, not a market.
Recent 2003 Mercedes-Benz SLK320 Auction Results
| Sold | Price | Mileage | Gearbox |
|---|---|---|---|
| Sep 30, 2026 | $14,500 | 31,000 mi | Manual |
| Aug 21, 2026 | $16,250 | 24,000 mi | Manual |
| Jul 10, 2026 | $15,248 | 45,900 mi | Automatic |
| Apr 17, 2026 | $10,250 | 31,000 mi | Automatic |
| Sep 25, 2025 | $11,301 | 26,000 mi | Automatic |
| Oct 2, 2024 | $10,000 | 40,000 mi | Automatic |
| Oct 10, 2023 | $20,750 | 18,000 mi | Manual |
| Oct 3, 2023 | $14,250 | 10,000 mi | Manual |
| Aug 7, 2023 | $10,000 | 29,000 mi | Automatic |
Verified results from the world's leading collector-car auction houses and marketplaces.
All Mercedes-Benz SLK320 auction results →See the full picture on the 2003 Mercedes-Benz SLK320
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Mercedes-Benz SLK320 by Year
2003 Mercedes-Benz SLK320: Frequently Asked Questions
How much is a 2003 Mercedes-Benz SLK320 worth?
A 2003 Mercedes-Benz SLK320 is worth approximately $14,840 as of Oct 9, 2026, based on 9 verified auction sales tracked by DriveIndex. Based on US sales through Sep 30, 2026. Half of all verified sales fall between $10,250 and $15,248; the full verified range is $10,000 to $20,750. Condition, mileage and options move an individual car within that band.
How many 2003 Mercedes-Benz SLK320 sell per year?
4 have sold at auction in the past 12 months. DriveIndex has tracked 9 2003 Mercedes-Benz SLK320 sales in total.
Are 2003 Mercedes-Benz SLK320 sale prices higher or lower than a year ago?
The median 2003 Mercedes-Benz SLK320 sale price is up 31.6% over the past 12 months versus one to three years ago, based on verified auction sales. That figure tracks the median of what actually sold, so it moves with the mix of mileages and options that came to market as well as with the market itself. The full Value Signal classification (appreciating, stable, bottomed, or depreciating) and its 1–5 year projection are part of DriveIndex Pro.
Where can I buy a 2003 Mercedes-Benz SLK320?
DriveIndex tracks for-sale listings and auction results for the 2003 Mercedes-Benz SLK320 from the world's leading collector-car auction houses and marketplaces.
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