Best Mercedes-Benz SLK320 Year to Buy
There is no single best Mercedes-Benz SLK320 year: the right one depends on your budget and what you want from the car. Across 58 verified sales, the 2003 is the most affordable at $10,345. The 2001 trades most often (26 verified sales).
Data: DriveIndex. 4 model years with at least 10 verified sales each, latest sale Sep 30, 2026. Methodology
Mercedes-Benz SLK320 Value by Model Year
| Year | Value | Vs. original MSRP | Verified sales | For sale |
|---|---|---|---|---|
| 2004 SLK320 | $13,031No sale since Aug 2025 | — | 10 | — |
| 2003 SLK320 | $10,345 | — | 12 | — |
| 2002 SLK320 | $11,242No sale since Jun 2025 | — | 10 | — |
| 2001 SLK320 | $10,877 | — | 26 | 2 |
Value is DriveIndex's market value for each year, from verified sales. “Vs. original MSRP” compares it with the sticker price when new, not adjusted for inflation: 100% means it is worth exactly what it cost. Years with fewer than 10 verified sales are listed but not ranked.
Which SLK320 year is appreciating?
The table shows what each year is worth. Pro adds the direction: the live Value Signal for every year, how confident it is, a 1–5 year projection, and every sold price behind it. Collector adds the best months to buy and an estimated market-bottom date.
Or see the best months to buy with Collector ($39.99/month), or start with a free account.
Best Mercedes-Benz SLK320 Year: Frequently Asked Questions
What is the best Mercedes-Benz SLK320 year to buy?
There is no single best Mercedes-Benz SLK320 year: the right one depends on your budget and what you want from the car. Across 58 verified sales, the 2003 is the most affordable at $10,345. The 2001 trades most often (26 verified sales). The table on this page lists every model year with its market value, its value against its original MSRP and how many have sold.
Which Mercedes-Benz SLK320 year is the cheapest?
The 2003 Mercedes-Benz SLK320 is the most affordable year with enough verified sales to compare, currently valued at $10,345. The most valuable is the 2004, at $13,031. No sale since Aug 15, 2025, so the 2004's value may not reflect today's market.
How much is a Mercedes-Benz SLK320 worth?
Depending on the model year, a Mercedes-Benz SLK320 is worth from $10,345 to $13,031 today, based on verified sales. Mileage, condition and options move any single car's price; each year's page shows its recent sales.
Which Mercedes-Benz SLK320 year is appreciating?
This page shows what each year is worth and how that compares with its original price. Whether each year is appreciating, stable or depreciating is DriveIndex's Value Signal, which Pro members see for every year along with a 1–5 year projection.