Live US dealer listings Median-priced benchmark Updated 2026-08-28
Market price · Used 2015 Mercedes-Benz SLK-Class 34 listings tracked

Used 2015 Mercedes-Benz SLK-Class Price in the US

A used 2015 Mercedes-Benz SLK-Class in the US typically lists for $14,736–$20,780, with a median asking price of $18,228 across 34 active US dealer listings (as of 2026-08-28). The cheapest one listed right now is $5,995, a 2015 Slk350 in Wrightstown, NJ — below 95% of the market, so expect an older model year, a base trim or high mileage.

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Cheapest 10 listed right now

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  1. 2015 Mercedes-Benz SLK-Class
    $5,995
    2015 Mercedes-Benz SLK-Class Slk350
    107,900 mi · Wrightstown, NJ · EZ Fixer Cars LLC
    View listing →
  2. $8,996
    2015 Mercedes-Benz SLK-Class Slk250
    75,934 mi · Fort Lauderdale, FL · Carlux
    View listing →
  3. 2015 Mercedes-Benz SLK-Class
    $9,975
    2015 Mercedes-Benz SLK-Class Slk250
    157,460 mi · Dallas, TX · Carland
    View listing →
  4. 2015 Mercedes-Benz SLK-Class
    $9,995
    2015 Mercedes-Benz SLK-Class Slk250
    116,902 mi · Daytona Beach, FL · Infinity Auto Gallery LLC
    View listing →
  5. 2015 Mercedes-Benz SLK-Class
    $11,395
    2015 Mercedes-Benz SLK-Class Slk250
    80,774 mi · Fort Lauderdale, FL · AMP Auto Collection LLC
    View listing →
  6. 2015 Mercedes-Benz SLK-Class
    $13,069
    2015 Mercedes-Benz SLK-Class Slk250
    103,085 mi · Waukee, IA · Deery Brothers Chrysler Dodge Jeep Ram of Waukee
    View listing →
  7. 2015 Mercedes-Benz SLK-Class
    $13,995
    2015 Mercedes-Benz SLK-Class Slk250
    112,919 mi · Valparaiso, IN · Valpo Motors
    View listing →
  8. 2015 Mercedes-Benz SLK-Class
    $13,995
    2015 Mercedes-Benz SLK-Class Slk250
    91,352 mi · Aurora, IL · Velazquez auto sales
    View listing →
  9. $14,650
    2015 Mercedes-Benz SLK-Class 250
    62,458 mi · Austin, TX · Awesome Cars
    View listing →
  10. $14,995
    2015 Mercedes-Benz SLK-Class Slk250
    83,303 mi · Chantilly, VA · Super Bee Auto
    View listing →

These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2015 Mercedes-Benz SLK-Class asks $14,736–$20,780. Cars this far under usually carry an older model year, a base trim or high mileage.

FAQ

How much does a used 2015 Mercedes-Benz SLK-Class cost?

A used 2015 Mercedes-Benz SLK-Class in the US typically lists for $14,736 to $20,780, with a median asking price of $18,228 across 34 active US dealer listings. Nine in ten are priced between $9,632 and $25,027 (as of 2026-08-28, source: UnderMarket Cars).

Is $18,000 a good price for a used 2015 Mercedes-Benz SLK-Class?

That sits at about the market median ($18,228) for a used 2015 Mercedes-Benz SLK-Class. Under $14,736 puts you in the cheapest quarter of active US listings and under $9,632 in the cheapest 5%; above $25,027 is the priciest 5% (as of 2026-08-28).

What is the cheapest used 2015 Mercedes-Benz SLK-Class for sale right now?

$5,995 — a 2015 Mercedes-Benz SLK-Class Slk350 in Wrightstown, NJ, $12,233 under the median (as of 2026-08-28).

Are these MSRP or real asking prices?

Real asking prices from active US dealer listings, deduplicated by VIN — not manufacturer MSRP. They already reflect dealer discounts, and they exclude tax, title, registration and dealer fees.

How often are prices updated?

UnderMarket Cars refreshes US dealer listings continuously and re-generates this used 2015 Mercedes-Benz SLK-Class price page at least twice a day. The data date shown on this page is 2026-08-28.

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Prices updated 2026-08-28. Data covers active dealer listings across the USA.