What a used Mercedes-Benz SLK-Class costs

The typical used Mercedes-Benz SLK-Class price is $8,500: the median of 310 live listings across model years 1998–2016. A 2015 asks about $17,999.

Median asking price and the middle of the market for that year. Mileage, condition and options move a particular car inside this range — Pro prices a specific VIN.
Live classified listings · 310 listings · median $8,500 · Updated Nov 3, 2026
Quick answer

For the same model year, dealers ask 21 points more than private sellers; CA is the cheapest state at -1% and WA the priciest at +57%.

Mercedes-Benz SLK-Class price by model year

FIG.01·Mercedes-Benz SLK-Class prices by model year
YearTypical priceSpreadListings
2015$17,999—10
2014$16,650—6
2012$12,900—5
2011$14,995—7
2010$10,450—7
2009$10,850—9
2008$6,496—5
2007$7,000—6
2006$7,995—19
2005$8,999—11
2003$6,800—10
2001$6,250—10
2000$8,963—5
1998$3,900—5
ROWS 14·SOURCE Live classified listings

Dealer or private seller

On the Mercedes-Benz SLK-Class the dealer markup works out at 21% over a private sale of the same year.

FIG.02·Mercedes-Benz SLK-Class — dealer versus private
SellerListingsvs median yearAverage asked
Private seller150+6.2%$8,020
Dealer120+26.8%$12,321
ROWS 2·SOURCE Live listings, normalized per model year

How fast price falls with mileage

Measured on the 2006 SLK-Class, the model year with the most listings, so age does not mix in. Between the 100–125k and 125–150k bands the asking price falls 41%.

FIG.04·Mercedes-Benz SLK-Class — price by mileage
MileagePrice dropListings
100–125k milesbaseline16
125–150k miles−41%10
ROWS 2·SOURCE Live listings, 2006 model year only

Where it's cheaper

States where the Mercedes-Benz SLK-Class asks least and most, measured against the national median for each model year. Most expensive is WA at +57%, cheapest CA at -1% — 58 points apart, which on a $8,500 car is roughly $4,922.

FIG.06·Mercedes-Benz SLK-Class — cheapest and priciest states
StateListingsvs national median
CA75-1.1%
FL37+2.3%
AZ14+20.1%
OR27+30.0%
MN17+38.4%
WA22+56.8%
ROWS 6·SOURCE Live listings, normalized per model year
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Frequently asked questions

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

The median asking price is $8,500 across 310 live listings. A 1998 asks about $3,900 and a 2015 about $17,999. The most listed year is 2006, at $7,995.

Is it cheaper to buy a SLK-Class from a private seller?

Yes. Against the median for the same model year, dealers ask 26.8% above and private sellers 6.2% above, a gap of about $3,708 on a 2015 at $17,999.

How much value does a SLK-Class lose per 25,000 miles?

About 41% of the asking price for every 25,000 miles on the 2006 SLK-Class, measured from the 100–125k band to the 125–150k band. To price one car by its year and mileage, use the Mercedes-Benz SLK-Class valuation tool.

Where is the cheapest place to buy a SLK-Class?

Of the states with enough listings, CA asks least at -1.1% against the national median, and WA most at +56.8%. On the typical $8,500 SLK-Class that spread is about $4,922.

Asking prices from live classified listings, normalized against the median for each model year. Slices below a minimum listing count are omitted. Asking prices exceed transaction prices (how we count). Last updated Nov 2026. — ForCar Reviewed by , founder of ForCar.
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