Market price · Used 2015 Mercedes-Benz SL-Class 70 listings tracked

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

A used 2015 Mercedes-Benz SL-Class in the US typically lists for $27,619–$37,971, with a median asking price of $32,773 across 70 active US dealer listings (as of 2026-10-19). The cheapest one listed right now is $15,900, a 2015 SL400 in Miami, FL — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Used 2015 Mercedes-Benz SL-Class · asking prices70 listings

median $32.8k ◀ cheapest $15.9k

$20k$50k

Typical range: $27,619 – $37,971
Median: $32,773
Cheapest 5%: under $20,670
Cheapest listed now: $15,900

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More years (16)

Cheapest 10 listed right now

ranked by price

$15,900

2015 Mercedes-Benz SL-Class SL400

90,772 mi · Miami, FL · Gables Auto Brokers
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$19,800

2015 Mercedes-Benz SL-Class SL400

87,426 mi · Knoxville, TN · USI Motors
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$19,995

2015 Mercedes-Benz SL-Class SL400

120,411 mi · Crestwood, IL · Adam Auto Group
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$19,995

2015 Mercedes-Benz SL-Class SL400

98,569 mi · Orlando, FL · 3 Amigos Auto Sales
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$21,495

2015 Mercedes-Benz SL-Class SL400

69,795 mi · Sewell, NJ · Automotive Avenues of Sewell
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$22,500

2015 Mercedes-Benz SL-Class SL400

84,238 mi · Phoenix, AZ · Fantasy Auto Sales
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$23,990

2015 Mercedes-Benz SL-Class SL400

78,039 mi · Miami, FL · Mercedes-Benz of Miami
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$24,495

2015 Mercedes-Benz SL-Class SL400

61,212 mi · Charlotte, NC · Godspeed Motors
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$24,860

2015 Mercedes-Benz SL-Class SL400

81,099 mi · San juan capistrano, CA · Majano Enterprise
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$24,990

2015 Mercedes-Benz SL-Class SL400

77,990 mi · Tampa, FL · Carvana - Tampa
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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 SL-Class asks $27,619–$37,971. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

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

A used 2015 Mercedes-Benz SL-Class in the US typically lists for $27,619 to $37,971, with a median asking price of $32,773 across 70 active US dealer listings. Nine in ten are priced between $20,670 and $49,993 (as of 2026-10-19, source: UnderMarket Cars).

Is $33,000 a good price for a used 2015 Mercedes-Benz SL-Class?

That sits at about the market median ($32,773) for a used 2015 Mercedes-Benz SL-Class. Under $27,619 puts you in the cheapest quarter of active US listings and under $20,670 in the cheapest 5%; above $49,993 is the priciest 5% (as of 2026-10-19).

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

$15,900 — a 2015 Mercedes-Benz SL-Class SL400 in Miami, FL, $16,873 under the median (as of 2026-10-19).

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?

The listing data behind UnderMarket Cars is rebuilt from live US dealer inventory every few hours, and this used 2015 Mercedes-Benz SL-Class page is regenerated from it when it is requested. The figures on this page are from 2026-10-19.

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Prices updated 2026-10-19. Data covers active dealer listings across the USA.