Live US dealer listings Median-priced benchmark Updated 2026-10-15
Market price · Used 2021 Mercedes-Benz S-Class 173 listings tracked

Used 2021 Mercedes-Benz S-Class Price in the US

A used 2021 Mercedes-Benz S-Class in the US typically lists for $52,999–$63,493, with a median asking price of $58,980 across 173 active US dealer listings (as of 2026-10-15). The cheapest one listed right now is $42,995, a 2021 S580-4M in Fredericksburg, VA — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Used 2021 Mercedes-Benz S-Class · asking prices173 listings
$40k$110k
Typical range
$52,999 – $63,493
Median
$58,980
Cheapest 5%
under $46,478
Cheapest listed now
$42,995

Browse by model year

typical price per year
More years (20)

Cheapest 10 listed right now

ranked by price
  1. 2021 Mercedes-Benz S-Class
    $42,995
    2021 Mercedes-Benz S-Class S580-4M
    123,499 mi · Fredericksburg, VA · National Auto Exchange
    View listing →
  2. 2021 Mercedes-Benz S-Class
    $43,250
    2021 Mercedes-Benz S-Class S580-4M
    63,482 mi · Kennesaw, GA · Autonomous
    View listing →
  3. $43,995
    2021 Mercedes-Benz S-Class S580-4M
    80,861 mi · Wayne, MI · Road Runner Auto Sales
    View listing →
  4. 2021 Mercedes-Benz S-Class
    $44,498
    2021 Mercedes-Benz S-Class S580-4M
    92,157 mi · Somerville, MA · Herb Chambers Sprinter Dealerships
    View listing →
  5. $44,966
    2021 Mercedes-Benz S-Class S580-4M
    91,576 mi · Arlington, VA · Merlex Auto Group
    View listing →
  6. 2021 Mercedes-Benz S-Class
    $45,995
    2021 Mercedes-Benz S-Class S580-4M
    83,481 mi · Wayne, NJ · Haus of Lux
    View listing →
  7. 2021 Mercedes-Benz S-Class
    $45,999
    2021 Mercedes-Benz S-Class S580-4M
    71,279 mi · Roswell, GA · Motorpoint Roswell
    View listing →
  8. $46,163
    2021 Mercedes-Benz S-Class S580-4M
    79,692 mi · Peru, IL · Hawk Chevrolet of Peru
    View listing →
  9. 2021 Mercedes-Benz S-Class
    $46,444
    2021 Mercedes-Benz S-Class S580-4M
    71,058 mi · Woodbridge, VA · Carget Motors
    View listing →
  10. 2021 Mercedes-Benz S-Class
    $46,500
    2021 Mercedes-Benz S-Class S580-4M
    63,719 mi · Marietta, GA · Drive A Dream
    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 2021 Mercedes-Benz S-Class asks $52,999–$63,493. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2021 Mercedes-Benz S-Class cost?

A used 2021 Mercedes-Benz S-Class in the US typically lists for $52,999 to $63,493, with a median asking price of $58,980 across 173 active US dealer listings. Nine in ten are priced between $46,478 and $106,741 (as of 2026-10-15, source: UnderMarket Cars).

Is $59,000 a good price for a used 2021 Mercedes-Benz S-Class?

That sits at about the market median ($58,980) for a used 2021 Mercedes-Benz S-Class. Under $52,999 puts you in the cheapest quarter of active US listings and under $46,478 in the cheapest 5%; above $106,741 is the priciest 5% (as of 2026-10-15).

What is the cheapest used 2021 Mercedes-Benz S-Class for sale right now?

$42,995 — a 2021 Mercedes-Benz S-Class S580-4M in Fredericksburg, VA, $15,985 under the median (as of 2026-10-15).

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 2021 Mercedes-Benz S-Class page is regenerated from it when it is requested. The figures on this page are from 2026-10-15.

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Prices updated 2026-10-15. Data covers active dealer listings across the USA.