Used 2021 Mercedes-Benz CLS-Class Price in the US
A used 2021 Mercedes-Benz CLS-Class in the US typically lists for $33,725–$40,746, with a median asking price of $37,415 across 26 active US dealer listings (as of 2026-10-19). The cheapest one listed right now is $27,999, a 2021 CLS450 in Tampa, FL — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.
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typical price per yearCheapest 10 listed right now
ranked by price-
$27,9992021 Mercedes-Benz CLS-Class CLS450111,805 mi · Tampa, FL · Grand Auto SalesView listing →
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$29,9952021 Mercedes-Benz CLS-Class CLS45085,757 mi · Houston, TX · Nation Wide EnterpriseView listing → -
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$30,9892021 Mercedes-Benz CLS-Class CLS450-4M70,675 mi · Jenkintown, PA · Fred Beans Acura of AbingtonView listing →
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$31,5002021 Mercedes-Benz CLS-Class CLS450-4M88,194 mi · Miami, FL · El Primo Motor GroupView listing → -
$31,9002021 Mercedes-Benz CLS-Class CLS450104,519 mi · Virginia Beach, VA · Maguire and Sons Auto Brokers IncView listing → -
$33,6652021 Mercedes-Benz CLS-Class CLS450-4M44,979 mi · Great Neck, NY · Import MastersView listing →
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$33,9052021 Mercedes-Benz CLS-Class CLS45067,425 mi · Rancho Cordova, CA · Prestige MotorsportView listing →
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$34,9952021 Mercedes-Benz CLS-Class CLS450-4M49,710 mi · Union City, NJ · Bavaria Auto ImportsView listing → -
$35,1952021 Mercedes-Benz CLS-Class CLS450-4M45,838 mi · Coumbia, SC · Columbia City CarsView 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 CLS-Class asks $33,725–$40,746. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.
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10 pinnedFAQ
How much does a used 2021 Mercedes-Benz CLS-Class cost?
A used 2021 Mercedes-Benz CLS-Class in the US typically lists for $33,725 to $40,746, with a median asking price of $37,415 across 26 active US dealer listings. Nine in ten are priced between $30,220 and $45,400 (as of 2026-10-19, source: UnderMarket Cars).
Is $37,000 a good price for a used 2021 Mercedes-Benz CLS-Class?
That sits at about the market median ($37,415) for a used 2021 Mercedes-Benz CLS-Class. Under $33,725 puts you in the cheapest quarter of active US listings and under $30,220 in the cheapest 5%; above $45,400 is the priciest 5% (as of 2026-10-19).
What is the cheapest used 2021 Mercedes-Benz CLS-Class for sale right now?
$27,999 — a 2021 Mercedes-Benz CLS-Class CLS450 in Tampa, FL, $9,416 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 2021 Mercedes-Benz CLS-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.