Used 2021 Mercedes-Benz CLS-Class Price in the US
A used 2021 Mercedes-Benz CLS-Class in the US typically lists for $36,130–$42,480, with a median asking price of $39,744 across 20 active US dealer listings (as of 2026-09-03). The cheapest one listed right now is $29,995, a 2021 Cls450 in Houston, TX — below 95% of the market, so expect an older model year, a base trim or high mileage.
Browse by model year
cheapest per year- All years
- 2023 · from $42,212
- 2022 · from $35,495
- 2021 · from $29,995
- 2020 · from $23,601
- 2019 · from $18,124
- 2018 · from $19,999
- 2017 · from $16,990
- 2016 · from $10,900
- 2015 · from $7,995
- 2014 · from $7,990
- 2013 · from $5,999
- 2012 · from $7,998
- 2011 · from $7,999
- 2010 · from $8,995
- 2009 · from $4,995
- 2008 · from $6,000
- 2007 · from $4,999
- 2006 · from $3,500
Cheapest 10 listed right now
ranked by price-
$29,9952021 Mercedes-Benz CLS-Class Cls45085,757 mi · Houston, TX · Nation Wide EnterpriseView listing → -
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$31,9002021 Mercedes-Benz CLS-Class Cls450104,519 mi · Virginia Beach, VA · Maguire & Sons Auto BrokersView listing → -
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$36,5762021 Mercedes-Benz CLS-Class Cls450-4m52,784 mi · Cockeysville, MD · Mercedes-Benz of Hunt ValleyView listing →
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$38,2052021 Mercedes-Benz CLS-Class Amg Cls5392,364 mi · Lexington, KY · Genesis of LexingtonView listing → -
$38,5582021 Mercedes-Benz CLS-Class Cls450-4m36,372 mi · Colorado Springs, CO · Mike Maroone Chevrolet VW NorthView listing → -
$38,9502021 Mercedes-Benz CLS-Class Cls450-4m1,174 mi · Mooresville, NC · Southeast Auto GroupView listing → -
$39,4992021 Mercedes-Benz CLS-Class Cls45043,821 mi · Sacramento, CA · AWSI Auto SalesView 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 $36,130–$42,480. Cars this far under usually carry an older model year, a base trim or high mileage.
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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 $36,130 to $42,480, with a median asking price of $39,744 across 20 active US dealer listings. Nine in ten are priced between $30,850 and $46,146 (as of 2026-09-03, source: UnderMarket Cars).
Is $40,000 a good price for a used 2021 Mercedes-Benz CLS-Class?
That sits at about the market median ($39,744) for a used 2021 Mercedes-Benz CLS-Class. Under $36,130 puts you in the cheapest quarter of active US listings and under $30,850 in the cheapest 5%; above $46,146 is the priciest 5% (as of 2026-09-03).
What is the cheapest used 2021 Mercedes-Benz CLS-Class for sale right now?
$29,995 — a 2021 Mercedes-Benz CLS-Class Cls450 in Houston, TX, $9,749 under the median (as of 2026-09-03).
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 2021 Mercedes-Benz CLS-Class price page at least twice a day. The data date shown on this page is 2026-09-03.
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Prices updated 2026-09-03. Data covers active dealer listings across the USA.