Used 2021 Mercedes-Benz GLC-Class Price in the US
A used 2021 Mercedes-Benz GLC-Class in the US typically lists for $21,835–$28,907, with a median asking price of $25,293 across 551 active US dealer listings (as of 2026-10-19). The cheapest one listed right now is $13,312, a 2021 GLC300-4M in Grand Rapids, MI — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.
- Typical range
- $21,835 – $28,907
- Median
- $25,293
- Cheapest 5%
- under $18,514
- Cheapest listed now
- $13,312
Browse by model year
typical price per yearCheapest 10 listed right now
ranked by price-
$13,3122021 Mercedes-Benz GLC-Class GLC300-4M138,878 mi · Grand Rapids, MI · Fox FordView listing →
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$14,4182021 Mercedes-Benz GLC-Class GLC300103,723 mi · Davie, FL · All Will Drive Motors LLCView listing → -
$14,8982021 Mercedes-Benz GLC-Class GLC300102,981 mi · Hollywood, FL · My Auto SourceView listing →
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$14,9902021 Mercedes-Benz GLC-Class GLC30090,153 mi · Miami, FL · Lions Pre-Owned MiamiView listing →
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$14,9902021 Mercedes-Benz GLC-Class GLC300-4M126,633 mi · Harrisburg, PA · Masic MotorsView listing → -
$14,9952021 Mercedes-Benz GLC-Class GLC300123,082 mi · Louisville, MS · CARite of LouisvilleView listing →
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$14,9992021 Mercedes-Benz GLC-Class GLC30094,845 mi · Azusa, CA · Space Auto ExoticsView listing →
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$15,9792021 Mercedes-Benz GLC-Class GLC300-4M96,269 mi · Woodbridge, VA · Carget MotorsView listing →
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$16,3762021 Mercedes-Benz GLC-Class GLC300-4M111,694 mi · Draper, UT · Mercedes-Benz of DraperView 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 GLC-Class asks $21,835–$28,907. 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 GLC-Class cost?
A used 2021 Mercedes-Benz GLC-Class in the US typically lists for $21,835 to $28,907, with a median asking price of $25,293 across 551 active US dealer listings. Nine in ten are priced between $18,514 and $39,994 (as of 2026-10-19, source: UnderMarket Cars).
Is $25,000 a good price for a used 2021 Mercedes-Benz GLC-Class?
That sits at about the market median ($25,293) for a used 2021 Mercedes-Benz GLC-Class. Under $21,835 puts you in the cheapest quarter of active US listings and under $18,514 in the cheapest 5%; above $39,994 is the priciest 5% (as of 2026-10-19).
What is the cheapest used 2021 Mercedes-Benz GLC-Class for sale right now?
$13,312 — a 2021 Mercedes-Benz GLC-Class GLC300-4M in Grand Rapids, MI, $11,981 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 GLC-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.