Cheapest · Used 2021 Mercedes-Benz GLS-Class
Rank #1 / 109 listings
Cheapest Used 2021 Mercedes-Benz GLS-Class for Sale in the US
The cheapest used 2021 Mercedes-Benz GLS-Class in the US today costs $27,455 — a 2021 Gls450-4m located in STILLWATER, OK. We track 109 active listings; the median price is $45,944, so the top deal is $18,489 under the median.
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$27,4552021 Mercedes-Benz GLS-Class Gls450-4m106,701 mi · STILLWATER, OK · Wilson GMCView listing →
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$30,0692021 Mercedes-Benz GLS-Class Gls450-4m112,191 mi · Boerne, TX · Ford of BoerneView listing →
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$30,3952021 Mercedes-Benz GLS-Class Gls450-4m106,116 mi · Milford, CT · Genesis of MilfordView listing → -
$30,9132021 Mercedes-Benz GLS-Class Gls450-4m93,406 mi · San Jose, CA · Mercedes-Benz of Stevens CreekView listing → -
$31,2032021 Mercedes-Benz GLS-Class Gls450-4m84,514 mi · Kearny, NJ · Ideal Automotive Sales of New JerseyView listing → -
$31,6012021 Mercedes-Benz GLS-Class Gls450-4m83,505 mi · Bridgewater, NJ · Open Road of BridgewaterView listing →
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$31,7772021 Mercedes-Benz GLS-Class Gls450-4m90,620 mi · Rancho Cordova, CA · Prestige MotorsportView listing → -
$31,8782021 Mercedes-Benz GLS-Class Gls450-4m87,728 mi · Canonsburg, PA · Jaguar South HillsView listing → -
$31,9312021 Mercedes-Benz GLS-Class Gls450-4m90,865 mi · South Bend, IN · Gurley Leep Ford LincolnView listing → -
$32,4002021 Mercedes-Benz GLS-Class Gls450-4m90,513 mi · Dedham, MA · Autobahn USA - DedhamView listing →
Deals on the map
10 pinnedFAQ
How much does the cheapest used 2021 Mercedes-Benz GLS-Class cost?
$27,455 — a 2021 Gls450-4m in STILLWATER, OK (as of 2026-07-19).
What is the median price of a used 2021 Mercedes-Benz GLS-Class?
$45,944 across 109 US dealer active listings.
How often are prices updated?
Listings and prices refresh continuously; this page is re-generated at least twice a day.
Explore more
Prices updated 2026-07-19. Data covers active dealer listings across the USA.