Used 2020 Mercedes-Benz GLB-Class Price in the US
A used 2020 Mercedes-Benz GLB-Class in the US typically lists for $18,144–$22,996, with a median asking price of $20,516 across 292 active US dealer listings (as of 2026-10-19). The cheapest one listed right now is $12,700, a 2020 GLB250 in Hollywood, FL — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.
- Typical range
- $18,144 – $22,996
- Median
- $20,516
- Cheapest 5%
- under $14,995
- Cheapest listed now
- $12,700
Browse by model year
typical price per yearCheapest 10 listed right now
ranked by price-
$12,7002020 Mercedes-Benz GLB-Class GLB250100,891 mi · Hollywood, FL · Elite Auto AuctionsView listing → -
$12,9952020 Mercedes-Benz GLB-Class GLB250-4M89,566 mi · Newark, NJ · Broad St Auto SalesView listing →
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$12,9992020 Mercedes-Benz GLB-Class GLB250123,302 mi · Fishers, IN · Picasso Imports FishersView listing →
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$13,4892020 Mercedes-Benz GLB-Class GLB250-4M99,476 mi · Mission Hills, CA · AutobakersView listing →
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$13,7902020 Mercedes-Benz GLB-Class GLB250-4M94,551 mi · Mountain Lakes, NJ · Auto Spot of Mountain LakesView listing →
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$13,8902020 Mercedes-Benz GLB-Class GLB250-4M108,050 mi · Denton, TX · DUCARS INVESTMENT LLCView listing → -
$14,1262020 Mercedes-Benz GLB-Class GLB250-4M113,407 mi · Fredericksburg, VA · CarPlugView listing →
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$14,5792020 Mercedes-Benz GLB-Class GLB250108,947 mi · Buena Park, CA · Nissan of Buena ParkView listing →
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$14,7992020 Mercedes-Benz GLB-Class GLB250134,966 mi · Chattanooga, TN · Mountain View NissanView listing → -
$14,8002020 Mercedes-Benz GLB-Class GLB250-4M93,410 mi · Bellevue, WA · Platinum MotorsView listing →
These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2020 Mercedes-Benz GLB-Class asks $18,144–$22,996. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.
Deals on the map
10 pinnedFAQ
How much does a used 2020 Mercedes-Benz GLB-Class cost?
A used 2020 Mercedes-Benz GLB-Class in the US typically lists for $18,144 to $22,996, with a median asking price of $20,516 across 292 active US dealer listings. Nine in ten are priced between $14,995 and $25,994 (as of 2026-10-19, source: UnderMarket Cars).
Is $21,000 a good price for a used 2020 Mercedes-Benz GLB-Class?
That sits at about the market median ($20,516) for a used 2020 Mercedes-Benz GLB-Class. Under $18,144 puts you in the cheapest quarter of active US listings and under $14,995 in the cheapest 5%; above $25,994 is the priciest 5% (as of 2026-10-19).
What is the cheapest used 2020 Mercedes-Benz GLB-Class for sale right now?
$12,700 — a 2020 Mercedes-Benz GLB-Class GLB250 in Hollywood, FL, $7,816 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 2020 Mercedes-Benz GLB-Class page is regenerated from it when it is requested. The figures on this page are from 2026-10-19.
Explore more
Prices updated 2026-10-19. Data covers active dealer listings across the USA.