Used 2021 Mercedes-Benz GLB for Sale near Washington, DC
136 results
CarGurus Analysis:
2021 Mercedes-Benz GLB
With 140 currently listed for sale near Washington, DC and an average price of $24,375.00, 42.9% of 2021 Mercedes-Benz GLBs for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 Mercedes-Benz GLB 4.83 / 5 stars.
132.9% of 2021 GLB models on CarGurus are accident free.
The compact 2021 Mercedes-Benz GLB-Class stands out with an optional third row, enhancing its versatility and passenger capacity.
CarGurus Analysis: 2021 Mercedes-Benz GLB
overall
Summary
With 140 currently listed for sale near Washington, DC and an average price of $24,375.00, 42.9% of 2021 Mercedes-Benz GLBs for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 Mercedes-Benz GLB 4.83 / 5 stars.
132.9% of 2021 GLB models on CarGurus are accident free.
The compact 2021 Mercedes-Benz GLB-Class stands out with an optional third row, enhancing its versatility and passenger capacity.
Why it stands out
The 2021 Mercedes-Benz GLB-Class carves a distinct niche in the luxury SUV market with its blend of practicality and premium features. One of its hallmark attributes is the option for a third row of seating, allowing it to accommodate up to seven passengers, which is a rarity in its class. This feature makes the GLB particularly appealing to families or those needing extra seating without stepping up to a larger vehicle. Additionally, the general comfort and high-quality materials throughout the interior resonate with consumers looking for a refined experience in a compact package. The GLB is powered by a turbocharged 2.0-liter engine delivering 221 horsepower, paired with an eight-speed dual-clutch automatic transmission, making for a responsive driving experience. Furthermore, the vehicle's advanced technology, including the upgraded MBUX infotainment system with voice activation, enhances usability, making it a modern choice for tech-savvy drivers. While there are minor drawbacks such as a cramped rear seat for adults, the overall package presents a well-rounded option for buyers seeking luxury combined with functionality.
Other model years to consider
- Average price: $28,820.00
- Good/great deal percentage: 54.6%
- User rating: 4.75 / 5
- Total listings: 141
- Average price: $21,205.00
- Good/great deal percentage: 28.7%
- User rating: 4.06 / 5
- Total listings: 87
This analysis is based on CarGurus' proprietary market data from April 7, 2026, CarGurus experts' opinions, and generative AI.
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5.0 Overall rating
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Lauren W
Reviewed a 2021 Mercedes-Benz 250 4MATIC on Jul 24, 2024
Amazing suv for people who want a small SUV. Size of a Nissan Rouge, but with the features and luxury options of a Mercedes.
2021 Mercedes-Benz GLB Trims
| Trim type | MSRP |
|---|---|
| 250 4MATIC | $40,050 |
| AMG 35 4MATIC | $49,500 |
| 250 FWD | $38,050 |
2021 Mercedes-Benz GLB Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2021 Mercedes-Benz GLB prices has changed over time.
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