Used 2021 Mercedes-Benz GLB for Sale near Springfield, VA

## Summary - With 1,104 currently listed for sale on CarGurus and an **average price of $24,352.00**, 36.2% 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 and CarGurus experts gave it an 8 / 10. - **85.3% of 2021 GLB models on CarGurus are accident free**. - The 2021 Mercedes-Benz GLB-Class makes a mark with its versatile interior layout, offering an optional ($850) third row of seating, expanding passenger capacity to seven. ## Why it stands out The 2021 Mercedes-Benz GLB offers a compelling blend of luxury, functionality, and modern technology, making it an appealing choice for families and individuals alike. With its spacious interior and the option for a third row of seating, it provides flexibility that sets it apart from competitors in the compact luxury SUV segment. The interior exemplifies Mercedes-Benz's commitment to quality, with a modern design characterized by impressive fit and finish and striking design elements like round HVAC vents that evoke an aerospace vibe. In terms of performance, the GLB features a turbocharged 2.0-liter engine that delivers a respectable 221 horsepower, paired with an eight-speed dual-clutch automatic transmission, ensuring a smooth ride. However, potential buyers should be aware that the third row is somewhat cramped, which can limit its practicality for taller passengers. ## Other model years to consider - **[2023 Mercedes-Benz GLB](https://www.cargurus.com/Cars/l-Used-2023-Mercedes-Benz-GLB-c32605)** - Average price: $30,573.00 - Good/great deal percentage: 33.7% - User rating: 5 / 5 - Total listings: 1,036 - **[2022 Mercedes-Benz GLB](https://www.cargurus.com/Cars/l-Used-2022-Mercedes-Benz-GLB-c31985)** - Average price: $27,764.00 - Good/great deal percentage: 35.2% - User rating: 4.75 / 5 - Total listings: 1,227 - **[2020 Mercedes-Benz GLB](https://www.cargurus.com/Cars/l-Used-2020-Mercedes-Benz-GLB-c29345)** - Average price: $21,038.00 - Good/great deal percentage: 36.5% - User rating: 4.06 / 5 - Total listings: 641 This analysis is based on CarGurus' proprietary market data from February 20, 2026, CarGurus experts' opinions, and generative AI.