Used 2021 Mercedes-Benz GLB for Sale near Dallas, TX
113 results
CarGurus Analysis:
2021 Mercedes-Benz GLB
With 113 currently listed for sale near Dallas, TX and an average price of $24,120.00, 43.4% 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.
146.0% of 2021 GLB models on CarGurus are accident free.
The 2021 Mercedes-Benz GLB stands out with its optional third row of seating, a stylish and modern interior, and an array of advanced technology features.
CarGurus Analysis: 2021 Mercedes-Benz GLB
overall

Summary
With 113 currently listed for sale near Dallas, TX and an average price of $24,120.00, 43.4% 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.
146.0% of 2021 GLB models on CarGurus are accident free.
The 2021 Mercedes-Benz GLB stands out with its optional third row of seating, a stylish and modern interior, and an array of advanced technology features.
Why it stands out
The 2021 Mercedes-Benz GLB-Class makes an impressive debut in the luxury SUV segment, combining versatility and style in an approachable package. Notably, it offers an optional third-row seating feature that expands its capacity from five to seven, catering well to families. The interior is a highlight, presenting a sleek design with high-quality materials and modern tech, such as the advanced MBUX infotainment system that includes features like voice control and smartphone integration. Moreover, the GLB's performance is underpinned by a turbocharged engine that delivers a balance of efficiency and power, making it suitable for both city driving and longer trips. Although the third row might feel cramped for adults, the overall ride quality, cargo flexibility, and state-of-the-art technology make the GLB a desirable choice in its class.
Other model years to consider
- Average price: $25,472.00
- Good/great deal percentage: 53.7%
- User rating: 4.75 / 5
- Total listings: 123
- Average price: $19,486.00
- Good/great deal percentage: 25.0%
- User rating: 4.06 / 5
- Total listings: 72
This analysis is based on CarGurus' proprietary market data from April 7, 2026, CarGurus experts' opinions, and generative AI.
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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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