Used 2021 Mercedes-Benz GLB for Sale Nationwide
1,035 results
CarGurus Analysis:
2021 Mercedes-Benz GLB
With 1,034 currently listed for sale and an average price of $24,365.00, 33.8% 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 5 / 5 stars.
84.5% of 2021 GLB models on CarGurus are accident free.
The 2021 Mercedes-Benz GLB highlights include a versatile interior with an optional third row of seating, advanced technology integration, and a turbocharged engine that balances performance and efficiency.
CarGurus Analysis: 2021 Mercedes-Benz GLB
overall
Summary
With 1,034 currently listed for sale and an average price of $24,365.00, 33.8% 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 5 / 5 stars.
84.5% of 2021 GLB models on CarGurus are accident free.
The 2021 Mercedes-Benz GLB highlights include a versatile interior with an optional third row of seating, advanced technology integration, and a turbocharged engine that balances performance and efficiency.
Why it stands out
The 2021 Mercedes-Benz GLB stands out as a highly flexible luxury SUV that combines functionality with the premium feel typical of the Mercedes-Benz brand. Its interior offers a unique optional third row that expands passenger capacity from five to seven, a rarity in this segment. The cabin is crafted with a modern aesthetic, showcasing high-quality materials and an intuitive MBUX infotainment system, which enhances the driving experience with features like voice activation. The GLB's engine performance—a turbocharged 2.0-liter inline four-cylinder, generating 221 horsepower—provides a smooth drive. Despite its compact size, valuable cargo space and advanced safety features make it a compelling choice for families and tech-savvy buyers. While the cramped third row might be a drawback, the overall value and experience offered by the GLB position it well in a competitive market.
Other model years to consider
- Average price: $21,506.00
- Good/great deal percentage: 35.2%
- User rating: 4.14 / 5
- Total listings: 560
- Average price: $28,524.00
- Good/great deal percentage: 32.8%
- User rating: 4 / 5
- Total listings: 1,196
This analysis is based on CarGurus' proprietary market data from April 13, 2026, CarGurus experts' opinions, and generative AI.
Relevant articles
The Best Luxury SUVs of 2026
What are you looking for in your next new car? Comfort? Performance? Cargo space? The latest tech and safety features? With a modern luxury SUV, you can blend them all with little sacrifice.
2026 Mercedes-Benz GLB Pricing, Specs, and Release Date
The 2026 Mercedes-Benz GLB, like the sleeker GLA, is a luxury compact crossover available with a new assortment of packages and visual upgrades.
Who Makes Mercedes-Benz Cars?
Mercedes-Benz calls itself ‘the oldest car manufacturer in the world’. Formed by the merger of two formative German car brands in 1926, it continues to sell a huge number and variety of vehicles to this day.
5.0 Overall rating
Filter by rating
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.
See more price trends
