Summary

• With 113 currently listed for sale near Miami, FL and an average price of $19,853.00, 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 5 / 5 stars.

• 100.0% of 2021 GLB models on CarGurus are accident free.

• The 2021 Mercedes-Benz GLB offers a flexible interior layout with an optional third row, making it a versatile choice in the luxury SUV segment.

Why it stands out

The 2021 Mercedes-Benz GLB distinguishes itself in the luxury SUV market with its unique combination of style, functionality, and advanced technology. With an approachable starting price and a spacious interior, the GLB can accommodate up to seven passengers when equipped with the optional third row. This feature, along with its attractive design and impressive technology, makes it a compelling choice for families and individuals alike. The GLB is powered by a turbocharged 2.0-liter inline four-cylinder engine, delivering a balanced performance with 221 horsepower and a smooth eight-speed dual-clutch automatic transmission. While the third row may feel cramped for adults, it is suitable for children, making it a practical option for family outings. The GLB also boasts a high-quality interior with modern amenities, ensuring a comfortable ride. Overall, the 2021 GLB is an excellent entry point into the Mercedes-Benz lineup, offering luxury without excessive costs.

Other model years to consider

• 2022 Mercedes-Benz GLB

  • Average price: $24,155.00
  • Good/great deal percentage: 47.6%
  • User rating: 4 / 5
  • Total listings: 143

• 2020 Mercedes-Benz GLB

  • Average price: $19,171.00
  • Good/great deal percentage: 40.0%
  • User rating: 4.14 / 5
  • Total listings: 50

This analysis is based on CarGurus' proprietary market data from July 7, 2026, CarGurus experts' opinions, and generative AI.