Summary

• With 122 currently listed for sale near Dallas, TX and an average price of $22,230.00, 33.6% 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, the GLB-Class offers a flexible interior layout that 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 looking to enter the luxury segment without overspending. The GLB is powered by a turbocharged 2.0-liter inline four-cylinder engine, delivering a respectable 221 horsepower, and is available with either front-wheel drive or the more capable 4MATIC all-wheel drive system. While the third row may feel cramped for adults, it is suitable for children, making the GLB a practical option for family outings. Additionally, the vehicle boasts a high-quality interior with modern amenities and a suite of safety features that enhance its appeal. Overall, the 2021 GLB is a well-rounded SUV that balances luxury and practicality.

Other model years to consider

• 2022 Mercedes-Benz GLB

  • Average price: $26,082.00
  • Good/great deal percentage: 43.2%
  • User rating: 4 / 5
  • Total listings: 146

• 2020 Mercedes-Benz GLB

  • Average price: $22,969.00
  • Good/great deal percentage: 25.0%
  • User rating: 4.14 / 5
  • Total listings: 68

This analysis is based on CarGurus' proprietary market data from August 4, 2026, CarGurus experts' opinions, and generative AI.