Summary

• With 125 currently listed for sale near Houston, TX and an average price of $22,415.00, 49.6% 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 shines with its flexible interior layout, offering an optional third row of seating, which accommodates up to seven passengers.

Why it stands out

The 2021 Mercedes-Benz GLB distinguishes itself in the competitive luxury SUV market with its blend of versatility, performance, and premium features. With its compact size, it slots perfectly between the GLA and GLC, yet offers the space many families need through the optional third-row seating. Its interior is highly praised for its modern design, characterized by elegant aesthetics and top-notch materials that set the standard for its class. The infotainment system, equipped with the latest MBUX technology, grants drivers intuitive control, including advanced voice recognition capabilities. Under the hood, the GLB is powered by a robust 2.0-liter turbocharged engine that provides a satisfying driving experience, particularly when paired with the optional 4MATIC all-wheel drive for enhanced handling in various conditions. Despite minor criticisms like the cramped third row, the GLB's overall package of technology, safety, and luxury makes it a compelling choice for buyers seeking an entry-level premium SUV.

Other model years to consider

• 2022 Mercedes-Benz GLB

  • Average price: $27,534.00
  • Good/great deal percentage: 54.8%
  • User rating: 4 / 5
  • Total listings: 155

• 2020 Mercedes-Benz GLB

  • Average price: $21,937.00
  • Good/great deal percentage: 31.0%
  • User rating: 4.14 / 5
  • Total listings: 71

This analysis is based on CarGurus' proprietary market data from June 23, 2026, CarGurus experts' opinions, and generative AI.