Summary

• With 561 currently listed for sale and an average price of $21,543.00, 33.9% of 2020 Mercedes-Benz GLBs for sale on CarGurus are rated as good or great deals.

• Favorably reviewed: Owners rated the 2020 Mercedes-Benz GLB 4.14 / 5 stars.

• 81.1% of 2020 GLB models on CarGurus are accident free.

• The 2020 Mercedes-Benz GLB is notable for its impressive technology, spacious interior, and enjoyable driving experience, despite some concerns regarding brake performance and pricing for additional features.

Why it stands out

The 2020 Mercedes-Benz GLB stands out in the compact luxury SUV segment thanks to its spacious interior, which can even accommodate a third row of seating, a feature not commonly found in its class. Beyond its practicality, the GLB is equipped with advanced technology that enhances the driving experience, including a striking dual 10.25-inch infotainment system that responds quickly and offers a high degree of customization. Although its exterior design prioritizes utility over style, the thoughtful layout and generous interior dimensions allow for comfortable seating and excellent visibility for all passengers. Critics and owners alike appreciate the GLB's engaging driving dynamics, as it offers a unique experience that feels more enjoyable than many of its competitors. However, some owners note that the braking system could be improved, and certain desirable features can significantly increase the price.

Other model years to consider

• 2021 Mercedes-Benz GLB

  • Average price: $24,209.00
  • Good/great deal percentage: 34.8%
  • User rating: 5 / 5
  • Total listings: 1,049

• 2022 Mercedes-Benz GLB

  • Average price: $28,356.00
  • Good/great deal percentage: 35.8%
  • User rating: 4 / 5
  • Total listings: 1,270

This analysis is based on CarGurus' proprietary market data from May 18, 2026, CarGurus experts' opinions, and generative AI.