Used 2021 Mercedes-Benz GLB for Sale near Lancaster, PA

## Summary - With 1,024 currently listed for sale on CarGurus and an **average price of $24,421.00**, 35.3% 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 4.83 / 5 stars. - **85.4% of 2021 GLB models on CarGurus are accident free**. - The 2021 Mercedes-Benz GLB-Class is a versatile luxury SUV with an optional third row, increasing passenger capacity and boosting family-friendly usability. ## Why it stands out The 2021 Mercedes-Benz GLB distinguishes itself in the compact luxury SUV segment with its flexible interior layout and option for a third row, accommodating up to seven passengers when needed. Its modern, aesthetically pleasing design incorporates high-end materials and technology, making it a standout choice for buyers seeking sophistication and functionality. The turbocharged 2.0-liter engine provides decent performance, clocking a 0-60 mph time of 6.9 seconds, while its fuel efficiency and optional all-wheel drive make it suitable for various driving conditions. Though the third row may feel cramped for adults, the overall spaciousness and premium features like the MBUX infotainment system and advanced safety technologies enhance the driving experience. The expert reviews offer solid scores across different categories, showing that the GLB balances luxury and practicality without a hefty price tag. ## Other model years to consider - **[2023 Mercedes-Benz GLB](https://www.cargurus.com/Cars/l-Used-2023-Mercedes-Benz-GLB-c32605)** - Average price: $30,779.00 - Good/great deal percentage: 30.6% - User rating: 5 / 5 - Total listings: 991 - **[2022 Mercedes-Benz GLB](https://www.cargurus.com/Cars/l-Used-2022-Mercedes-Benz-GLB-c31985)** - Average price: $27,978.00 - Good/great deal percentage: 33.1% - User rating: 4.75 / 5 - Total listings: 1,159 - **[2024 Mercedes-Benz GLB](https://www.cargurus.com/Cars/l-Used-2024-Mercedes-Benz-GLB-c32831)** - Average price: $36,073.00 - Good/great deal percentage: 33.6% - User rating: 5 / 5 - Total listings: 1,241 This analysis is based on CarGurus' proprietary market data from March 2, 2026, CarGurus experts' opinions, and generative AI.