Used Mercedes-Benz GLB for Sale near O Fallon, IL
225 results
Sponsored by Victory Toyota of St. Louis
Recommended model year:
2021 Mercedes-Benz GLB
Shop 2021 Mercedes-Benz GLB »With 1,040 currently listed for sale and an average price of $24,384.00, 34.1% 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.
85.1% of 2021 GLB models on CarGurus are accident free.
The 2021 Mercedes-Benz GLB-Class impresses with its optional third row, spacious interior, and modern technological features that enhance the driving experience.
FAQs
How much does the Mercedes-Benz GLB cost in O Fallon, IL?
How many Mercedes-Benz GLB vehicles in O Fallon, IL have no reported accidents or damage?
What fuel types are available?
4.5 Overall rating
Customers say
The Mercedes-Benz GLB has impressed many owners with its spaciousness, comfortable ride, and premium features that set it apart in the luxury SUV segment. Reviewers particularly enjoy the versatile seating options and the overall design, while also praising its good fuel efficiency. However, some drivers have noted concerns regarding interior material quality and ride stiffness. Despite these critiques, the GLB consistently delivers a pleasant driving experience with an emphasis on technology and comfort.
AI generated from the text of customer reviews.
Filter by year
Filter by rating
What people say
John S
Reviewed a 2023 Mercedes-Benz GLB on Jan 22, 2026
The 2023 Mercedes-Benz GLB is the perfect blend of luxury, practicality, and performance. It offers a refined interior with premium materials, intuitive technology, and a surprisingly spacious cabin for its class. The ride is smooth and composed, with confident handling that makes both city driving and longer trips enjoyable. What really stands out is the versatility—plenty of cargo space, comfortable seating, and thoughtful features that make everyday driving effortless. The design is modern and upscale without being overdone, and the attention to detail is exactly what you expect from Mercedes-Benz. Overall, the GLB delivers luxury, comfort, and functionality in one well-rounded package. An excellent choice for anyone looking for a premium compact SUV that doesn’t compromise.
Anonymous
Reviewed a 2020 Mercedes-Benz GLB on May 24, 2024
This car is beautiful, has so many premium features, I absolutely love and recommend it
Lauren W
Reviewed a 2021 Mercedes-Benz 250 4MATIC on Jul 24, 2024
Amazing suv for people who want a small SUV. Size of a Nissan Rouge, but with the features and luxury options of a Mercedes.
Gilles M
Reviewed a 2020 Mercedes-Benz 250 4MATIC on Jan 6, 2026
Simple luxury suv that provides great comfort, stylish interior, and decent power.
Mercedes-Benz GLB Trims
| Trim type | MSRP |
|---|---|
| 250 FWD | $43,800 |
| 250 4MATIC | $45,800 |
| AMG 35 4MATIC | $60,600 |
Mercedes-Benz GLB Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of Mercedes-Benz GLB prices has changed over time.
See more price trendsCarGurus recommends the 2021 Mercedes-Benz GLB
Summary
With 1,040 currently listed for sale and an average price of $24,384.00, 34.1% 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.
85.1% of 2021 GLB models on CarGurus are accident free.
The 2021 Mercedes-Benz GLB-Class impresses with its optional third row, spacious interior, and modern technological features that enhance the driving experience.
Why it stands out
The 2021 Mercedes-Benz GLB-Class stands out in the luxury SUV segment by offering a flexible interior layout, highlighted by its optional third row of seating, accommodating up to seven passengers. Its powerful turbocharged 2.0-liter engine delivers a smooth performance with 221 horsepower, while the eight-speed dual-clutch automatic transmission enhances driving dynamics. Combining sleek aesthetics with a host of advanced technology, the GLB-Class features the Mercedes-Benz User Experience (MBUX) infotainment system, ensuring drivers enjoy both comfort and convenience. The GLB's reputation for excellent fit and finish further sets it apart, appealing to buyers seeking a capable and stylish family vehicle.
Other model years to consider
- Average price: $31,162.00
- Good/great deal percentage: 34.4%
- User rating: 5 / 5
- Total listings: 1,029
- Average price: $35,880.00
- Good/great deal percentage: 32.1%
- User rating: 5 / 5
- Total listings: 955
- Average price: $41,384.00
- Good/great deal percentage: 30.6%
- User rating: Not available
- Total listings: 1,323
These recommendations are based on CarGurus' proprietary market data from May 4, 2026, CarGurus experts' opinions, and generative AI.
Recent expert test drives
2020 Mercedes-Benz GLB
- Expert review9/10
- MSRP$36,600-$38,600
- Avg. price$21,308
- User rating4.1429
2021 Mercedes-Benz GLB
- Expert review8/10
- MSRP$38,050-$49,500
- Avg. price$23,992
- User rating5
2022 Mercedes-Benz GLB
- Expert review7/10
- MSRP$38,600-$49,950
- Avg. price$28,189
- User rating4
Relevant articles
The Best Luxury SUVs of 2026
What are you looking for in your next new car? Comfort? Performance? Cargo space? The latest tech and safety features? With a modern luxury SUV, you can blend them all with little sacrifice.
2026 Mercedes-Benz GLB Pricing, Specs, and Release Date
The 2026 Mercedes-Benz GLB, like the sleeker GLA, is a luxury compact crossover available with a new assortment of packages and visual upgrades.
Who Makes Mercedes-Benz Cars?
Mercedes-Benz calls itself ‘the oldest car manufacturer in the world’. Formed by the merger of two formative German car brands in 1926, it continues to sell a huge number and variety of vehicles to this day.
