Used Mercedes-Benz GLB for Sale nearCastle Rock, CO

How much does the Mercedes-Benz GLB cost in today's market?

Used Mercedes-Benz GLB prices span a wide range depending on model year. Here's what the market looks like right now:

The Mercedes-Benz GLB's current nationwide average price is $33,024, and its nationwide average price reached a low of $32,830 over the past year. Recently, prices have come down for the 2023, 2024, and 2025 models, making now a good time to shop recent model years.

Is the Mercedes-Benz GLB a good car?

Yes — the Mercedes-Benz GLB earns strong marks from owners for its spacious cabin, comfortable ride, premium feel, and versatile seating. The all-generations owner rating is 4.5/5 across every model year in the data.

Owners repeatedly praise the GLB for its roomy interior, practical design, and upscale technology, and many also like its fuel efficiency. The trade-offs that come up most often center on interior material quality and ride firmness.

Expert reviews rate the 2020 and 2021 models among the highest across all years.

The main compromises show up in the firmer ride, the more demanding controls, and the way some versions can feel noisy or less polished in everyday driving. 34.3% of listings are priced as good or great deals.

Are Mercedes-Benz GLB models reliable?

Owners consistently describe the GLB as spacious, comfortable, and well-equipped, with a premium feel that stands out in the luxury SUV class. Expert commentary also points to its practical layout, versatile seating, and strong technology focus.

• Owners rate the Mercedes-Benz GLB between 4.0 and 5.0 out of 5 stars across all model years in the data.

For used buyers, the long-term ownership picture looks strongest when you prioritize well-kept examples with the equipment and condition that match your needs.

What should I look for when buying a used Mercedes-Benz GLB?

Across all model years, accident-free inventory is excellent at 91.6% — clean inventory, standard diligence applies.

Key things to evaluate:

• Infotainment: Mercedes-Benz User Experience (MBUX) infotainment system with a 10.25-inch digital gauge cluster and a 10.25-inch touchscreen infotainment system.
• Fuel efficiency: The official EPA fuel economy rating for the AMG GLB35 is 22 mpg in combined driving, down from 25 mpg for the GLB 250 4Matic. We averaged 21.8 mpg on our testing loop, nearly matching the EPA estimate.

Which Mercedes-Benz GLB trim should I buy?

The 2022 Mercedes-Benz GLB offers these trims:

• GLB250: The GLB250 is the value pick, with front-wheel drive or 4Matic all-wheel drive, and it suits shoppers who want the GLB’s practical cabin and everyday usability at the more accessible starting point.
• AMG GLB35: The AMG GLB35 adds the more powerful drivetrain, AMG SpeedShift eight-speed dual-clutch automatic transmission, AMG Performance variable 4Matic AWD, AMG Sport Exhaust system, AMG High-Performance Braking System, AMG Ride Control adaptive damping sport suspension, and Direct Steer for buyers who want the performance-focused version.

What Mercedes-Benz GLB do most buyers choose?

The Mercedes-Benz GLB years with the most listings are 2025, 2022, and 2026.

Higher-volume years usually give you more choices, which can make it easier to compare prices, equipment, and condition. They also tend to be the years shoppers return to most often when they want a broad selection of used GLB listings.

What is the Mercedes-Benz GLB's resale value?

Most GLB model years are showing clear year-over-year price declines, which can work in your favor if you’re shopping used. The biggest drops are concentrated in the newer model years, while the older years show smaller declines by comparison. That pattern gives you more room to find value across the lineup.

The 2023, 2022, and 2020 model years have held their value best, with the smallest year-over-year price changes.

Is the Mercedes-Benz GLB safe?

• 2022: 9/10
• 2021: 8/10
• 2020: 10/10

The 2022 Mercedes-Benz GLB includes the Driver Assistance Package, which adds 12 driving assistance and collision-avoidance technologies.

For the safest used buy, the 2020 model posts the highest confirmed score of 10/10.

Should I buy a used Mercedes-Benz GLB now or wait for the next model?

Buy now if:

• Price trend: The 2025 model is at −16.09% versus a year ago, and the 2024 model is at −13.91%.
• Deal availability: The 2025 model has 32.3% good and great deals, and the 2024 model has 36.5%.
• Sweet-spot year: The 2025 model has the most listings at a current average price of $36,778. The Mercedes-Benz GLB offers a roomy cabin and versatile seating that make it especially appealing for everyday family use.

Consider waiting if:

• Powertrain/efficiency: Both versions of the GLB employ a turbocharged 2.0-liter four-cylinder engine, and the AMG GLB35 produces 302 horsepower and 295 pound-feet of torque.
• Tech: In the AMG GLB 35, MBUX includes a 10.25-inch digital gauge cluster and a 10.25-inch touchscreen infotainment system.
• Safety: The Driver Assistance Package adds 12 desirable driving assistance and collision-avoidance technologies, including adaptive cruise control and lane-centering assistance.
• Starting price: Prices kick off at $38,600 for the 2022 Mercedes GLB250 with front-wheel drive.

If you're buying used today, the 2025 model year offers the best mix of value and availability. If you want the latest tech and features, it may be worth waiting for the next model year's inventory to build up.

These recommendations are based on CarGurus' proprietary market data from September 29, 2026, CarGurus experts' opinions, and generative AI.