Used 2020 Mercedes-Benz GLB for Sale nearGreensboro, NC

How much does the 2020 Mercedes-Benz GLB cost?

Prices have softened 11.98% compared to this time last year, making it a favorable time to shop this model year.

There are 560 listings available, which suggests solid inventory for shoppers comparing options.

Is the 2020 Mercedes-Benz GLB a good car?

Generally — the 2020 Mercedes-Benz GLB earns a 4.1/5 user rating and an 8.5/10 expert rating. The model scores 10/10 across Form and function, Technology, and Safety.

Owners consistently praise its great design, premium features, and versatility, with many also noting its comfortable size. The GLB’s practical packaging and impressive technology come through clearly in both owner feedback and expert testing, and it also gets credit for being enjoyable to drive.

The trade-offs are worth keeping in mind: the brakes are a weak point, and the features many buyers want can push the price up quickly. In context, this is a small luxury SUV aimed at shoppers who value everyday usefulness as much as premium branding, and that balance is a big part of its appeal.

Good and great deals account for 32.5% of listings, which gives you some room to shop selectively.

Is the 2020 Mercedes-Benz GLB reliable?

Owners rate it 4.1/5, a solid signal of long-term satisfaction.

Owner feedback points to a vehicle that feels dependable in daily use, with praise centered on its premium features, versatility, and comfortable size. The expert drive also emphasizes that the GLB’s advanced driver-assistance and collision-avoidance systems operate with accuracy and refinement, which supports confidence in everyday ownership.

The GLB also includes a free emergency call service for as long as you own it, which adds a useful ownership perk. For used buyers, the main long-term risk is less about outright durability and more about whether a higher-spec example has been maintained well enough to justify its premium equipment.

What should I look for when buying a used 2020 Mercedes-Benz GLB?

Accident-free inventory is solid at 82% — always verify the vehicle history report.

You should still check the history report carefully, because even a strong accident-free share does not guarantee the specific vehicle you’re considering has a clean past. A pre-purchase inspection should focus on the brakes, since they’re called out as a weak point, and on the condition of the interior materials and any expensive option packages. It also makes sense to confirm that the features you want are actually present, because desirable equipment can raise the price quickly.

Key things to evaluate:

• Trim level: The GLB 250 is the core trim, and the available 4Matic version adds all-wheel drive. Base versions use standard 7-inch screens, while the Premium Package upgrades to twin 10.25-inch displays and adds blind-spot warning, keyless entry, and engine start.
• Powertrain: A turbocharged 2.0-liter four-cylinder makes 221 horsepower and 258 lb-ft of torque, paired with an eight-speed dual-clutch automatic transmission. Front-wheel drive is standard, and 4Matic AWD is available.
• Safety package: The standard safety suite includes a driver monitoring system, backup camera, forward collision warning with pedestrian detection, automatic emergency braking, and Pre-Safe front collision preparation. The optional Driver Assistance Package adds adaptive cruise control, lane-centering assistance, evasive steering assistance, automatic emergency stop assistance, and additional Pre-Safe enhancements.
• Infotainment: MBUX is standard, with Android Auto, Apple CarPlay, and natural voice recognition. The Premium Package upgrades the standard 7-inch screens to twin 10.25-inch displays, and the Multimedia Package adds navigation with augmented video.
• Fuel efficiency: The expert test loop returned 21.4 mpg, versus an expected 26-mpg estimate from the EPA.

Which 2020 Mercedes-Benz GLB trim should I buy?

The 2020 Mercedes-Benz GLB is offered in 2 trim levels: GLB 250 and GLB 250 4Matic.

Here's the short version:

• GLB 250: This is the starting point, and it gives you the GLB’s core appeal: a practical cabin, strong technology, and the turbocharged 2.0-liter engine. It makes the most sense if you want the lowest entry price and plan to keep options in check.
• GLB 250 4Matic: This is the better pick if you want all-wheel drive and the added traction that comes with it. It suits buyers who expect to drive in worse weather or simply want the more capable setup.

The safety package is strongest when you add the optional Driver Assistance Package, while the Premium Package is the upgrade that most improves the everyday experience.

Is now a good time to buy a used 2020 Mercedes-Benz GLB?

This is a moderate market for selective buyers, with enough inventory and enough deal activity to reward careful shopping.

• Deal availability: 32.5% of listings are priced as good or great deals.
• Inventory: There are 560 listings available.
• Price trend: Prices have softened 11.98% compared with last year.
• Clean inventory: 82.0% of listings are accident-free.

If you find a listing below $20,109, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2020 Mercedes-Benz GLB's resale value?

The current average of $20,191 sits slightly below last year's $22,940.

That softer pricing suggests the GLB has already absorbed a meaningful amount of depreciation, which can help future sellers if they buy at the right price. If you shop carefully now, you may have less downside left than a buyer who paid closer to the original market peak. Strong equipment and a premium badge can still support demand, but condition and option content will matter a lot when it’s time to resell.

Vehicles with solid owner satisfaction ratings, like this model year's 4.1/5, tend to retain buyer demand, which supports resale value over time.

Is the 2020 Mercedes-Benz GLB safe?

It earns a 10/10 safety score from our experts.

Several safety features are standard on the Mercedes-Benz GLB. You get a driver monitoring system, a backup camera, forward collision warning with pedestrian detection, automatic emergency braking, and a Pre-Safe front collision preparation system. Emergency call service is also standard and remains free for as long as you own the GLB.

Most of the GLB’s available safety features come in the optional Driver Assistance Package, which adds adaptive cruise control, lane-centering assistance, evasive steering assistance, automatic emergency stop assistance, and additional Pre-Safe enhancements. Blind-spot monitoring with Exit Warning Assist is also available.

Should I buy a 2020 Mercedes-Benz GLB or consider a different year?

If you're weighing the 2020 against nearby model years, here's how to think about it:

Choose the 2020 if:

• 32.5% of listings are priced as good or great deals.
• Accident-free inventory is solid at 82% — always verify the vehicle history report.
• Price trend: Prices have softened 11.98% compared with last year.
• Owners rate it 4.1/5 — a solid satisfaction signal.
• The 2020 stands out for its practical packaging, strong technology, and utility-first approach.

Consider the 2021 if:

• At $22,924, the 2021 costs more than the current year's $20,191 average.
• It adds an optional third row that raises seating capacity to seven.

The bottom line: If you want the better value, the 2020 is the smarter starting point because it’s cheaper and already well-liked by owners. If you need extra seating and can stretch your budget, the 2021 is the more family-friendly choice.

How does the 2020 Mercedes-Benz GLB compare to the 2020 BMW X1?

Read our full side-by-side expert comparison here.

These recommendations are based on CarGurus' proprietary market data from October 21, 2026, CarGurus experts' opinions, and generative AI.