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2023 Mercedes-Benz GLB-Class Overview, Reviews, Ratings & Specs

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Jovan | September 29, 2025
The 2023 Mercedes-Benz GLB-Class is a distinctive compact luxury SUV, part of its first generation introduced in 2020. Known for its boxier, more utilitarian styling, it offers a surprisingly spacious interior and an optional third row of seating, a rarity in its segment. Key trims include the GLB 250, GLB 250 4MATIC, and the performance-oriented AMG GLB 35. With new pricing ranging from approximately $40,000 to over $55,000, it stands out for its blend of Mercedes-Benz luxury, advanced technology, and practical versatility, appealing to families and urban dwellers alike.
The Good

The 2023 GLB-Class offers numerous advantages, blending Mercedes-Benz prestige with practical utility. Buyers appreciate its spirited performance, comfortable and well-appointed interior, and distinctive, boxy design that maximizes space, including an optional third row. It delivers respectable fuel efficiency and advanced technology, appealing to both emotional desires for luxury and brand appeal, and practical needs for versatility, safety, and a premium ownership experience.

The Bad

Known weaknesses for the 2023 GLB-Class include a cramped optional third row suitable only for small children, and a ride that can feel firm, especially with larger wheels. Some find the MBUX infotainment system initially complex, and while refined, the base engine can sometimes feel less powerful when the vehicle is fully loaded.

2023 Mercedes-Benz GLB-Class: Quick Overview

  • Engine Options:
    • GLB 250 / GLB 250 4MATIC: 2.0-liter turbocharged inline-4 engine.
    • AMG GLB 35: AMG-enhanced 2.0-liter turbocharged inline-4 engine.
  • Horsepower:
    • GLB 250: 221 hp and 258 lb-ft of torque.
    • AMG GLB 35: 302 hp and 295 lb-ft of torque.
  • Fuel Economy (EPA Estimated):
    • GLB 250 FWD: 24 city / 32 highway / 27 combined MPG.
    • GLB 250 4MATIC: 22 city / 30 highway / 25 combined MPG.
    • AMG GLB 35: 20 city / 27 highway / 23 combined MPG.
  • 0-60 MPH Acceleration:
    • GLB 250 (FWD/4MATIC): Approximately 6.6 - 6.7 seconds.
    • AMG GLB 35: Approximately 5.2 seconds.
  • Towing Capacity: The 2023 Mercedes-Benz GLB-Class is generally not rated for significant towing in the U.S. market, or towing is not recommended.
  • Key Trim-Level Features:
    • GLB 250: Standard features include a 2.0L turbo engine, 8-speed dual-clutch transmission, 18-inch alloy wheels, LED headlights/taillights, power liftgate, dual 7-inch digital displays (instrument cluster and touchscreen infotainment) with MBUX multimedia system, voice control, Apple CarPlay® and Android Auto™, MB-Tex synthetic leather upholstery, dual-zone automatic climate control, and active brake assist.
    • GLB 250 4MATIC: Adds Mercedes-Benz's 4MATIC all-wheel-drive system and an Off-Road Engineering Package, enhancing traction and control in various conditions.
    • AMG GLB 35: Elevates performance with the 302-hp AMG-enhanced engine, AMG SPEEDSHIFT DCT 8-speed transmission, AMG Performance 4MATIC AWD, AMG sport suspension, high-performance braking system, distinctive AMG body styling, Panamericana grille, sport seats, AMG Nappa leather steering wheel, and standard dual 10.25-inch digital displays. This trim focuses on a more dynamic driving experience with enhanced agility and sportier aesthetics.
    • Notable Optional Features & Packages: Available options include the Premium Package (larger 10.25-inch displays, power-folding mirrors, keyless entry), Multimedia Package (MB Navigation, augmented video for navigation), Driver Assistance Package (active distance assist DISTRONIC, active steering assist, blind spot assist), Parking Assistance Package, genuine leather upholstery, panoramic sunroof, Burmester® Surround Sound System, and various wheel upgrades.

2023 Mercedes-Benz GLB-Class Specifications

Vehicle Information
Year 2023
Make Mercedes-Benz
Model GLB-Class
Trim -
Style SUV
Type Sport Utility Vehicle
Category Standard Sport Utility Vehicle
Manufacturing Details
Made In Germany
Manufacturing City AGUASCALIENTES
Dimensions
Doors 4-Door
Curb Weight 1754.95 kg
Gross Vehicle Weight Rating 2721.55 kg
Overall Height -
Overall Length 465.07 cm
Overall Width -
Wheelbase Length 282.96 cm
Standard Seating 5
Engine & Performance
Engine 2.0-L I4
Engine Size 2L
Engine Cylinders 4
Transmission 8-Speed Automatic
Transmission Type Automatic
Transmission Speeds 8-Speed
Drivetrain All-Wheel Drive
Additional Features
Anti-Brake System 4-Wheel ABS
Steering Type Rack & Pinion
Pricing
Manufacturer Suggested Retail Price (MSRP) $51,500 USD
Invoice Price -
Delivery Charges $995 USD

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What Problems Does the 2023 Mercedes-Benz GLB-Class Have?

As a relatively new model introduced in 2020, the 2023 Mercedes-Benz GLB-Class is still building its long-term reliability track record. However, early owner reports and expert reviews generally point to a well-engineered vehicle with robust build quality, consistent with Mercedes-Benz's recent strides in reliability.
While widespread systemic issues are not commonly reported for the 2023 model year, some owners across its early production run (2020-2022) have occasionally mentioned minor points to watch for. These include:
  • MBUX System Glitches: Early iterations of the sophisticated MBUX infotainment system sometimes exhibited occasional software glitches, freezing, or slow responsiveness. Mercedes-Benz typically addresses these through software updates, often over-the-air or during scheduled service appointments.
  • Transmission Characteristics: The 8-speed dual-clutch transmission (DCT) paired with the 2.0L turbo engine can sometimes exhibit slight hesitation at very low speeds or during specific downshift scenarios, a characteristic common to DCTs, rather than a defect.
  • Minor Interior Noises: A small number of owners have reported isolated incidents of minor rattles or squeaks from the interior trim, which can sometimes be resolved by dealership service.
Regarding recalls, the 2023 GLB-Class has had a few specific safety campaigns:
  • One notable recall involved a potential issue where the fuel pump might shut down, leading to a loss of motive power. This affected several Mercedes-Benz models, including certain GLB vehicles, and required a software update.
  • Another recall addressed a potential for a loose 12V ground connection that could lead to various electrical malfunctions, also impacting a broad range of models including the GLB.
  • A specific, though low-volume, recall concerned the second-row seat backrest potentially not latching correctly, posing an injury risk in a crash.
Owners should always check the NHTSA website using their VIN for any outstanding recalls. Long-term reliability concerns typically align with luxury vehicles: while well-maintained, the complexity of its advanced electronics and specialized components can lead to higher repair costs as the vehicle ages beyond its warranty period.

How long will the 2023 Mercedes-Benz GLB-Class last?

With diligent maintenance and care, the 2023 Mercedes-Benz GLB-Class is expected to offer a long service life, typically exceeding 150,000 miles and potentially reaching 200,000 miles or more, equating to 10-15 years of reliable ownership. Its fundamental mechanical components, including the engine and transmission, are generally robust when serviced according to Mercedes-Benz's schedule with genuine parts and fluids.
Long-term durability is a hallmark of the brand, but like all luxury vehicles, the GLB can exhibit certain weaknesses over extended periods. The sophisticated electronic systems and numerous sensors may eventually develop issues, leading to costly diagnoses and repairs. Suspension components can wear, particularly on vehicles with larger wheels exposed to rough roads. While the MBUX system is advanced, its technology may become dated or less responsive over time, and eventual component failures are possible. Proactive maintenance is key to mitigating these potential long-term costs and ensuring optimal performance and longevity.

What Technology & Safety Features are Included?

The 2023 Mercedes-Benz GLB-Class is replete with advanced technology, entertainment, and a comprehensive suite of driver-assistance and safety features, upholding the brand's commitment to luxury and innovation.

For Built-in Tech and Entertainment, the GLB comes standard with dual 7-inch digital displays for the instrument cluster and infotainment, housed within the intuitive MBUX (Mercedes-Benz User Experience) system. MBUX supports natural language voice control ("Hey Mercedes"), touchscreen input, and a console touchpad controller. Apple CarPlay® and Android Auto™ are standard, alongside multiple USB-C ports. Optional upgrades include stunning dual 10.25-inch displays, a crisp Burmester® Surround Sound System, wireless device charging, and augmented video for navigation, which overlays street names and directions onto a live camera feed.

In terms of Driver-Assistance Features, the GLB offers a robust package. Standard safety aids include Active Brake Assist, which can help prevent frontal collisions, and ATTENTION ASSIST®, monitoring driver drowsiness. The optional Driver Assistance Package significantly enhances capabilities, adding Active Distance Assist DISTRONIC® (adaptive cruise control with route-based speed adaptation), Active Steering Assist (lane-centering), Active Lane Keeping Assist, Active Blind Spot Assist, Active Lane Change Assist, and Evasive Steering Assist. PRE-SAFE® PLUS can detect an impending rear-end collision and prepare the vehicle and occupants.

Core Safety Features include a comprehensive airbag system, a rearview camera, Crosswind Assist, and a Tire Pressure Monitoring System. Optional features further include Active Parking Assist, which can automatically steer the vehicle into parallel or perpendicular parking spaces.

Regarding Crash-Test Ratings, the 2023 GLB-Class is expected to carry over the strong performance of previous model years. The 2020-2022 GLB models earned the prestigious "Top Safety Pick+" award from the Insurance Institute for Highway Safety (IIHS) when equipped with specific optional headlights and front crash prevention systems. It received "Good" ratings in all IIHS crashworthiness tests (small overlap front, moderate overlap front, side, roof strength, head restraints & seats). Its optional front crash prevention system (vehicle-to-vehicle and vehicle-to-pedestrian) achieved "Superior" ratings. The National Highway Traffic Safety Administration (NHTSA) had not issued an overall star safety rating for the 2023 GLB at the time of publication, but its comprehensive safety suite provides strong reassurance.

What Colors Options are Available?

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In the meantime, feel free to explore the other sections for more content.

2023 Mercedes-Benz GLB-Class Prices and Market Value

When new, the 2023 Mercedes-Benz GLB-Class started with an MSRP of approximately $40,080 for the GLB 250 FWD, around $42,080 for the GLB 250 4MATIC, and roughly $52,650 for the performance-oriented AMG GLB 35, with options significantly increasing these figures.
As of mid-2024, current used market prices for a 2023 GLB will typically see a depreciation of 15-20% from its original equipped MSRP, placing values roughly in the $35,000 to $45,000+ range, depending heavily on trim, mileage, and condition. Mercedes-Benz GLB models generally demonstrate reasonable depreciation for a luxury compact SUV, often holding value better than some luxury sedans. Factors heavily influencing resale value include low mileage, immaculate condition, complete service records, desirable optional packages (e.g., Driver Assistance, Premium Package), and overall market demand for versatile luxury crossovers. Higher trims, particularly AMG models, often retain a stronger percentage of their original value.

2023 Mercedes-Benz GLB-Class Cost of Ownership

Owning a 2023 Mercedes-Benz GLB-Class typically entails higher long-term costs compared to a mainstream vehicle. Insurance premiums are above average due to its luxury status, advanced technology, and higher potential repair expenses. The GLB requires premium unleaded fuel, contributing to a higher fuel bill despite its respectable MPG for a luxury SUV. Maintenance costs are significantly higher than non-luxury brands, with specialized service intervals (A and B services) and dealership labor rates. Repairs, when needed, are also expensive, owing to the high cost of genuine Mercedes-Benz parts and the complexity of its systems. Overall, the GLB-Class is a costly vehicle to own over the long term, though competitive within its compact luxury SUV segment, emphasizing its premium ownership experience rather than economy.

2023 Mercedes-Benz GLB-Class Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity 35.58 liters
City Mileage 4.55 km/l
Highway Mileage 3.36 km/l

2023 Mercedes-Benz GLB-Class Safety Rating

NHTSA
Overall Rating
Overall Frontal Star Rating
Side Overall Star Rating
Overall Rollover Star Rating
Combined Front Seat Rating
Combined Rear Seat Rating
Overall Frontal Star Rating
Frontal Barrier Star Ratings Not Tested
Overall Side Star Rating
Side Barrier Star Ratings
Side Pole Star Rating
Combined Side Barrier And Side Pole Star Ratings Not Tested
Rollover Resistance Star Rating

2023 Mercedes-Benz GLB-Class Warranty

Basic
Original warranty 48 months / 50,000 miles
Estimated remaining 24 months / 50,000 miles
Powertrain
Original warranty 48 months / 50,000 miles
Estimated remaining 24 months / 50,000 miles
Rust
Original warranty 48 months / 50,000 miles
Estimated remaining 24 months / 50,000 miles

2023 Mercedes-Benz GLB-Class Insurance

Insurance for a 2023 Mercedes-Benz GLB-Class is moderately priced, reflecting its status as a Sport Utility Vehicle with strong safety ratings and
reasonable repair costs.

How Does the 2023 Mercedes-Benz GLB-Class Compare to Other Sport Utility Vehicle?

The 2023 Mercedes-Benz GLB-Class competes fiercely in the compact luxury SUV segment against formidable rivals like the BMW X1, Audi Q3, and Volvo XC40.

In terms of Performance, the GLB 250's 221-hp engine offers a strong base, often feeling more energetic than the standard powertrains in the Audi Q3 and Volvo XC40, and on par with the BMW X1. The AMG GLB 35, with its 302 hp, stands out as a genuine performance leader in the class, providing exhilarating acceleration that few rivals can match, often surpassing the sportier versions of the X1 or Q3. While its handling is composed, the X1 might offer a slightly more dynamic and engaging driving feel for enthusiasts.

Regarding Features, the GLB's MBUX infotainment system, with its "Hey Mercedes" voice command and available dual 10.25-inch screens, is a highlight, offering intuitive operation and cutting-edge graphics. The unique optional third-row seating also provides unparalleled versatility in this segment, a feature none of its direct competitors offer. Rivals like the Audi Q3 boast the sophisticated Virtual Cockpit, while the Volvo XC40 integrates a Google-based infotainment system, all offering a high level of technology.

For Reliability, as a newer model, the GLB is still establishing its long-term track record, though early signs are positive. While luxury brands generally don't match the top-tier reliability of some Japanese counterparts, it's competitive within its German segment. For perceived long-term reliability and lower ownership costs, alternatives like the Lexus UX (though smaller and less powerful) or even a slightly larger Acura RDX might be considered "better" for some buyers prioritizing trouble-free ownership.

Pricing for the GLB is competitive, generally aligning with the BMW X1 and Audi Q3, often starting slightly higher than the Q3 or XC40 but justified by its brand prestige, superior interior space, and unique third-row option.

Alternatives & Recommendations:
  • For a Sportier Drive: The BMW X1 offers a more engaging driving dynamic, though with less interior flexibility than the GLB.
  • For Conventional Luxury & Refinement: The Audi Q3 provides a sleek design, sophisticated interior, and advanced tech, but without the GLB's generous rear legroom or third row.
  • For Design & Safety: The Volvo XC40 is a compelling choice, known for its distinctive styling, strong safety credentials, and comfortable cabin, albeit with a less powerful base engine.
  • For Max Practicality: The GLB is hard to beat in its class due to the optional third row and boxier cargo space.

Final Verdict: Is the 2023 Mercedes-Benz GLB-Class a Good Sport Utility Vehicle?

The 2023 Mercedes-Benz GLB-Class is an ideal vehicle for a specific demographic: urban families or individuals seeking the prestige and advanced technology of a Mercedes-Benz in a compact, yet surprisingly versatile, package. It's perfect for those who appreciate its distinctive, utilitarian design and the unique option of a cramped but usable third row for occasional child transport. It caters to buyers who prioritize interior space, brand cachet, and a comfortable ride over outright sporty handling.

For these buyers, the GLB-Class is definitely worth buying. Opting for a new model offers the full warranty and ability to customize, while a slightly used 2020-2022 GLB 250 4MATIC can be an excellent value, allowing you to bypass the steepest initial depreciation while still enjoying a modern luxury SUV. The GLB 250 4MATIC is generally the sweet spot, balancing performance, all-weather capability, and features. The AMG GLB 35 is recommended for those who prioritize thrilling performance and are willing to pay the premium. However, reconsider the optional third row if adult seating is a priority, as it's primarily child-sized.

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Jovan

Jovan specializes in interpreting vehicle records and making sense of VIN data. With over 10 years of experience in the automotive data industry, his work ensures that every report is clear, accurate, and useful for car buyers.