Home > News & Blogs > 2020 Mercedes-Benz GLB Review: A Compact SUV with Rare Third-Row Seating
2020 Mercedes-Benz GLB Review: A Compact SUV with Rare Third-Row Seating
The Mercedes-Benz GLB: A Compact SUV with Big Capabilities
Key Takeaways: The Mercedes-Benz GLB combines the practicality of a three-row SUV with premium luxury features in a compact package. Its boxy design maximizes interior space while offering advanced technology and multiple drivetrain options.
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Positioning in the Mercedes SUV Lineup
The Mercedes-Benz GLB occupies a strategic position in the brand's SUV portfolio, slotting between the sportier GLA and the more luxurious GLC. This compact luxury SUV distinguishes itself with:
- Optional third-row seating (a rarity in this class)
- More upright, traditional SUV proportions compared to Mercedes' other crossover offerings
- Enhanced practicality without sacrificing premium features
The GLB competes in an emerging segment of compact three-row SUVs that includes:
- Land Rover Discovery Sport
- Volkswagen Tiguan
- Lexus RX-L (stretched version)
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Exterior Design: Rugged Sophistication
Breaking from Mercedes' recent SUV designs, the GLB features a more squared-off, upright silhouette that prioritizes interior space while maintaining brand elegance. Key exterior elements include:
Distinctive Styling Features
- Boxier profile reminiscent of the G-Class but in a smaller package
- Tall greenhouse with generous window area for excellent visibility
- Abundant body cladding for a rugged, off-road-capable appearance
- Minimal sharp creases with soft, rounded transitions between surfaces
Front-End Design
- Prominent rectangular grille with large Mercedes star
- Choice of single- or double-bar trim treatments
- Optional full-LED lighting (headlights and foglights)
Practical Rear Design
- Minimally sloped roofline for maximum headroom
- Tall, square liftgate for easy cargo loading
- Balanced proportions that avoid the stubby look of some compact SUVs
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Interior: Premium Flexibility
The GLB's cabin demonstrates Mercedes' expertise in combining luxury with practicality, offering configurations for either five or seven passengers.
Cabin Technology
- MBUX (Mercedes-Benz User Experience) infotainment system
- Dual 10.25-inch displays (instrument cluster and multimedia)
- Voice control with natural language processing
- Available augmented reality navigation
- Optional color head-up display
Seating Configurations
| Feature | Five-Seat Version | Seven-Seat Version |
|---|---|---|
| Second Row | 40/20/40 split-folding bench | 40/20/40 split-folding bench with 6" fore/aft adjustment |
| Third Row | N/A | Two occasional-use seats |
| Cargo Space (behind 2nd row) | 20 cubic feet | Varies with seat position |
| Maximum Cargo Space | 62 cubic feet | Reduced due to third row |
Third-Row Amenities
While compact, the optional third row includes thoughtful features:
- Dedicated USB-C charging ports
- Storage cubbies on both sides
- Integrated cup holders
- LATCH anchors for child seats
- Side-window airbags for protection
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Performance and Drivetrain Options
The GLB offers a single powertrain configuration at launch, with variations in drivetrain layout:
Engine Specifications
- 2.0L turbocharged inline-4 (M260 engine)
- 221 horsepower @ 5,500 rpm
- 258 lb-ft of torque @ 1,800-4,000 rpm
- 8-speed dual-clutch automatic transmission
Drivetrain Options
- Front-wheel drive (base configuration)
- 4MATIC all-wheel drive (available option)
4MATIC All-Wheel Drive Details
- Front-biased torque distribution (up to 70:30 in normal driving)
- Off-Road mode locks center differential at 50:50 split
- Includes hill descent control
- Special off-road display pages in MBUX system
Suspension and Handling
- Front: MacPherson strut setup
- Rear: Multi-link independent suspension
- Optional adaptive dampers for improved ride comfort
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Safety and Driver Assistance Features
The GLB comes equipped with Mercedes' latest safety technologies, including:
Standard Safety Equipment
- Active Brake Assist (automatic emergency braking)
- Attention Assist (drowsiness monitoring)
- Crosswind Assist
- Rain-sensing wipers
Available Driver Assistance Packages
- Active Distance Assist DISTRONIC (adaptive cruise with stop-and-go)
- Active Steering Assist (lane centering)
- Active Lane Change Assist
- Route-Based Speed Adaptation (uses navigation data)
- Active Parking Assist with 360-degree camera
- Evasive Steering Assist
Third-Row Safety
- Additional side-window airbags
- Reinforced rear structure
- LATCH anchors for child seats
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How the GLB Compares to Key Rivals
| Model | Seating | Base Engine | Cargo Space | Starting Price |
|---|---|---|---|---|
| Mercedes-Benz GLB | 5 or 7 | 221 hp 2.0T | 20-62 cu ft | Mid-$30,000s |
| Land Rover Discovery Sport | 5 or 7 | 246 hp 2.0T | 21-65 cu ft | Mid-$30,000s |
| Volkswagen Tiguan | 5 or 7 | 184 hp 2.0T | 12-65 cu ft | Low-$20,000s |
| Lexus RX-L | 7 | 290 hp 3.5L V6 | 7-58 cu ft | Mid-$40,000s |
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Who Should Consider the Mercedes-Benz GLB?
The GLB is ideal for buyers who:
- Want Mercedes-Benz prestige in a practical package
- Occasionally need third-row seating but don't want a larger SUV
- Prefer traditional SUV proportions over coupe-like styling
- Value advanced technology and safety features
- Want the option of occasional light off-road capability
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Final Thoughts
The Mercedes-Benz GLB successfully fills a gap in the luxury compact SUV segment by offering genuine seven-passenger capability without moving into midsize SUV dimensions. Its combination of premium materials, advanced technology, and versatile packaging makes it stand out in a crowded market. While the third row is best suited for children or occasional adult use, its very presence gives the GLB an advantage over most competitors in this class.
For buyers who need Mercedes' three-pointed star but require more practicality than the GLA or GLC offer, the GLB presents a compelling option that doesn't force owners to compromise on either luxury or functionality.
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Last Updated On Jul, 16-2025