All-New Mercedes-Benz GLB Revealed: A Compact SUV That Thinks Bigger Than Ever

Designed as a true all-rounder for modern families and active lifestyles, the new-generation GLB blends electric-first thinking, clever packaging and premium digital features into one of the most flexible vehicles Mercedes has ever produced in this size class.

This is not simply a facelift or incremental update. The new GLB represents a ground-up rethink of what an entry-luxury SUV can be — especially as the brand transitions toward electrification. From its bold new exterior design and radically updated cabin to its long-range electric drivetrains and seven-seat capability, the GLB is positioning itself as a genuine “do-everything” vehicle for buyers who want practicality without giving up refinement or innovation.

A Familiar Name, A Completely New Direction

The GLB has always sat in a unique position within Mercedes-Benz’s SUV lineup. Smaller than a GLC but boxier and more practical than a GLA, it has traditionally appealed to buyers who value space efficiency and flexibility over outright sportiness. The new model doubles down on that identity, but adds a layer of sophistication and digital intelligence that pushes it far beyond its predecessor.

Mercedes-Benz describes the new GLB as an “everyday hero”, and that description feels appropriate. It is available as either a five-seat or seven-seat SUV, offers one of the most spacious cabins in its segment, and introduces electric powertrains capable of covering serious distances without compromise.

Crucially, the new GLB is no longer positioned as a niche option within the range. Instead, it plays a central role in Mercedes-Benz’s future compact SUV strategy, bridging the gap between entry-level luxury and genuine family usability.

Electric-First Powertrains With Long-Distance Capability

At launch, the spotlight is firmly on the all-electric GLB models. Two variants will be offered initially, both built around an 85kWh lithium-ion battery and an advanced 800-volt electrical architecture.

The rear-wheel-drive GLB 250+ delivers up to 200kW of power and offers a claimed driving range of up to 631 kilometres under WLTP testing. That figure places it among the longest-range electric SUVs in its class, making it a realistic option for long regional drives rather than just urban commuting.

For buyers wanting more performance and all-weather capability, the GLB 350 4MATIC adds a second electric motor on the front axle, increasing output to 260kW and delivering confident all-wheel-drive traction. Despite the extra performance, efficiency remains a focus, with clever software allowing the front motor to disengage when it is not needed to preserve range.

Fast charging is another highlight. Thanks to the 800-volt system, the GLB can add up to around 260 kilometres of range in as little as ten minutes when connected to a high-power DC charger. For Australian buyers planning long road trips, that capability significantly reduces charging downtime.

Mercedes-Benz has also confirmed that additional electric variants and hybrid options will follow, giving customers a wide choice of powertrains to suit different driving needs and markets.

Designed for Space, Not Just Style

While many compact SUVs prioritise sleek silhouettes at the expense of interior room, the GLB takes the opposite approach. Its upright stance, long wheelbase and squared-off proportions are deliberate design choices aimed at maximising usable space.

The result is a cabin that comfortably accommodates up to seven occupants — a rare achievement in this segment. Access to the third row has been improved, and the rear doors open wider to make everyday use easier, particularly for families with young children.

Headroom and legroom have increased across all rows, while luggage capacity is equally impressive. In five-seat form, the GLB offers generous boot space, and when the rear seats are folded, it transforms into a practical cargo carrier for bulky items. Uniquely, the electric GLB also features a front storage compartment, providing extra space for charging cables or smaller items.

For adventurous owners, towing capability has not been forgotten. Certain versions can tow up to two tonnes, making the GLB suitable for caravans, trailers or weekend toys — a claim few electric SUVs in this size category can make.

A Cabin That Feels Like the Future          

Step inside the new GLB and the transformation is even more striking. The traditional dashboard layout has been replaced by a minimalist, tech-focused design dominated by Mercedes-Benz’s latest digital interface.

The optional MBUX Superscreen stretches across the width of the cabin, integrating the driver display, central infotainment screen and an optional passenger display into a single glass surface. Graphics are sharper, animations smoother and customisation deeper than ever before.

Voice control plays a central role, with the new MBUX virtual assistant capable of handling natural language commands and responding in a more conversational manner. Navigation, media, climate control and vehicle functions can all be accessed without taking hands off the wheel.

Despite the emphasis on digital features, Mercedes-Benz has retained physical controls where they matter most. Steering wheel buttons, a redesigned centre console and intuitive touchpoints ensure the GLB remains easy to use in everyday driving.

Ambient lighting, premium materials and a wide range of interior trims allow buyers to tailor the cabin to their personal taste, whether they prefer understated elegance or a sportier, more expressive look.

Safety and Driver Assistance as Standard

Safety has always been a Mercedes-Benz hallmark, and the new GLB continues that tradition with a comprehensive suite of driver assistance systems.

Advanced sensors, cameras and radar work together to support adaptive cruise control, lane keeping, emergency braking and active steering assistance. These systems are designed not only to intervene in emergencies but also to reduce driver fatigue during long journeys.

In the event of a collision, the GLB is engineered with a strong passenger cell, multiple airbags — including a centre airbag between the front occupants — and intelligent restraint systems that adapt to different crash scenarios.

For families, the availability of multiple ISOFIX anchor points across the second and third rows adds further peace of mind.

Styling That Balances Rugged and Refined

Visually, the new GLB strikes a careful balance between SUV toughness and modern elegance. Its upright grille, muscular wheel arches and short overhangs give it a confident, almost off-road-ready stance, while flush door handles, smooth surfaces and distinctive lighting signatures add a contemporary edge.

The illuminated grille pattern, star-themed lighting elements and connected rear light bar create a strong visual identity, especially at night. Wheel designs range up to 20 inches, allowing buyers to emphasise either comfort or sportiness.

A large panoramic glass roof enhances the sense of openness inside the cabin and can be specified with advanced features that adjust transparency and lighting, turning the interior into a relaxing lounge on long journeys.

What It Means for Australian Buyers

While full Australian pricing and specifications are yet to be confirmed, the new GLB clearly targets buyers who want one vehicle to cover as many roles as possible. It is compact enough for city driving, spacious enough for family duties, capable enough for weekend escapes and advanced enough to feel genuinely future-ready.

In a market increasingly crowded with electric SUVs, the GLB stands out by focusing on real-world usability rather than headline figures alone. Seven seats, long driving range, fast charging and premium refinement are a rare combination — and one that could resonate strongly with Australian families looking to make the switch to electric.