Introduction
With its fresh design, fully electric platform, and next-generation technology, the 2027 Mercedes-Benz GLB marks a significant shift for one of the brand’s most versatile compact SUVs. Whether you're considering the switch to electric, exploring luxury seven-seaters, or simply curious about what’s changed, this Q&A-style breakdown highlights the key features and updates that make the redesigned GLB a standout in the segment. Here are ten of the most common questions, answered in detail.
1. Is the 2027 Mercedes-Benz GLB fully electric?
Yes, Mercedes-Benz has engineered the 2027 GLB on an electric-first platform. At launch, it will be offered in two all-electric variants: the GLB 250+ (front-wheel drive, 268 hp) and the GLB 350 4MATIC (all-wheel drive, 349 hp). A plug-in hybrid model will also be available for buyers who prefer a transitional powertrain. This marks a major departure from the previous generation, which started as a gasoline-powered model with electric options added later.
2. What’s the electric driving range of the new GLB?
The GLB 250+ boasts an estimated 631 km of range (WLTP), a best-in-class figure among compact electric SUVs. This level of efficiency makes it possible to complete long-distance routes, such as Toronto to Ottawa or Los Angeles to Las Vegas, on a single charge. The GLB 350 4MATIC, with more power and standard all-wheel drive, offers slightly less range but increased performance.
3. How fast does the 2027 GLB charge?
Thanks to its new 800-volt electrical architecture, the 2027 GLB can add up to 260 km of range in just 10 minutes using a compatible high-speed DC charger. Charging speeds of up to 320 kW are supported. The GLB also includes a built-in converter, allowing drivers to use both 800-volt and 400-volt DC charging stations, making fast charging more accessible across various networks.
4. Has the interior changed much from the previous generation?
Absolutely. The 2027 GLB introduces a completely redesigned cabin, highlighted by the available MBUX Superscreen, a wide, glass-covered panel housing the driver display, central touchscreen, and a passenger-side display. The layout is cleaner, the seating is more ergonomic, and there’s noticeably more space in all three rows, thanks to a longer wheelbase and upright roofline. Second-row seat comfort and legroom are significantly improved.
5. Does the new GLB still offer three rows of seating?
Yes. The 2027 GLB retains its optional seven-passenger configuration, making it one of the only compact luxury SUVs with third-row availability. Access to the third row is easier than before, thanks to larger rear door openings and a longer sliding range for the second row. The third row can accommodate passengers up to 5'5" comfortably, with improved headroom and ingress/egress.
6. How much cargo space does the 2027 GLB offer?
The GLB remains extremely versatile when it comes to storage. The five-seat model offers up to 540 litres of cargo space behind the second row and expands to 1,715 litres with the seats folded. Seven-seat models offer 480 litres and 1,605 litres, respectively. A 127-litre frunk (front trunk) has also been added to provide extra storage, something not available in the previous version.
7. What is the MBUX Superscreen, and how does it work?
The optional MBUX Superscreen spans the dashboard with three high-resolution displays under a single glass panel. It runs on the new Mercedes-Benz Operating System (MB.OS) and includes an AI-enhanced virtual assistant, smartphone-style app organization, and real-time 3D navigation powered by Google Maps. The interface is powered by the Unity game engine, allowing smooth animations and full customization.
8. How smart is the new MBUX system?
It’s one of the smartest systems in the industry. The MBUX Virtual Assistant uses generative AI from ChatGPT, Microsoft Bing, and Google Cloud to carry on multi-step conversations, answer natural language queries, and make contextual suggestions. It remembers previous interactions and updates itself via over-the-air updates, meaning it gets smarter and more personalized over time.
9. Is the 2027 GLB capable off-road or on winter roads?
The GLB 350 4MATIC is designed with all-weather and light off-road capability in mind. It features a TERRAIN drive mode, quick-reacting all-wheel drive, and an innovative “transparent hood” feature that uses the 360° camera system to display a virtual view under the vehicle, helpful when navigating tricky terrain or steep driveways. Adaptive suspension is also available for more comfortable or sportier ride tuning.
10. What makes the 2027 GLB different from the outgoing model overall?
The 2027 GLB is a ground-up reinvention rather than a mere refresh. While it retains the GLB’s boxy charm and versatility, it now rides on an electric-first platform, incorporates leading-edge infotainment and AI, offers dramatically quicker charging, and enhances practicality in nearly every measurable way. From longer range and better tech to a more spacious cabin, the 2027 GLB is a generational leap forward in every category.
Conclusion
The redesigned 2027 Mercedes-Benz GLB is a clear response to the evolving expectations of modern luxury SUV buyers. It merges space, technology, and electrification without compromising everyday usability, making it one of the most compelling and forward-looking vehicles in its class. Whether you're a current GLB owner or considering your first electric vehicle, the new GLB delivers answers to questions you didn’t even know you had.
