Comparing the Luxury Features Found in the New 2025 Mercedes-Benz GLA and 2025 Mercedes-Benz GLB

The 2025 Mercedes-Benz GLA and GLB take different approaches to compact luxury SUVs, each targeting specific buyer needs with distinct advantages. Both vehicles deliver sophisticated technology, comfort features, and refined styling that stand out in the competitive compact SUV market. Understanding their luxury feature differences helps you determine which model aligns better with your daily driving requirements.

These two Mercedes-Benz models share many core luxury elements while differing in size, seating capacity, and specific amenities. From advanced infotainment systems to premium comfort features, both the GLA and GLB offer compelling luxury experiences with different space configurations and feature sets.

Overview of the 2025 Mercedes-Benz GLA and GLB Models

2025 Mercedes-Benz GLA 250 4MATIC SUV

The GLA 250 4MATIC SUV focuses on sporty luxury in a compact package. This model uses a 2.0L inline-4 turbo engine with mild hybrid drive, producing 221 hp and 258 lb-ft of torque. The mild hybrid system adds 13 hp electrically for enhanced performance and efficiency. Acceleration from 0-100 km/h takes 6.8 seconds.

The GLA measures 4,412 mm in overall length and 1,616 mm in height, making it the more compact option. Inside, the GLA seats five passengers and provides cargo capacity from 435 litres to 1,430 litres with rear seats folded. The vehicle rides on 18-inch twin 5-spoke bicolour wheels as standard.

2025 Mercedes-Benz GLB 250 4MATIC SUV

The GLB 250 4MATIC SUV emphasizes space and versatility while maintaining luxury standards. It uses the same 2.0L inline-4 turbo with mild hybrid drive producing 221 hp and 258 lb-ft of torque. Acceleration reaches 0-100 km/h in 7.0 seconds due to its larger size and weight.

The GLB measures 4,634 mm in length and 1,692 mm in height, providing significantly more interior space. Standard seating accommodates five passengers, with an optional third-row seat package expanding capacity to seven. Cargo space ranges from 570 litres to 1,805 litres, offering more storage than the GLA.

Technology and Infotainment Features

Mercedes-Benz User Experience (MBUX)

Both vehicles feature the advanced MBUX infotainment system with dual 10.25-inch screens. One screen serves as the digital instrument cluster while the other functions as the multimedia touchscreen. The system includes LINGUATRONIC voice control with natural language understanding, activated by saying "Hey, Mercedes." This voice assistant learns from usage patterns and controls various vehicle functions.

Smartphone Integration and Connectivity

Standard wireless Apple CarPlay and Android Auto eliminate cable connections while maintaining full smartphone integration. Both models include front-cabin wireless charging with NFC pairing. A Communications Module (LTE) enables Mercedes me connect services for remote vehicle control and monitoring through a smartphone app.

Audio and Entertainment

Both models feature SiriusXM satellite radio with a six-month trial period. Bluetooth connectivity enables wireless phone calls and audio streaming. Advanced sound system upgrades are available through various trim packages.

Comfort and Convenience Luxury Features

Seating and Climate Control

The GLA and GLB both include power front seats with three-position memory and heated front seats. Both vehicles feature 40/20/40-split folding rear seats for cargo flexibility, though the GLB provides more rear passenger space due to its larger dimensions.

THERMOTRONIC dual-zone automatic climate control comes standard on both models, allowing separate temperature settings for driver and passenger. This system includes double-filtered air for improved cabin air quality.

Interior Atmosphere and Lighting

Standard 64-colour LED ambient lighting with illuminated vents allows cabin atmosphere customization. Both vehicles feature this lighting system that extends to various interior trim elements, creating personalized mood settings.

Panoramic Sunroof and Additional Features

Both the GLA and GLB include a panoramic sunroof as standard equipment, creating an open feeling in the cabin. Additional convenience features include:

• Keyless entry and push-button start through the KEYLESS-GO package
• Power tailgates with hands-free access (EASY-PACK)
• Multiple cupholders and door storage pockets
• USB-C ports throughout the cabin
• Leather steering wheel with touch control buttons and shift paddles

Safety and Driver Assistance Technology

Standard Safety Systems

Both vehicles include Active Brake Assist with autonomous emergency braking, ATTENTION ASSIST for driver drowsiness monitoring, and Blind Spot Assist with Exit Warning feature. Seven airbags provide comprehensive protection, including knee, front-side, window, and front center airbags.

PARKTRONIC with Active Parking Assist enables hands-free parking for parallel and perpendicular spaces. A rearview camera aids backing maneuvers, while Crosswind Assist helps maintain stability in windy conditions.

Advanced Driver Assistance Options

Optional packages include Active Distance Assist DISTRONIC adaptive cruise control, which maintains safe following distances and can bring the vehicle to a complete stop in traffic. Additional features like Traffic Sign Assist and enhanced navigation capabilities are available through trim upgrade packages.

Feature Comparison Table

Package Options and Upgrades

AMG Line Package

Both vehicles offer the AMG Line package, which includes sportier AMG body styling, chrome diamond-block grille, sport steering wheel in Nappa leather, sport front seats, AMG floor mats, brushed stainless steel pedals, and upgraded 19-inch AMG wheels.

Exclusive Trim Package

Available on both models, this package adds MB Navigation, Live Traffic Service, one year of no-charge navigation map updates, Advanced Sound System, Traffic Sign Assist, and illuminated front door sills.

Pinnacle Trim Package

Both vehicles offer a Pinnacle Trim package that includes premium features like 360-degree camera systems, Head-Up Display, MULTIBEAM LED headlamps, LED logo projectors, and MBUX Interior Assistant for gesture control functionality.

GLB-Specific Options

The GLB offers a unique 3rd-row Seat Package, which includes two additional seats, electrically adjustable second-row seats for easier access, and additional USB-C ports for third-row passengers.

Space and Practicality Differences

The choice between these models largely depends on space requirements and intended use. The GLA provides a more compact footprint with sportier performance and dynamic styling. Its dimensions make it well-suited for urban driving while delivering premium features and technology.

The GLB offers appreciably more interior space and cargo capacity, making it better suited for families or frequent passenger and cargo hauling. The optional third-row seating capability distinguishes it in the compact luxury SUV segment, providing seven-passenger capacity in a relatively small footprint.

Both vehicles deliver core Mercedes-Benz luxury features as standard equipment, including the advanced MBUX system, premium materials, comprehensive safety technology, and thoughtful comfort amenities. The decision often centers on whether the additional space and versatility of the GLB align with your specific needs compared to the more agile and compact GLA.

Contact Mercedes-Benz Brampton to schedule a personal consultation and compare the luxury features of both the 2025 GLA and GLB models in person.