Upcoming Mercedes-Benz GLC with EQ Technology Maintains Range in Sub-Zero Tests

The all-electric Mercedes-Benz GLC has conquered some of the most demanding winter conditions on Earth, demonstrating exceptional range preservation and performance during extensive Arctic testing. Camouflaged prototypes of this groundbreaking electric SUV recently completed rigorous trials in Sweden's polar region, facing temperatures plunging below -13°F while navigating snow-covered roads and frozen landscapes.

This winter testing program is a crucial milestone for Mercedes-Benz as the GLC—already the brand's global best-seller in 2024—transitions into its all-electric chapter. Engineers pushed these vehicles to their limits, validating that the electric GLC delivers on its promise of uncompromised performance, even when confronting winter's harshest challenges.

Advanced Battery Technology That Thrives in Cold

At the heart of the electric GLC's cold-weather capability lies its revolutionary battery system. The vehicle features sophisticated 800-volt architecture that significantly reduces charging times while maintaining impressive range, even in frigid conditions.

The premier battery variant supports DC fast charging with sustained rates exceeding 320 kW, addressing one of winter EV ownership's primary concerns. The advanced battery cells utilize silicon oxide blended into graphite anodes, achieving exceptional gravimetric energy density while reducing weight—crucial factors that enhance vehicle efficiency and real-world usability in challenging weather.

Various high-voltage battery options will be available, differing not just in capacity but in cell chemistry, allowing buyers to select configurations aligned with their specific driving needs and climate conditions.

Intelligent Thermal Management System

The GLC EQ transforms winter driving through its standard air-side heat pump system that dramatically improves energy efficiency. This innovative system consumes approximately one-third of the electrical energy that a comparable electric heater would require to achieve identical output.

As a multi-source system, the heat pump simultaneously harnesses three energy sources: waste heat from both the electric drive unit and battery, plus ambient air. This approach delivers exceptional temperature comfort while preserving range—a critical balance in sub-zero conditions.

The system also preconditions the high-voltage battery to its optimal temperature range before fast charging, enabling consistently high charging performance regardless of ambient temperatures. During testing in Sweden's polar region, this technology maintained comfortable cabin temperatures even during rapid charging sessions, proving that efficiency doesn't require compromising passenger comfort.

Superior Traction Control and Handling

The electric GLC demonstrated exceptional ride quality and handling on the icy roads of Swedish Arjeplog, thanks to its advanced 4MATIC all-wheel-drive system. The AWD models feature powerful front-axle drive units that can be swiftly engaged or disengaged using a Disconnect Unit when needed.

Sensors detect wheel spin and distribute torque according to driving conditions, with both electric motors controlled independently to maintain optimal traction. This intelligent power management ensures driving force remains consistent even on snow and ice.

The rear axle's electric drive unit—developed entirely by Mercedes-Benz—delivers impressive power while maintaining efficiency through high-performance power electronics featuring silicon carbide inverters.

Innovative Braking System for Winter Safety

Beyond its responsive all-wheel drive capabilities, the GLC EQ introduces an innovative braking system that combines previously separate brake booster, master cylinder, and ESP control components into a compact module. This integration delivers confident brake pedal feel with precise, consistent feedback—crucial for driver confidence in winter conditions.

The system meticulously optimizes braking energy recuperation to extend range while ensuring that drivers experience transparent, predictable brake response regardless of whether braking occurs through recuperation or traditional friction. Safety remains paramount, with the ability to reliably switch to a hydraulic fallback level if needed.

Comprehensive Testing Protocol

Mercedes-Benz has subjected the electric GLC to more than 500 individual tests as part of its development program, plus over 100 drive-specific evaluations tailored for electric vehicle technology. These tests evaluate everything from cold-start performance with a chilled battery to real-world driving range, charging cable handling, and optimized energy recuperation.

The company's dedicated testing center in Arjeplog—located near the Arctic Circle—features specialized tracks with challenging hill climbs, varying friction coefficients, and handling courses on frozen lakes. These environments impose significant demands on drive and control systems, ensuring the GLC delivers Mercedes-Benz quality in every situation.

Contact us today at Mercedes-Benz Boucherville to learn more about the upcoming Mercedes-Benz GLC with EQ Technology.