Mercedes-Benz’s AMG models have long been known for their powerful engines and aggressive driving dynamics. However, with the advent of the electrified era, things at AMG are changing. The 2025 Mercedes-Benz AMG GLC 63 S E Performance is a plug-in hybrid model that showcases the brand’s move towards cold, technical precision and improved efficiency.
Replacing the traditional V-8 engine is a 2.0-liter turbo-4 that produces 469 horsepower and 404 lb-ft of torque. It is paired with a 9-speed automatic transmission with a wet clutch. The electric power comes from a 201-hp motor located in the rear, which is powered by a 6.1-kWh battery. This powertrain, also found in the C 63 S E Performance sedan, delivers a total system output of 671 hp and 752 lb-ft of torque.
Behind the wheel of the GLC 63 S E Performance, the first thing you notice is the absence of noise. In Comfort mode, the gas engine remains off, and the vehicle emits a faint humming sound from its exterior-mounted speaker. However, stepping on the accelerator reveals the true power of the hybrid system. The turbocharger spools up quickly, resulting in minimal turbo lag. The GLC 63 S E Performance accelerates rapidly, reaching 0-60 mph in 3.4 seconds.
On the highway, the GLC 63 S E Performance offers a quiet and comfortable ride. The adaptive dampers and air suspension provide a relaxed and smooth driving experience. However, things get more exciting on country roads. Switching to Sport and Sport+ modes enhances the vehicle’s performance capabilities. The adaptive suspension firms up, and the rear-wheel steering system, along with the electromechanical stabilizer bars, help improve agility and cornering ability. The GLC 63 S E Performance feels composed and balanced, showcasing AMG’s engineering prowess.
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One area where the GLC 63 S E Performance falls short is the brakes. The combination of regenerative and friction braking lacks bite, and there is a wooden feeling through the pedal. Mercedes will offer carbon-ceramic brakes as an option, which might alleviate the issue.
The GLC 63 S E Performance also offers different levels of regenerative braking. However, during the initial drive, changing these levels proved challenging. The battery also had limited capacity, preventing the use of higher levels of regen. The engine can still fire up even in Electric Mode, providing additional power when needed. There are four levels of regenerative braking, but Level 4 doesn’t provide true one-pedal driving capabilities. Levels 0 and 1 are the most practical for daily driving, offering slight or no additional braking force.
While Mercedes has yet to disclose charging times for the GLC 63 S E Performance, the 6.1-kWh battery should charge relatively quickly on a Level 2 240-volt charger.
With the introduction of the AMG GLC 63 S E Performance, Mercedes-Benz is combining precise performance with improved efficiency. By replacing the V-8 engine with a hybrid powertrain, the brand is adapting to the electrified era. The GLC 63 S E Performance offers a powerful driving experience, showcasing AMG’s engineering capabilities. While there are some issues with the brakes and regen levels, overall, this compact SUV represents a step towards a more electrified and precise future for AMG.
