New 2027 Mercedes AMG GLS 63 Gets Major V8 Upgrade

The Mercedes AMG GLS 63 has always occupied a unique place in the performance sport utility vehicle segment. It combines the practicality of a full size luxury family vehicle with the kind of power and driving experience normally associated with high performance sports cars. For 2027, Mercedes AMG is giving its flagship sport utility vehicle another significant update, and the biggest talking point is what sits beneath the hood.

At first glance, the changes might seem subtle. The exterior receives a refreshed appearance with a redesigned front fascia, an updated AMG grille, revised lighting elements, and new wheel designs. These updates help the GLS 63 maintain a modern and aggressive presence while keeping the familiar shape that has made it one of the most recognizable luxury sport utility vehicles on the road.

The real story begins with the engine. Mercedes AMG has introduced an evolved version of its famous 4.0 liter twin turbocharged V8. While enthusiasts were worried that increasingly strict emissions regulations might eventually force the company to abandon the V8 altogether, Mercedes AMG has found a way to keep the engine alive. The updated powerplant now features a flat plane crankshaft design, marking a major engineering change for the brand.

The revised V8 produces 603 horsepower and 627 pound feet of torque. Supporting the engine is a 48 volt mild hybrid system that can contribute an additional 23 horsepower and 151 pound feet of torque during certain driving situations. The result is a powertrain that delivers strong performance while meeting modern efficiency and emissions requirements.

Performance remains impressive for a vehicle of this size. Mercedes AMG estimates a 0 to 60 miles per hour sprint of just 3.9 seconds. Top speed is electronically limited to 174 miles per hour. Those figures place the GLS 63 among the fastest three row luxury sport utility vehicles available today.

Beyond straight line speed, the GLS 63 continues to benefit from advanced chassis technology. AMG Ride Control Plus air suspension, adaptive dampers, active roll stabilization, and intelligent all wheel drive systems work together to improve handling and comfort. Drivers can enjoy a smooth ride during daily commuting and switch to a more aggressive setup when road conditions allow.

Inside, Mercedes AMG has focused on improving technology and user experience. The cabin continues to offer three rows of seating, premium materials, and exceptional comfort. New software updates bring the latest infotainment features, while the updated operating system provides faster responses and improved connectivity. The AMG steering wheel has also been revised, giving drivers easier access to performance functions.

Luxury remains a major part of the GLS 63 experience. Buyers can choose from additional MANUFAKTUR customization options, premium trim materials, and advanced comfort features. The combination of handcrafted luxury and supercar level performance continues to be a defining characteristic of the model.

Perhaps the most important takeaway is that Mercedes AMG is demonstrating its commitment to performance enthusiasts. In an era where many manufacturers are downsizing engines or moving entirely to electric power, the company has invested in preserving the character of its V8 while adapting it for the future.

The 2027 Mercedes AMG GLS 63 may look like a luxury family vehicle, but beneath its sophisticated exterior lies one of the most powerful and technically advanced sport utility vehicles on the market. For buyers seeking space, comfort, technology, and genuine high performance, the updated GLS 63 continues to set a very high standard.