Future of Luxury: 2027 Mercedes S580 4Matic Puts Its Best Foot Forward in First Test!

The Mercedes-Benz S-Class has long established itself as an automotive icon, symbolizing unparalleled status, engineering excellence, and maximal luxury in the minds of car enthusiasts and the general public alike. For vehicles that achieve such legendary status, the inherent challenge lies in evolving continuously while faithfully retaining their recognizable identity. This brings us to the latest iteration, the 2027 Mercedes S580 4Matic, a model poised to meet and potentially exceed the high expectations set by its predecessors.

At first glance, the S580 4Matic adheres to the S-Class's familiar form factor and recognizable shape, which might initially mask its profound advancements. However, as discerning observers quickly discover, this vehicle possesses a commanding presence and an array of sophisticated features beneath its refined exterior, leading some to consider it the best S-Class yet.

Central to the S580's capabilities is its all-new 4.0-liter twin-turbo flat-plane-crank V-8 engine, designated the M177 Evo. This powerplant is arguably the perfect choice to motivate the new S580. Mercedes powertrain engineers designed this engine with a strong focus on efficiency and global emissions compliance, integrating the Miller cycle—a design that closes intake valves earlier than conventional Otto cycle engines to reduce pumping and compression losses. Beyond its environmental benefits, this design also contributes to remarkably quiet and smooth operation.

Furthermore, all flat-plane-crank V-8s inherently feature symmetrical combustion, which increases exhaust velocity, thereby spooling the turbos quicker for enhanced responsiveness. While flat-plane V-8s are typically associated with second-order vibrations (twice the speed of engine rpm)—a characteristic tolerated in supercars but unacceptable for an S-Class—Mercedes-Benz has ingeniously addressed this. They employ a pair of balance shafts within the M177 Evo engine to effectively cancel these unwanted vibrations, ensuring the serene ride quality expected from an S-Class.

In terms of performance, the 4.0-liter engine, coupled with a 48-volt electric motor, delivers a robust 530 horsepower and 533 lb-ft of torque. The electric motor further enhances the torque curve, providing an augmented sense of power from a standstill. In rigorous testing, this 5,347-pound luxury sedan achieved an impressive 0-60 mph time of 4.1 seconds. While this was a couple of tenths shy of the manufacturer-advertised 3.9 seconds, factors such as triple-digit summer heat or California's 91-octane gasoline were considered potential contributors to the slight variance. Overall, test drivers lauded the engine as a sweet-sounding, smooth-revving piece of engineering artistry, noting only a minor, almost imperceptible touch of throttle lag.