The 2025 Mercedes-Benz S450 d 4MATIC Long-Wheelbase, presented in an authoritative Obsidian Black, stands as a definitive statement in the realm of ultra-luxury sedans, blending sophisticated diesel powertrain efficiency with unparalleled opulence and cutting-edge technology. This executive limousine is propelled by a potent 3.0-liter inline-six turbodiesel engine, seamlessly integrated with a mild-hybrid system. This powerplant delivers a robust 367 HP and a substantial 750 Nm (76.5 kgf·m) of torque, providing effortless acceleration and refined power delivery. Power is channeled through Mercedes-Benz’s highly efficient 9G-TRONIC automatic transmission to all four wheels via the intelligent 4MATIC all-wheel-drive system. The S450 d 4MATIC Long-Wheelbase is capable of accelerating from 0–100 km/h (0–60 mph) in a swift 5.4 seconds, with an electronically limited top speed of 250 km/h (155 mph). Its unladen weight, meticulously managed for such a capacious vehicle, is approximately 2,090 kg (4,608 lbs).
As a flagship luxury sedan, the S450 d 4MATIC Long-Wheelbase excels in delivering a sublime ride quality and an exceptional level of refinement. The standard AIRMATIC air suspension, paired with adaptive damping, expertly isolates occupants from road imperfections, creating an eerily quiet and composed cabin environment. The extended wheelbase is specifically engineered to maximize rear passenger comfort and legroom, underscoring its limousine credentials. Advanced chassis technologies, such as available rear-axle steering, significantly enhance maneuverability at low speeds and bolster stability during high-speed cruising. The S-Class’s class-leading aero-acoustics and meticulous noise insulation contribute to its segment-defining serenity, making it an ideal sanctuary for business or relaxation.
The interior of the S450 d 4MATIC Long-Wheelbase is an opulent showcase of contemporary luxury and intuitive technology. The cabin is meticulously crafted with the finest materials, including hand-stitched Nappa leather, exquisite open-pore wood veneers, and elegant metal accents. The MBUX (Mercedes-Benz User Experience) infotainment system forms the digital heart of the car, featuring a striking 12.8-inch OLED central display and a 12.3-inch digital instrument cluster, both offering stunning graphics and highly customizable interfaces. Rear passengers are treated to a first-class experience with electrically adjustable executive seats, often featuring heating, ventilation, massage functions, and dedicated MBUX screens with a removable tablet for comprehensive control over cabin amenities. The active ambient lighting, which can be configured in 64 colors, and the available Burmester 3D surround sound system further enhance the bespoke and immersive atmosphere.
The Mercedes-Benz S-Class has long been the global standard for luxury sedans, a testament to its continuous innovation and uncompromising commitment to comfort, safety, and prestige. The S450 d 4MATIC Long-Wheelbase, in particular, caters to a discerning clientele that values a powerful yet highly efficient diesel engine, combined with the all-weather capability of 4MATIC and the ultimate in passenger comfort. This specific configuration holds strong relevance as a highly practical and supremely luxurious executive vehicle, frequently favored by corporate leaders and private owners seeking exceptional long-distance cruising ability and refined presence. The 2025 model continues to build upon this illustrious heritage, integrating the latest advancements in automotive technology and luxury to ensure its position at the zenith of the luxury sedan segment.
