Manufacturing year 2023
A Comprehensive Overview
Let’s Dive In
The 2025 Mercedes-Benz S 400 redefines executive luxury with a seamless fusion of sophisticated design, cutting-edge technology, and refined performance. Ideal for drivers who expect effortless comfort and engaging dynamics, the S 400 stands out in the full-size sedan segment. This article dives into every key aspect—from its expressive exterior to its advanced safety suite—so you can decide if it’s the perfect flagship for your next premium purchase.
Design & Exterior Highlights
The S 400 presents a sculpted profile that balances aerodynamic efficiency with timeless elegance. Its signature LED High Performance headlights flank a bold grille, while subtle contours along the bodywork emphasise its poised stance.
- Panoramic sliding sunroof with one-touch open/close and tilt functions
- 19-inch twin-five-spoke alloy wheels as standard; optional 20-inch wheels for a sportier look
- Chrome window surrounds and side-skirt accents reflecting light for added presence
- Active grille shutters that close automatically at cruising speeds to improve aerodynamics and warm the engine faster in cold weather
Interior Comfort & Luxury Features
Stepping inside the S 400 cabin is an exercise in sensory refinement. Hand-stitched Nappa leather covers every surface you touch, while genuine wood and brushed aluminum trim bring a tasteful contrast. Ergonomics and ambient design work together to cocoon occupants in both luxury and functionality.
- Premium Nappa leather upholstery offered in five curated colour themes
- Front seats with heating, ventilation, and a 10-point air-cell massage system
- Executive rear seating option featuring motorised leg rests, reclining backrests, and a folding centre console
- Ambient interior lighting system with 64 customisable colour settings, adjustable intensity, and mood presets
Performance & Powertrain Specifications
At its core, the 2025 S 400 marries a turbocharged 3.0 L inline-6 engine with the EQ Boost mild-hybrid system. This synergy delivers smooth, immediate throttle response and recovers energy under braking to assist acceleration or power onboard electronics.
| Specification | Details |
|---|---|
| Engine | 3.0 L inline-6 turbo with EQ Boost |
| System Output | 362 hp at 5 800 rpm |
| Peak Torque | 500 Nm between 2 000–4 000 rpm |
| Transmission | 9-speed 9G-TRONIC automatic |
| 0–100 km/h (0–62 mph) | 5.5 seconds |
| Top Speed | 250 km/h (electronically limited) |
| Drive Configuration | Rear-wheel drive standard; 4MATIC optional |
Cutting-Edge Technology & Infotainment
Mercedes-Benz’s MBUX (Mercedes-Benz User Experience) system places intuitive control at your fingertips. Dual 12.3-inch high-resolution displays span the dashboard, and advanced AI understands natural speech, making every command effortless.
- Natural Language Voice Control activated by “Hey Mercedes”
- Augmented reality navigation overlays for turn-by-turn guidance directly on the centre display
- Wireless Apple CarPlay and Android Auto for seamless smartphone integration
- Burmester® 3D Surround Sound system with 15 strategically placed speakers
Advanced Safety & Driver-Assistance Systems
A comprehensive suite of sensors and cameras underpins the S 400’s commitment to occupant protection and accident prevention. From adaptive cruise control to emergency braking, these systems act proactively to keep you safe.
- Active Distance Assist DISTRONIC® adaptive cruise control with stop-and-go capability
- Active Steering Assist to help maintain lane position on highways
- Evasive Steering Assist that detects sudden obstacles and provides steering support
- Pre-Safe® Impulse Side that prepares occupants before a side collision
- Night View Assist PLUS with infrared pedestrian and animal detection
Fuel Efficiency & Real-World Driving
Thanks to the EQ Boost mild-hybrid system, the S 400 achieves class-leading efficiency without compromising performance. Energy recuperation and auto start-stop features further reduce consumption in everyday driving.
- Combined fuel consumption (WLTP): approximately 8.5 L/100 km
- EQ Boost electric assist providing up to 20 kW during acceleration
- Sailing mode for coasting with the engine off at steady speeds
- Custom drive modes: Eco, Comfort, Sport, Sport+, and Individual
Pricing, Trims & Availability
The 2025 Mercedes-Benz S 400 starts at an estimated USD 112 000. Mercedes-Benz offers several packages to tailor the S 400 to your preferences:
- Premium Package: Adds heated outer rear seats and the Burmester® surround-sound system
- Executive Package: Extends rear legroom, includes a refrigerated centre console, and ambient fragrance dispenser
- AMG Line: Features sport-tuned suspension, AMG exterior styling, and larger performance wheels
Global deliveries begin in Q3 2025. Markets in Europe and Asia may also see the S 400 d diesel variant and plug-in hybrid options in the near future.
Conclusion
With its masterful blend of avant-garde technology, sumptuous comfort, and engaging performance, the 2025 Mercedes-Benz S 400 sets a new benchmark for luxury sedans. Whether you’re enjoying the executive lounge-like rear cabin or orchestrating the powertrain from behind the wheel, the S 400 delivers an uncompromising experience that few rivals can match.
Eager to showcase the S 400 in high-impact branded videos, SEO-optimised social media posts, or a detailed spec comparison infographic? Let’s collaborate to craft content that captures every facet of this flagship sedan.
