The 2026 Mercedes-Benz S-Class has been unveiled to the world, and it’s far more than a routine facelift. According to the German marque, this is the most comprehensive mid-cycle update the S-Class has received. Half a decade later, after the W223-series flagship sedan first debuted, the upgraded 2026 Mercedes-Benz S-Class is here with more than 50 per cent of the car revised or re-engineered.
At its core, the update reinforces what the S-Class has always stood for: effortless comfort, cutting-edge technology, class-leading safety and unmistakable presence. Leading the changes in 2026 are a new AMG-developed V8 engine and a major step forward in software and digital capability.
Biggest changes at a glance
Mercedes says that around 2,700 components have been updated. Here are the most important highlights of the 2026 Mercedes-Benz S-Class facelift:
- Brand-new AMG-developed V8 engine
- New illuminated design elements and lighting tech
- Latest MB.OS operating system
- Upgraded driver assistance and parking systems
- More rear-seat luxury and productivity features
- Expanded Manufaktur personalisation options
New V8 engine headlines the update
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The biggest mechanical talking point is the arrival of a new-generation V8. The 2026 Mercedes-Benz S-Class introduces a 4.0-litre twin-turbo petrol V8, known internally as the M177 Evo.
Developed by AMG, the engine uses a flat-plane crankshaft for improved response and refinement, and features 48-volt mild-hybrid technology to smooth out acceleration and reduce fuel use.
Mercedes-Benz S-Class V8 performance figures (S 580 4MATIC)
| Specification | 2026 S-Class |
| Engine | 4.0L twin-turbo V8 |
| Power | 393kW |
| Torque | 750Nm |
| Hybrid system | 48V mild-hybrid |
| Transmission | 9-speed automatic |
| Drive | All-wheel drive |
Despite the performance bump, Mercedes says fuel consumption at 10.6L/100km remains unchanged compared to the outgoing V8.
Six-cylinder petrol, diesel and plug-in hybrid versions continue, all refined for quieter operation, smoother delivery and better efficiency.
2026 Mercedes-Benz S-Class design upgrades
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Visually, the 2026 Mercedes-Benz S-Class avoids flashy redesigns, but subtle detailing helps it feel more distinctive and upmarket.
Exterior updates include:
- Optional illuminated Mercedes star on the bonnet (a first)
- 20% larger illuminated grille
- New Digital Light headlights with micro-LED tech
- Star-inspired LED tail-lights
- “Mercedes-Benz” welcome projection onto the ground
- New 19-, 20- and 21-inch wheel designs
Mercedes says the updated Digital Light system is around 40% brighter, with a high-beam range of up to 600 metres, while using less energy than before.
Ride comfort remains S-Class benchmark
Comfort remains the Mercedes-BenzS-Class’s strongest suit.
- AIRMATIC air suspension is standard
- E-ACTIVE BODY CONTROL remains optional
- Cloud-based suspension data prepares the car for bumps ahead
- Rear-axle steering is now standard
The rear wheels can turn up to 4.5 degrees, or up to 10 degrees with the optional system, making the large sedan easier to park and more stable at highway speeds.
In simple words, it still floats over rough roads, but feels less intimidating in tight spaces.
Interior tech is powered by MB.OS
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The updated Mercedes-Benz S-Class introduces MB.OS, Mercedes-Benz’s new operating system that runs infotainment, comfort systems and driver assistance from a single software backbone.
Key cabin tech upgrades:
- Standard MBUX Superscreen
- Latest “Hey Mercedes” AI voice assistant
- Google Maps-based navigation with augmented reality
- Over-the-air software updates
- Improved MB.DRIVE driver assistance systems
Parking assistance has also been upgraded, with faster manoeuvres, better space recognition and the ability to help exit a space even after manual parking.
Rear seat
The long-wheelbase Mercedes-Benz S-Class continues to prioritise rear-seat passengers, effectively turning the back of the car into a mobile lounge or rolling office.
Rear-seat highlights:
- Reclining, sculpted seats
- Folding tables
- Refrigerated compartment
- Wireless charging and fast USB-C ports
- Two detachable MBUX remote controls
- 13.1-inch rear displays with video conferencing
- Streaming apps including Disney+ and RIDEVU
Mercedes has also expanded trim and material choices for the rear centre console, adding another layer of personalisation.
Sound, comfort and air quality
To enhance the overall cabin experience, the S-Class offers:
- Burmester 3D or 4D surround sound
- Dolby Atmos support
- New heated seat belts (up to 44°C)
- Smart air vents that move automatically
- Advanced cabin air filtration and ionisation
Mercedes says the goal is simple: passengers should arrive feeling calmer than when they left.
Mercedes keeps safety in the spotlight
The Mercedes-Benz S-Class continues to serve as the brand’s safety showcase.
- Up to 15 airbags
- Enhanced PRE-SAFE® systems
- Smarter restraint deployment
- Improved rear-seat occupant protection
Many of these advanced safety features are expected to trickle down to other Mercedes-Benz models over time.
Manufaktur personalisation expands further
Personalisation is another major focus of the 2026 update.
Manufaktur highlights:
- 150+ exterior paint colours
- 400+ interior colour combinations
- Bespoke leather and trim options
- One-to-one consultations
- Near one-off specifications possible
For buyers who want something truly unique, Mercedes says almost anything is negotiable.
When will the 2026 Mercedes-Benz S-Class arrive in Australia?
The 2026 Mercedes-Benz S-Class is expected to arrive in Australia in the fourth quarter of 2026, with pricing and local specifications to be confirmed closer to launch.
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