The Mercedes S-Class Cabriolet redefines convertible motoring by fusing flagship sedan refinement with the thrill of roofless driving. This four-seater drop-top delivers effortless power, whisper-quiet cruising, and innovative features that make every journey indulgent. From its potent twin-turbo V8 engines to advanced suspension and wind-deflecting tech, it stands as a grand tourer for those seeking sophistication without compromise.
Design and Exterior Elegance
At first glance, the S-Class Cabriolet exudes timeless Mercedes prestige with its elongated proportions and flowing lines. Measuring over five meters long, it commands attention on any road, its wide stance and prominent grille signaling unapologetic luxury. The multi-layer fabric roof folds neatly into the boot in just 20 seconds, even at speeds up to 37 mph, transforming the car into a sleek speedboat-like cruiser with the top down.
Distinctive elements include the shallow side glass and wide rear haunches that house the roof mechanisms, giving it a muscular yet graceful profile. Available in striking color combinations—like white exteriors with navy tops—it turns heads whether parked or in motion. Despite its bulk, the design avoids sporty aggression, prioritizing elegant poise suitable for coastal boulevards or city avenues.
Interior Opulence and Space
Step inside, and the cabin rivals private jets in comfort. Front seats are multi-adjustable thrones with under-thigh extenders, massage functions, and heating/ventilation options. The microsuede headliner and premium leather create a sybaritic atmosphere, while the center armrest conceals roof controls accessible from either side.
Rear seating accommodates two adults reasonably well, though legroom varies with front seat positions—potentially tight if adjusted fully back. With the roof up, the triple-ply fabric ensures near-coupe levels of insulation; down, it opens a spacious airy realm. Optional mood lighting via the Energizing Comfort Pack enhances relaxation with customizable ambient hues.
- Plush, lounge-like front seats with extensive adjustments
- Generous width for rear passengers
- High-quality materials throughout, including soft-touch surfaces
- Intuitive dual-access roof controls
Performance and Powertrains
Power comes from refined twin-turbo V8s across models. The S500/S550 packs a 4.7-liter unit with 449 hp, sprinting to 60 mph in around 4.5 seconds when paired with the slick nine-speed automatic. The S560 ups this to a 4.0-liter biturbo V8 producing 463 hp and 516 lb-ft of torque, shrugging off the cabriolet’s added 100+ pounds over the coupe effortlessly.
Higher-output AMG variants like the S63 and V12-powered S65 amplify thrill, with seamless shifts that fade into the background during relaxed drives. Rear-wheel drive emphasizes grand touring poise, though the transmission busies itself in traffic before sharpening in Sport mode for spirited runs.
| Model | Engine | Horsepower | 0-60 mph | Fuel Economy (City/Hwy) |
|---|---|---|---|---|
| S550/S500 | 4.7L Twin-Turbo V8 | 449 hp | ~4.6 sec | 17/26 mpg |
| S560 | 4.0L Twin-Turbo V8 | 463 hp | 4.5 sec | 17/26 mpg |
| S63 AMG | 4.0L Twin-Turbo V8 | 603 hp | ~3.5 sec | Lower due to power |
Driving Dynamics and Ride Quality
Behind the wheel, the Cabriolet prioritizes serenity over sharpness. Air suspension smooths out imperfections, excelling on highways by filtering large undulations while retaining composure in corners. Without advanced coupe features like road-scanning Magic Ride Control, it relies on steel springs in base models, yet remains supremely comfortable.
Top-down motoring shines thanks to Aircap—a deployable wind deflector on the windshield header—and optional rear wind blockers, slashing buffeting at A-road or motorway speeds. Drop the side windows for near-silent cruising; turbulence is minimal, allowing conversation without raised voices. Sport mode firms the ride slightly, boosts steering weight, and encourages rhythmic handling on twisty paths, with 20-inch tires gripping confidently.
On coarser surfaces, some graininess filters through, but overall, it’s a heavy, planted machine that devours miles with ease. The nine-speed gearbox shifts imperceptibly, enhancing the effortless feel.
Technology and Driver Assistance
Mercedes packs the S-Class Cabriolet with cutting-edge aids. Standard features include adaptive cruise control, lane-keeping, and automatic emergency braking. The Energizing package syncs lighting, seat massage, and fragrance diffusers for wellness-focused drives. Infotainment via COMAND offers crisp displays, navigation, and connectivity.
- Aircap and wind blockers for turbulence-free open-top driving
- Advanced air suspension with Comfort/Sport modes
- Comprehensive safety suite: blind-spot monitoring, cross-traffic alert
- Multi-zone climate control effective even roof-down
Fuel Efficiency and Practicality
Thirst is a trade-off for luxury; expect 17 mpg city and 26 highway for V8 models, dropping further with AMG tunes. The boot swallows the folded roof but leaves moderate space—ample for weekend getaways. Four-seater usability suits couples or small families, though rear access requires front seats forward.
Ownership Costs and Reliability
Starting around $130,000 for base models, prices climb with options. Running costs reflect premium status: high fuel, insurance, and maintenance, though Mercedes’ build quality promises longevity. It’s less practical than sedans but excels as a fair-weather companion.
Competitors and Market Position
Rivals like the Bentley Continental GT Convertible offer bespoke tailoring, while BMW 8 Series leans sportier. The S-Class distinguishes itself with effortless luxury over outright pace, appealing to those valuing comfort and tech. It can’t match Rolls-Royce serenity but comes close at a fraction of the price.
Frequently Asked Questions (FAQs)
Is the Mercedes S-Class Cabriolet comfortable for long drives?
Yes, its air suspension and wind management make it ideal for extended highway cruising, top up or down.
How fast does the roof operate?
The multi-layer soft top folds or raises in 20 seconds, operable up to 37 mph.
What’s the fuel economy like?
V8 models average 17/26 mpg city/highway; AMG variants are less efficient.
Can rear passengers fit comfortably?
Two adults fit width-wise, but legroom depends on front seats; best for shorter trips.
Does it have advanced driver aids?
Absolutely, including adaptive cruise, lane assist, and Aircap for open-top refinement.
Final Verdict
The Mercedes S-Class Cabriolet captures open-top luxury at its finest: powerful, plush, and technologically advanced. Perfect for sun-soaked escapes, it blends S-Class heritage with convertible joy, outshining rivals in grand touring prowess.
References
- Review: the new Mercedes-Benz S500 Cabriolet — Top Gear. 2016. https://www.topgear.com/car-reviews/mercedes-benz/s500/first-drive
- Mercedes S560 Cabriolet review — Evo. 2018. https://www.evo.co.uk/mercedes/s-class/cabriolet
- 2017 Mercedes-Benz S-class Cabriolet Driven! — Car and Driver. 2017. https://www.caranddriver.com/reviews/a15101858/2017-mercedes-benz-s-class-cabriolet-drive-review/
- (2016-2020) Mercedes-Benz S-Class Cabriolet Review — Carwow. 2020. https://www.carwow.co.uk/mercedes/s-class-cabriolet
- 2018 Mercedes-Benz S560 Cabriolet New Dad Car Review — The Drive. 2018. https://www.thedrive.com/new-cars/24224/2018-mercedes-benz-s560-cabriolet-new-dad-car-review-a-house-priced-convertible-thats-still-a-good-value

