Mercedes-Benz S580 2026– car dimensions: 5304 mm long, 1921 mm wide and 1503 mm high. Unladen weight is 2,270 kg. Braked towing is 2,100 kg.
The cabin features the MBUX Superscreen with a large central OLED touchscreen plus passenger display, wireless Apple CarPlay and Android Auto, and four-zone automatic climate control. Standard driver aids include adaptive cruise control with steering assist, active lane keeping, blind-spot warning with exit alert, automatic emergency braking with cross-traffic function, and parking sensors plus reversing camera with 360-degree views and active park assist. Multicontour massaging seats and air purification add comfort for long journeys.
Boot space measures 530 litres with seats up, enough for several large suitcases on trips.
Braked towing capacity reaches 2100 kg and unbraked 750 kg, with payload around 720 kg. AIRMATIC air suspension is standard and self-levels for loads.
As a luxury long-wheelbase sedan the focus stays on passenger comfort rather than heavy work duties.
The long-wheelbase cabin seats five with 43.8 inches of rear legroom and soft Nappa leather. Active multicontour front seats offer 12- to 14-way power adjustment plus side bolsters that firm up in corners, ten massage programs, and ENERGIZING kinetics that gently shift cushions and lumbar to cut fatigue. Front seats are heated and ventilated as standard. rear heated and ventilated seats plus power footrests come in packages. Acoustic laminated glass and the panorama roof keep the space quiet and bright while the Air Balance system adds fragrance and cleans the air.
EPA fuel economy 17 city / 27 highway mpg
Premium unleaded required. 20.0-gal tank
Service A at 10,000 miles or 1 year. Service B at 20,000 miles or 2 years
4-year/50,000-mile basic and powertrain warranty
Standard PRE-SAFE, ATTENTION ASSIST, blind-spot assist, lane keep, adaptive cruise, surround cameras, up to 15 airbags
No NHTSA or IIHS crash-test ratings published for 2026
The S 580 4MATIC Long uses a 4.0-liter biturbo V8 mild hybrid that delivers 496 hp. Official EPA figures are 17 mpg city and 27 mpg highway for a combined 20 mpg. It runs on premium unleaded and carries a 20-gallon tank.
Service intervals follow the ASSYST system with Service A due every 10,000 miles or one year and Service B every 20,000 miles or two years. Typical work covers synthetic oil and filter changes, fluid checks, cabin filter and brake-fluid replacement on the B visit. No free scheduled maintenance is included.
Safety equipment is extensive and standard. PRE-SAFE systems tighten belts, close windows and can push occupants inward before impact. ATTENTION ASSIST watches for drowsiness. Active Brake Assist, Blind Spot Assist, Lane Keeping Assist, DISTRONIC adaptive cruise and a 360-degree camera suite are fitted. Up to 15 airbags are available. No official crash-test scores have been released for the 2026 model.
Day-to-day ownership is helped by soft-close doors, power trunk lid, AIRMATIC air suspension that levels and smooths the ride, and the four-year/50,000-mile warranty. Higher-mileage items such as spark plugs appear around 50,000–60,000 miles.
Length 5304 mm, Width 1921 mm, Height 1503 mm, Wheelbase 3216 mm (S580 2026-)
Sources: manufacturer data, ADAC and auto-data.net, Mercedes-Benz Media press kit.