# Mercedes-Benz S-Class specs and mpg by year - **Latest year:** 2027 - **MPG (combined):** 14-23 - **Drive:** AWD - **Years covered:** 2015-2027 ## Quick answer The 2027 Mercedes-Benz S-Class is a large car rated at 14-23 mpg combined. Engines: 6.0L V12 turbo; 3.0L V6 turbo hybrid; 4.0L V8 turbo hybrid. ## Every 2027 Mercedes-Benz S-Class version | Version | Engine | Drive | Transmission | City/Hwy | Combined | Fuel cost / year | CO2 | | --- | --- | --- | --- | --- | --- | --- | --- | | S500 4matic | 3.0L V6 turbo hybrid | AWD | Automatic | 20/28 | 23 mpg | $3,550 | 386 g/mi | | S580 4matic | 4.0L V8 turbo hybrid | AWD | Automatic | 16/24 | 19 mpg | $4,350 | 464 g/mi | | S580 4matic Maybach | 4.0L V8 turbo hybrid | AWD | Automatic | 15/24 | 18 mpg | $4,550 | 489 g/mi | | Maybach S680 4matic | 6.0L V12 turbo | AWD | Automatic | 12/20 | 14 mpg | $5,850 | 610 g/mi | Each row is a version the EPA tested. Fuel cost assumes 15,000 miles a year (55% city) at national average prices; CO2 is tailpipe emissions. ## Mercedes-Benz S-Class specs by year | Year | Engines | Transmission | Drive | MPG (combined) | | --- | --- | --- | --- | --- | | 2027 | 6.0L V12 turbo; 3.0L V6 turbo hybrid; 4.0L V8 turbo hybrid | Automatic | AWD | 14-23 | | 2026 | 3.0L V6 turbo hybrid; 4.0L V8 turbo hybrid; 6.0L V12 turbo | Automatic | AWD | 15-23 | | 2025 | 3.0L V6 turbo hybrid; 6.0L V12 turbo; 4.0L V8 turbo hybrid; 4.0L V8 turbo plug-in hybrid; 3.0L V6 turbo plug-in hybrid | Automatic | AWD | 15-24 | | 2024 | 4.0L V8 turbo hybrid; 3.0L V6 turbo hybrid; 6.0L V12 turbo | Automatic | AWD | 15-24 | | 2023 | 3.0L V6 hybrid; 4.0L V8 turbo hybrid; 6.0L V12 turbo; 3.0L V6 turbo plug-in hybrid | Automatic | AWD | 14-23 | | 2022 | 3.0L V6 hybrid; 4.0L V8 turbo hybrid; 6.0L V12 turbo | Automatic | AWD | 15-24 | | 2021 | 4.0L V8 turbo; 3.0L V6 hybrid; 4.0L V8 turbo hybrid | Automatic | 4WD, RWD | 17-24 | | 2020 | 3.0L V6 turbo; 4.0L V8 turbo; 6.0L V12 turbo; 3.0L V6 turbo plug-in hybrid | Automatic | 4WD, RWD | 16-23 | | 2019 | 3.0L V6 turbo; 4.0L V8 turbo; 6.0L V12 turbo; 3.0L 4-cyl turbo plug-in hybrid | Automatic | 4WD, FWD, RWD | 16-23 | | 2018 | 4.0L V8 turbo; 3.0L V6 turbo; 6.0L V12 turbo | Automatic | 4WD, FWD, RWD | 16-22 | | 2017 | 5.5L V8 turbo; 4.7L V8 turbo; 6.0L V12 turbo; 3.0L V6 turbo plug-in hybrid | Automatic | 4WD, RWD | 16-26 | | 2016 | 4.7L V8 turbo; 5.5L V8 turbo; 6.0L V12 turbo; 3.0L V6 turbo plug-in hybrid | Automatic | 4WD, RWD | 15-26 | | 2015 | 4.7L V8 turbo; 5.5L V8 turbo; 6.0L V12 turbo; 3.0L V6 turbo plug-in hybrid | Automatic | 4WD, RWD | 15-26 | EPA combined ratings. MPGe is the EPA efficiency measure for electric cars. Ranges cover every engine and drivetrain EPA tested for that year. ## How has the S-Class changed over the years? - **2027:** combined mpg went from 15-23 to 14-23. - **2026:** dropped 4.0L V8 turbo plug-in hybrid and 3.0L V6 turbo plug-in hybrid. - **2025:** added 4.0L V8 turbo plug-in hybrid and 3.0L V6 turbo plug-in hybrid. - **2024:** added 3.0L V6 turbo hybrid; dropped 3.0L V6 hybrid and 3.0L V6 turbo plug-in hybrid. - **2023:** added 3.0L V6 turbo plug-in hybrid. - **2022:** added 6.0L V12 turbo; dropped 4.0L V8 turbo; AWD became available; 4WD and RWD was dropped. - **2021:** added 3.0L V6 hybrid and 4.0L V8 turbo hybrid; dropped 3.0L V6 turbo, 6.0L V12 turbo and 3.0L V6 turbo plug-in hybrid. - **2020:** added 3.0L V6 turbo plug-in hybrid; dropped 3.0L 4-cyl turbo plug-in hybrid; FWD was dropped. - **2019:** added 3.0L 4-cyl turbo plug-in hybrid. - **2018:** added 4.0L V8 turbo and 3.0L V6 turbo; dropped 5.5L V8 turbo, 4.7L V8 turbo and 3.0L V6 turbo plug-in hybrid; FWD became available. - **2017:** combined mpg went from 15-26 to 16-26. ## What does it cost to run a S-Class? The EPA puts the 2027 Mercedes-Benz S-Class's fuel cost at **$3,550-$5,850 a year**, against about $2,392 for other current large car: roughly 96% more. Over five years at 15,000 miles a year that is about $23,500 in fuel. ## S-Class vs rivals | Model | Powertrains | Fuel economy | Range | Fuel cost / year | | --- | --- | --- | --- | --- | | [Hyundai Sonata](/vehicles/hyundai-sonata) | Gas, Hybrid | 26-51 mpg | -- | $1,300-$2,600 | | [Acura Integra](/vehicles/acura-integra) | Gas | 24-32 mpg | -- | $2,550-$3,400 | | [Kia K5](/vehicles/kia-k5) | Gas | 27-30 mpg | -- | $2,250-$2,500 | | [BMW 7 Series](/vehicles/bmw-7-series) | Hybrid, Plug-in hybrid | 20-28 mpg | -- | $2,950-$4,100 | | [Genesis G80](/vehicles/genesis-g80) | Electric, Gas | 18-23 mpg | 300 mi | $800-$4,550 | | [Audi A8](/vehicles/audi-a8) | Hybrid | 22 mpg | -- | $3,750 | | [Porsche Panamera](/vehicles/porsche-panamera) | Gas | 21 mpg | -- | $3,900 | | [Genesis G90](/vehicles/genesis-g90) | Gas, Hybrid | 20-21 mpg | -- | $3,900-$4,100 | Other current large car from other makes, most efficient first. ## Frequently asked questions ### What mpg does the 2027 Mercedes-Benz S-Class get? The 2027 Mercedes-Benz S-Class is EPA-rated at 14-23 mpg combined, depending on engine and drivetrain. Real-world mileage varies with speed, climate and load. ### What engine does the 2027 Mercedes-Benz S-Class have? The 2027 Mercedes-Benz S-Class comes with: 6.0L V12 turbo; 3.0L V6 turbo hybrid; 4.0L V8 turbo hybrid. It uses automatic transmission and is offered with AWD. ### Is there a hybrid Mercedes-Benz S-Class? Yes. The Mercedes-Benz S-Class has been offered as a hybrid and a plug-in hybrid in some model years; the table above shows which. ### Which Mercedes-Benz S-Class year gets the best gas mileage? In the EPA data, the 2017 Mercedes-Benz S-Class has the highest combined rating, up to 26 mpg. Ratings for the same model can change between years when engines or test procedures change. ### How much does it cost to fuel a 2027 Mercedes-Benz S-Class for a year? About $3,550-$5,850 a year, using the EPA's assumptions of 15,000 miles (55% city, 45% highway) at national average fuel prices. Your cost depends on your local prices, mileage and driving style. ### What is the city and highway mpg of the 2027 Mercedes-Benz S-Class? The most efficient 2027 version, the S500 4matic, is rated 20 mpg city and 28 mpg highway (23 combined). Other engines and drivetrains are rated lower; the versions table above lists each one. ### How much CO2 does the 2027 Mercedes-Benz S-Class emit? EPA rates its tailpipe CO2 at 386-610 grams per mile depending on version. Lower is better; the cleanest gas cars sit under 250 g/mi and electric cars have none at the tailpipe. ### Does the 2027 Mercedes-Benz S-Class come with all-wheel drive? Yes. The 2027 Mercedes-Benz S-Class is offered with AWD. All- or four-wheel drive usually costs 1-3 mpg compared with the two-wheel-drive version of the same engine, as the versions table shows. ### Is the Mercedes-Benz S-Class cheap to run compared with other large cars? No, dearer than average: its EPA annual fuel cost of $3,550-$5,850 compares with about $2,392 for other current large car models. Fuel is only part of running costs; insurance, tires and repairs also differ. ## Sources - [fueleconomy.gov (US DOE and EPA)](https://www.fueleconomy.gov/) ## All Mercedes-Benz cars - [Mercedes-Benz SL-Class](https://diagxcar.com/vehicles/mercedes-benz-sl-class) - [Mercedes-Benz AMG GT](https://diagxcar.com/vehicles/mercedes-benz-amg-gt) - [Mercedes-Benz CLE-Class](https://diagxcar.com/vehicles/mercedes-benz-cle-class) - [Mercedes-Benz C-Class](https://diagxcar.com/vehicles/mercedes-benz-c-class) - [Mercedes-Benz CLA-Class](https://diagxcar.com/vehicles/mercedes-benz-cla-class) - [Mercedes-Benz GLA-Class](https://diagxcar.com/vehicles/mercedes-benz-gla-class) - [Mercedes-Benz E-Class](https://diagxcar.com/vehicles/mercedes-benz-e-class) - [Mercedes-Benz EQE](https://diagxcar.com/vehicles/mercedes-benz-eqe) - [Mercedes-Benz EQS](https://diagxcar.com/vehicles/mercedes-benz-eqs) ## More Mercedes-Benz models - [Mercedes-Benz G-Class](https://diagxcar.com/vehicles/mercedes-benz-g-class) - [Mercedes-Benz GLB-Class](https://diagxcar.com/vehicles/mercedes-benz-glb-class) - [Mercedes-Benz GLC-Class](https://diagxcar.com/vehicles/mercedes-benz-glc-class) - [Mercedes-Benz GLE-Class](https://diagxcar.com/vehicles/mercedes-benz-gle-class) - [Mercedes-Benz GLS-Class](https://diagxcar.com/vehicles/mercedes-benz-gls-class) - [Mercedes-Benz A-Class](https://diagxcar.com/vehicles/mercedes-benz-a-class): discontinued ## Other large cars - [Porsche Panamera](https://diagxcar.com/vehicles/porsche-panamera) - [Tesla Model S](https://diagxcar.com/vehicles/tesla-model-s) - [Volkswagen Arteon](https://diagxcar.com/vehicles/volkswagen-arteon) - [Acura Integra](https://diagxcar.com/vehicles/acura-integra) - [Audi A8](https://diagxcar.com/vehicles/audi-a8) - [Audi S8](https://diagxcar.com/vehicles/audi-s8) - [BMW 7 Series](https://diagxcar.com/vehicles/bmw-7-series) - [BMW i7](https://diagxcar.com/vehicles/bmw-i7) ## Compared with - [Dodge Charger](https://diagxcar.com/vehicles/dodge-charger) - [Genesis G80](https://diagxcar.com/vehicles/genesis-g80) - [Genesis G90](https://diagxcar.com/vehicles/genesis-g90) - [Hyundai Sonata](https://diagxcar.com/vehicles/hyundai-sonata) - [Kia K5](https://diagxcar.com/vehicles/kia-k5) ## Car care - [How long do tires last?](https://diagxcar.com/how-long/tires) - [How often to change oil](https://diagxcar.com/how-often/change-oil) - [Tire size calculator](https://diagxcar.com/tools/tire-size-calculator) --- Source page: https://diagxcar.com/vehicles/mercedes-benz-s-class Updated: 2026-11-03 General information, not a substitute for a qualified mechanic.