# Mercedes-Benz CLS-Class specs and mpg by year - **Latest year:** 2023 - **MPG (combined):** 25 - **Drive:** AWD - **Years covered:** 2015-2023 ## Quick answer The 2023 Mercedes-Benz CLS-Class is a compact car rated at 25 mpg combined. Engines: 3.0L V6 turbo hybrid. ## Every 2023 Mercedes-Benz CLS-Class version | Version | Engine | Drive | Transmission | City/Hwy | Combined | Fuel cost / year | CO2 | | --- | --- | --- | --- | --- | --- | --- | --- | | CLS450 4matic | 3.0L V6 turbo hybrid | AWD | Automatic | 22/30 | 25 mpg | $3,300 | 357 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 CLS-Class specs by year | Year | Engines | Transmission | Drive | MPG (combined) | | --- | --- | --- | --- | --- | | 2023 | 3.0L V6 turbo hybrid | Automatic | AWD | 25 | | 2022 | 3.0L V6 turbo hybrid | Automatic | 4WD | 25 | | 2021 | 3.0L V6 turbo hybrid; 3.0L V6 hybrid | Automatic | 4WD, RWD | 23-26 | | 2020 | 3.0L V6 hybrid; 3.0L V6 turbo hybrid | Automatic | 4WD, RWD | 23-26 | | 2019 | 3.0L V6 hybrid; 3.0L V6 turbo hybrid | Automatic | 4WD, RWD | 23-26 | | 2018 | 4.7L V8 turbo; 5.5L V8 turbo | Automatic | 4WD, RWD | 18-21 | | 2017 | 5.5L V8 turbo; 4.7L V8 turbo | Automatic | 4WD, RWD | 18-21 | | 2016 | 4.7L V8 turbo; 5.5L V8 turbo; 3.0L V6 turbo | Automatic | 4WD, RWD | 18-24 | | 2015 | 5.5L V8 turbo; 4.7L V8 turbo; 3.0L V6 turbo | Automatic | 4WD, RWD | 18-24 | 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 CLS-Class changed over the years? - **2023:** AWD became available; 4WD was dropped. - **2022:** dropped 3.0L V6 hybrid; RWD was dropped. - **2019:** added 3.0L V6 hybrid and 3.0L V6 turbo hybrid; dropped 4.7L V8 turbo and 5.5L V8 turbo. - **2017:** dropped 3.0L V6 turbo. ## Frequently asked questions ### What mpg does the 2023 Mercedes-Benz CLS-Class get? The 2023 Mercedes-Benz CLS-Class is EPA-rated at 25 mpg combined, depending on engine and drivetrain. Real-world mileage varies with speed, climate and load. ### What engine does the 2023 Mercedes-Benz CLS-Class have? The 2023 Mercedes-Benz CLS-Class comes with: 3.0L V6 turbo hybrid. It uses automatic transmission and is offered with AWD. ### Is there a hybrid Mercedes-Benz CLS-Class? Yes. The Mercedes-Benz CLS-Class has been offered as a hybrid in some model years; the table above shows which. ### Which Mercedes-Benz CLS-Class year gets the best gas mileage? In the EPA data, the 2021 Mercedes-Benz CLS-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 2023 Mercedes-Benz CLS-Class for a year? About $3,300 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 2023 Mercedes-Benz CLS-Class? The most efficient 2023 version, the CLS450 4matic, is rated 22 mpg city and 30 mpg highway (25 combined). Other engines and drivetrains are rated lower; the versions table above lists each one. ### How much CO2 does the 2023 Mercedes-Benz CLS-Class emit? EPA rates its tailpipe CO2 at 357 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 2023 Mercedes-Benz CLS-Class come with all-wheel drive? Yes. The 2023 Mercedes-Benz CLS-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. ## 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) - [Mercedes-Benz S-Class](https://diagxcar.com/vehicles/mercedes-benz-s-class) ## 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) ## Other compact cars - [Mitsubishi Mirage](https://diagxcar.com/vehicles/mitsubishi-mirage) - [Nissan Versa](https://diagxcar.com/vehicles/nissan-versa) - [Porsche Taycan](https://diagxcar.com/vehicles/porsche-taycan) - [Toyota Corolla](https://diagxcar.com/vehicles/toyota-corolla) - [Toyota Mirai](https://diagxcar.com/vehicles/toyota-mirai) - [Volkswagen GLI](https://diagxcar.com/vehicles/volkswagen-gli) - [Volkswagen Jetta](https://diagxcar.com/vehicles/volkswagen-jetta) - [Volvo S60](https://diagxcar.com/vehicles/volvo-s60) ## 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-cls-class Updated: 2026-11-03 General information, not a substitute for a qualified mechanic.