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Mercedes-Benz CLS-Class Annual Fuel Cost

Running a 2023 Mercedes-Benz CLS-Class costs about $2,900 per year in fuel, based on 15,000 miles of driving at average U.S. fuel prices.

Latest model year (2023):

The Mercedes-Benz CLS-Class costs an estimated $3,050/year in fuel (357 g CO₂/mi).

Verifiedfueleconomy.gov · Verified August 9, 2026
OverviewMPGEngine SpecsFuel CostTransmissionDrivetrainVehicle ClassMaintenance

Mercedes-Benz CLS-Class Fuel Cost — All Years

YearTrimEngineFuelMPG Comb.Annual CostCO₂ (g/mi)GHG Score
2023Auto 9-spd, 6 cyl, 3.0 L6 3.0LPremium Gasoline25$3,0503575
2022Auto 9-spd, 6 cyl, 3.0 L6 3.0LPremium Gasoline25$3,0503575
2021Auto 9-spd, 6 cyl, 3.0 L6 3.0LPremium Gasoline23$3,3003895
2021Auto 9-spd, 6 cyl, 3.0 L6 3.0LPremium Gasoline26$2,9003475
2021Auto 9-spd, 6 cyl, 3.0 L6 3.0LPremium Gasoline25$3,0503575
2020Auto 9-spd, 6 cyl, 3.0 L6 3.0LPremium Gasoline26$2,9003435
2020Auto 9-spd, 6 cyl, 3.0 L6 3.0LPremium Gasoline23$3,3003795
2020Auto 9-spd, 6 cyl, 3.0 L6 3.0LPremium Gasoline26$2,9003345
2019Auto 9-spd, 6 cyl, 3.0 L6 3.0LPremium Gasoline23$3,3003795
2019Auto 9-spd, 6 cyl, 3.0 L6 3.0LPremium Gasoline26$2,9003345
2019Auto 9-spd, 6 cyl, 3.0 L6 3.0LPremium Gasoline26$2,9003435
2018Auto 7-spd, 8 cyl, 5.5 L8 5.5LPremium Gasoline18$4,2004953
2018Auto 9-spd, 8 cyl, 4.7 L8 4.7LPremium Gasoline20$3,8004444
2018Auto 9-spd, 8 cyl, 4.7 L8 4.7LPremium Gasoline21$3,6004254
2017Auto 7-spd, 8 cyl, 5.5 L8 5.5LPremium Gasoline18$4,2004953
2017Auto 9-spd, 8 cyl, 4.7 L8 4.7LPremium Gasoline21$3,6004254
2017Auto 9-spd, 8 cyl, 4.7 L8 4.7LPremium Gasoline20$3,8004444
2016Auto 7-spd, 6 cyl, 3.0 L6 3.0LPremium Gasoline22$3,4504055
2016Auto 7-spd, 6 cyl, 3.0 L6 3.0LPremium Gasoline24$3,1503755
2016Auto 7-spd, 8 cyl, 5.5 L8 5.5LPremium Gasoline18$4,2004964
2016Auto 9-spd, 8 cyl, 4.7 L8 4.7LPremium Gasoline20$3,8004464
2016Auto 9-spd, 8 cyl, 4.7 L8 4.7LPremium Gasoline20$3,8004335
2015Auto 7-spd, 6 cyl, 3.0 L6 3.0LPremium Gasoline22$3,4504075
2015Auto 7-spd, 6 cyl, 3.0 L6 3.0LPremium Gasoline24$3,1503776
2015Auto 7-spd, 8 cyl, 4.7 L8 4.7LPremium Gasoline19$4,0004624
2015Auto 7-spd, 8 cyl, 5.5 L8 5.5LPremium Gasoline18$4,2004954
2015Auto 9-spd, 8 cyl, 4.7 L8 4.7LPremium Gasoline20$3,8004335

Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.

Mercedes-Benz CLS-Class Fuel Cost FAQ

How much does it cost to fuel the Mercedes-Benz CLS-Class?

The estimated annual fuel cost for the Mercedes-Benz CLS-Class is $2,900 per year, based on 15,000 miles of driving and average fuel prices. Costs vary by trim and engine.

How much CO₂ does the Mercedes-Benz CLS-Class produce?

The Mercedes-Benz CLS-Class produces approximately 347 grams of CO₂ per mile. Lower numbers mean fewer emissions. See the table for per-trim details.

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