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2021 Mercedes-Benz S-Class S350d Exclusive
Photo shows the 2021 model (previous generation): 2021 Mercedes-Benz S-Class S350d Exclusive. Photo: Chanokchon, CC BY-SA 4.0, via Wikimedia Commons
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  • MY2000–2027

Mercedes-Benz S-Class MPG & Fuel Cost by Year

28 model years · 2000–2027

23 MPG
Combined
20 MPG
City
28 MPG
Highway
Annual cost · MY2027 S500 4matic 3.0L 6-cyl turbo supercharged AWD
$3,530

15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)

All Mercedes-Benz models

Mercedes-Benz S-Class fuel economy at a glance

EPA has rated the Mercedes-Benz S-Class for 28 model years, 2000 to 2027. Across those years its combined rating runs 13–24 MPG. The latest model year, 2027, has 4 configurations rated 14–23 MPG combined and costing $3,530–$5,580 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2000 is the 2025 S500 4matic 3.0L 6-cyl turbo supercharged AWD, at 24 MPG. Model year 2027 is still being filled in by EPA, so its row may gain configurations. EPA ratings go back to 1984: the earliest rating on this page is 21 MPG in 1994.

Mercedes-Benz S-Class MPG by year

12141618202224 200020072014202120242027 Gas Hybrid 12141618202224 20002007201420212027 Gas Hybrid
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
Mercedes-Benz S-Class: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG)Hybrid (MPG)Plug-in hybrid, gas only (MPG) $/yr
2024-2027* Generation page
2027 (partial) 1418–23— $3,530–$5,580
2026 1520–23— $3,450–$5,500
2025 1520–2418–23 $2,000–$5,500
2024 1521–24— $3,290–$5,500
2022-2023 Generation page
2023 1418–2323 $1,970–$5,620
2022 1518–24— $3,380–$5,430
2021 Generation page
2021 17–2019–24— $3,390–$4,600
2014-2020 (W222) Generation page
2020 16–22—23 $2,510–$5,170
2019 16–22—23 $2,510–$5,170
2018 16–22—— $3,660–$5,170
2017 16–21—26 $2,580–$4,990
2016 15–20—26 $2,560–$5,280
2015 15–20—26 $2,560–$5,260
2014 18–20—— $4,010–$4,500
2007-2013 (W221) Generation page
2013 14–1921— $3,820–$5,630
2012 14–1921— $3,820–$5,630
2011 14–1821— $3,820–$5,630
2010 13–1821— $3,830–$6,180
2009 13–17—— $4,730–$6,180
2008 13–16—— $5,020–$6,180
2007 13–17—— $4,730–$6,180
2000-2006 (W220) Generation page
2006 13–19—— $4,230–$6,180
2005 13–19—— $4,230–$6,180
2004 13–19—— $4,230–$6,180
2003 14–18—— $4,460–$5,740
2002 16–18—— $4,460–$5,020
2001 16–18—— $4,460–$5,020
2000 17–18—— $4,460–$4,730

Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.

Mercedes-Benz S-Class generations

6 generations between 2000 and 2027. Open one for the table of every model year and configuration.

2027 powertrain options

Gas · 6.0L
Combined
14 MPG
Per year
$5,580
See gas configurations
Hybrid · 3.0L, 4.0L
Combined
18–23 MPG
Per year
$3,530–$4,410
See hybrid configurations

Mercedes-Benz S-Class MPG history, 1994–1999

Mercedes-Benz S-Class: combined MPG range by model year, 1994–1999
YearGas (MPG)Diesel (MPG)
1999 13–18 —
1998 13–18 —
1997 14–18 —
1996 14–18 —
1995 13–18 21
1994 13–18 21

EPA re-estimated the ratings of pre-2008 vehicles under its 2008 method; these are the re-estimated values.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · premium gasoline $5.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the Mercedes-Benz S-Class's gas mileage by year?

EPA combined ratings for the Mercedes-Benz S-Class run 13–24 MPG across model years 2000 to 2027. The latest year, 2027, is rated 14–23 MPG.

Which Mercedes-Benz S-Class model year has the best gas mileage?

The 2025 Mercedes-Benz S-Class S500 4matic 3.0L 6-cyl turbo supercharged AWD has the highest combined rating since 2000, at 24 MPG.

How much does a Mercedes-Benz S-Class cost to fuel per year?

For MY2027, EPA-rated configurations cost $3,530–$5,580 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $3,530.

Has the Mercedes-Benz S-Class's fuel economy improved over time?

Yes. The most efficient configuration moved from 18 MPG in 2000 to 23 MPG in 2027, 5 MPG more. Going back further, the best rating in 1984 was 21 MPG.

Is there a hybrid, plug-in or electric Mercedes-Benz S-Class?

Yes. Hybrid versions are rated from 2010 to 2027 (18–24 MPG); Plug-in hybrid versions are rated from 2015 to 2025 (18–26 MPG).

How many generations of the Mercedes-Benz S-Class are there?

EPA data covers 6 generations of the Mercedes-Benz S-Class: 2024-2027*, 2022-2023, 2021, 2014-2020, 2007-2013, 2000-2006. Each has its own page with a table for every model year.