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2027 Mercedes-Benz S-Class Specs: MPG, Gas Mileage, Engine Size & Dimensions

2017–2027 model years106 variantsUp to 26 MPG combined
Real-World MPG QuestionsBed Dimensions & Cargo SpaceService Intervals

Mercedes-Benz S-Class maintenance schedule by model year

Verified year-by-year intervals for 2022–2022 are listed on the Mercedes-Benz S-Class maintenance schedule, where you can switch model year in the table.

2027 Mercedes-Benz S-Class Specs at a Glance

The 2027 Mercedes-Benz S-Class gets 23 mpg combined on the 3.0L All-Wheel Drive configuration, weighs 5,501 lbs, measures 208.3 in long. Figures are per configuration, not a single official number — other trims rate as low as 14 mpg combined. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.

Combined MPG
23 mpg (20 city / 28 hwy)
Best configuration: 3.0L · All-Wheel Drive · Automatic 9-spd · other 2027 trims rate 14–23 mpg combined
Engine
3.0L 6-cyl
3.0L · All-Wheel Drive · Automatic 9-spd · 3 powertrains offered
Curb weight
5,501 lbs
Heaviest recorded configuration: S CLASS S580e 4MATIC 4DR SEDAN LWB
Length
208.3 in · 76.8 in wide · 59.1 in tall
Wheelbase
126.4 in

2027 Mercedes-Benz S-Class trims and MPG

TrimEngineTransDriveCityHwyCombined
Auto 9-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 9-spdAll-Wheel Drive122014
Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdAll-Wheel Drive202823
Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive162419
Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive152418

Detailed Specifications

MPG & Fuel Economy

MPG for every year and trim

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Engine Specifications

Engine Specs for every year and trim

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Annual Fuel Cost

Fuel Cost for every year and trim

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Transmission Specifications

Transmission for every year and trim

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Drivetrain & Drive Type

Drivetrain for every year and trim

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Vehicle Class & EPA Size Category

Vehicle Class for every year and trim

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Maintenance Schedule & Service Intervals

Maintenance for every year and trim

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Dimensions & Size

Dimensions for every year and trim

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Curb Weight

Curb Weight for every year and trim

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Electric Range & Charging Time

EV Range for every year and trim

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Mercedes-Benz S-Class — All Years Overview

YearTrimEngineTransDriveCityHwyCombinedFuel
2027Auto 9-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 9-spdAll-Wheel Drive122014Premium Gasoline
2027Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdAll-Wheel Drive202823Premium Gasoline
2027Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive162419Premium Gasoline
2027Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive152418Premium Gasoline
2026Auto 9-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 9-spdAll-Wheel Drive122015Premium Gasoline
2026Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdAll-Wheel Drive202923Premium Gasoline
2026Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive162720Premium Gasoline
2026Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive172720Premium Gasoline
2025Auto 9-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 9-spdAll-Wheel Drive122015Premium Gasoline
2025Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdAll-Wheel Drive213124Premium Gasoline
2025Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdAll-Wheel Drive202923Premium Gasoline
2025Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive162720Premium Gasoline
2025Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive172520Premium Gasoline
2025Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive152318Premium Gasoline
2024Auto 9-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 9-spdAll-Wheel Drive122015Premium Gasoline
2024Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdAll-Wheel Drive213124Premium Gasoline
2024Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive182721Premium Gasoline
2024Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive182621Premium Gasoline
2023Auto 9-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 9-spdAll-Wheel Drive122014Premium Gasoline
2023Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdAll-Wheel Drive202923Premium Gasoline
2023Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdAll-Wheel Drive202823Premium Gasoline
2023Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive162519Premium Gasoline
2023Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive152518Premium Gasoline
2022Auto 9-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 9-spdAll-Wheel Drive122115Premium Gasoline
2022Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdAll-Wheel Drive213024Premium Gasoline
2022Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive152418Premium Gasoline
2022Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive162519Premium Gasoline
2021Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spd4-Wheel Drive202924Premium Gasoline
2021Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive162620Premium Gasoline
2021Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive172520Premium Gasoline
2021Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive162419Premium Gasoline
2021Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive162619Premium Gasoline
2021Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive142417Premium Gasoline
2021Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdRear-Wheel Drive162620Premium Gasoline
2020Auto 7-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 7-spdRear-Wheel Drive132116Premium Gasoline
2020Auto 7-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 7-spdRear-Wheel Drive132216Premium Gasoline
2020Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdRear-Wheel Drive212623Premium Gasoline
2020Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spd4-Wheel Drive182822Premium Gasoline
2020Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdRear-Wheel Drive192822Premium Gasoline
2020Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive172721Premium Gasoline
2020Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive172620Premium Gasoline
2020Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdRear-Wheel Drive172620Premium Gasoline
2020Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive152418Premium Gasoline
2020Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive172720Premium Gasoline
2020Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive172620Premium Gasoline
2020Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdRear-Wheel Drive172721Premium Gasoline
2020Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive162519Premium Gasoline
2019Auto 7-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 7-spdRear-Wheel Drive132216Premium Gasoline
2019Auto 7-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 7-spdRear-Wheel Drive132116Premium Gasoline
2019Auto 7-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 7-spdRear-Wheel Drive132116Premium Gasoline
2019Auto 7-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 7-spdRear-Wheel Drive142116Premium Gasoline
2019Auto 9-spd, 4 cyl, 3.0 L4 · 3.0LAutomatic 9-spdRear-Wheel Drive212623Premium Gasoline
2019Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spd4-Wheel Drive182822Premium Gasoline
2019Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdRear-Wheel Drive192822Premium Gasoline
2019Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdFront-Wheel Drive172721Premium Gasoline
2019Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdFront-Wheel Drive172620Premium Gasoline
2019Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive152418Premium Gasoline
2019Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive172720Premium Gasoline
2019Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive172620Premium Gasoline
2019Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive172721Premium Gasoline
2019Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive162519Premium Gasoline
2019Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive172620Premium Gasoline
2018Auto 7-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 7-spdRear-Wheel Drive132116Premium Gasoline
2018Auto 7-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 7-spdRear-Wheel Drive132216Premium Gasoline
2018Auto 7-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 7-spdRear-Wheel Drive132116Premium Gasoline
2018Auto 7-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 7-spdRear-Wheel Drive142116Premium Gasoline
2018Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdRear-Wheel Drive192822Premium Gasoline
2018Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spd4-Wheel Drive182822Premium Gasoline
2018Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive172720Premium Gasoline
2018Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive172620Premium Gasoline
2018Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdFront-Wheel Drive172721Premium Gasoline
2018Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive172721Premium Gasoline
2018Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive162519Premium Gasoline
2018Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdFront-Wheel Drive172620Premium Gasoline
2018Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive152418Premium Gasoline
2018Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive172721Premium Gasoline
2017Auto 7-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 7-spdRear-Wheel Drive132216Premium Gasoline
2017Auto 7-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 7-spdRear-Wheel Drive132116Premium Gasoline
2017Auto 7-spd, 12 cyl, 6.0 L12 · 6.0LAutomatic 7-spdRear-Wheel Drive142116Premium Gasoline
2017Auto 7-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 7-spdRear-Wheel Drive243026Premium Gasoline

Showing the 80 most recent EPA configurations of 106 on record. See the full Mercedes-Benz S-Class MPG history.

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Mercedes-Benz S-Class — Frequently Asked Questions

What is the fuel economy of the 2027 Mercedes-Benz S-Class?

The Mercedes-Benz S-Class is EPA-rated at up to 24 MPG combined (21 city / 31 highway), a historical peak recorded on the 2025 model year.

What engine does the 2027 Mercedes-Benz S-Class have?

The Mercedes-Benz S-Class uses a 6.0L 12-cylinder engine paired with an Automatic 9-spd transmission.

What years of the Mercedes-Benz S-Class are covered here?

This page documents 80 verified Mercedes-Benz S-Class configurations across model years 2017–2027.

Which model year of the Mercedes-Benz S-Class is the most fuel efficient?

The 2017 Mercedes-Benz S-Class holds the highest combined rating at 26 MPG; the 2018 sits lowest at 22 MPG, a difference of 4 MPG (about 18%) across the 11 rated years on file.

How many engine options does the Mercedes-Benz S-Class have?

The records list 3 distinct displacements for the Mercedes-Benz S-Class — 3L, 4L, 6L — which is why combined MPG varies between trims of the same year.

Is the 2027 Mercedes-Benz S-Class front-wheel drive or all-wheel drive?

The Mercedes-Benz S-Class appears in 4 drivetrain layouts across the years documented here — All-Wheel Drive, 4-Wheel Drive, Rear-Wheel Drive, Front-Wheel Drive — with the latest 2027 record on All-Wheel Drive.

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