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Mercedes-Benz GLS-Class Specifications & MPG Data

2017–2026 model years35 variantsUp to 21 MPG combined

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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Mercedes-Benz GLS-Class — All Years Overview

YearTrimEngineTransDriveCityHwyCombinedFuel
2026Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdAll-Wheel Drive192421Premium Gasoline
2026Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive142016Premium Gasoline
2026Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive131815Premium Gasoline
2026Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive152017Premium Gasoline
2025Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdAll-Wheel Drive192421Premium Gasoline
2025Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive141815Premium Gasoline
2025Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive141916Premium Gasoline
2025Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive131815Premium Gasoline
2024Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdAll-Wheel Drive192421Premium Gasoline
2024Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive142016Premium Gasoline
2024Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive141816Premium Gasoline
2024Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive141916Premium Gasoline
2023Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdAll-Wheel Drive182320Premium Gasoline
2023Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive141916Premium Gasoline
2023Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive152017Premium Gasoline
2023Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive162118Premium Gasoline
2022Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spd4-Wheel Drive182420Premium Gasoline
2022Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive141815Premium Gasoline
2022Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive162118Premium Gasoline
2022Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spdAll-Wheel Drive142017Premium Gasoline
2021Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spd4-Wheel Drive202421Premium Gasoline
2021Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive162118Premium Gasoline
2021Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive141816Premium Gasoline
2021Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive151916Premium Gasoline
2020Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spd4-Wheel Drive192321Premium Gasoline
2020Auto 9-spd, 8 cyl, 4.0 L8 · 4.0LAutomatic 9-spd4-Wheel Drive162118Premium Gasoline
2019Auto 7-spd, 8 cyl, 5.5 L8 · 5.5LAutomatic 7-spd4-Wheel Drive131815Premium Gasoline
2019Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spd4-Wheel Drive162218Premium Gasoline
2019Auto 9-spd, 8 cyl, 4.7 L8 · 4.7LAutomatic 9-spd4-Wheel Drive141916Premium Gasoline
2018Auto 7-spd, 8 cyl, 5.5 L8 · 5.5LAutomatic 7-spd4-Wheel Drive131815Premium Gasoline
2018Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spd4-Wheel Drive172219Premium Gasoline
2018Auto 9-spd, 8 cyl, 4.7 L8 · 4.7LAutomatic 9-spd4-Wheel Drive141916Premium Gasoline
2017Auto 7-spd, 8 cyl, 5.5 L8 · 5.5LAutomatic 7-spd4-Wheel Drive131714Premium Gasoline
2017Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spd4-Wheel Drive172219Premium Gasoline
2017Auto 9-spd, 8 cyl, 4.7 L8 · 4.7LAutomatic 9-spd4-Wheel Drive141816Premium Gasoline

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