MPG by Model

MakesMercedes-BenzGLC-Class

Mercedes-Benz GLC-Class MPG

Its best-rated version reaches 29 MPG combined in 2024, the hybrid GLC300. Its weakest year peaked at 24 MPG (2016–2017 and 2022).

Mercedes-Benz GLC-Class: best and lowest EPA combined MPG of its versions, model years 2016–202615202530MPG202420162020202629 MPG peaklowest peak 24Mercedes-Benz GLC-Class: best and lowest EPA combined MPG by model year15202530MPG201620182020202220242026
lowest to best versionbest versionbest version is a hybridmedian of its classengine list turned over
555.6 gal

a year at 15,000 miles for the best 2026 version, the GLC300. Put it next to its 2016 predecessor, at your own mileage.

Compare in gallons

The Mercedes-Benz GLC-Class has EPA ratings for 11 model years, 2016–2026, every one of them among small SUVs. In 2025 even its most efficient version shared the lowest rating of 12 small station wagons; it sat in its class's bottom five in two model years.

Its first plug-in hybrid version arrived in 2018, when 7 of 91 SUVs offered one. Of the 249 SUV nameplates on this site, few have had a plug-in hybrid version (32 of them); this one has.

Among 69 small SUVs, 2026

The GLC-Class placed 32nd (tied). The class leader was the Kia Niro at 53 MPG. The next higher rating, 28 MPG, is shared by five nameplates.

Best EPA combined MPG of each of the 69 small SUVs rated for 202620253035404550GLC-Class 27median 27NiroBest EPA combined MPG of each of the 69 small SUVs rated for 202620253035404550GLC-Class 27median 27

The GLC-Class, five years at a time

Average rating of its best version per span, placed among small SUVs.

2014–1829th of 50
2019–2345th of 70
2024–2630th of 64

Where the engine list turned over

  • 2024

    Dropped: 2.0-liter 4-cylinder, 3.0-liter 6-cylinder. Best rating 28 → 29 MPG.

Powertrains under the name

  • Gasoline

    Rated in 2016–2023.

  • Plug-in hybrid

    Rated in 2018–2020 and 2025.

  • Hybrid

    Rated in 2023–2026.

All 11 model years, best and lowest version
Model yearsBest versionCombinedCity / hwyLowest versionVersions
2026GLC300 hybrid2724 / 32225
2025GLC300 hybrid2724 / 32208
2024GLC300 hybrid2926 / 33215
2023GLC300 hybrid2825 / 32204
2022GLC3002422 / 28195
2021GLC3002522 / 29178
2020GLC350e 4matic plug-in hybrid2523 / 29189
2019GLC350e 4matic plug-in hybrid2524 / 27189
2018GLC350e 4matic plug-in hybrid2524 / 28189
2017GLC3002422 / 28205
2016GLC3002422 / 28242

Version names in the EPA list: AMG GLC43 4matic, AMG GLC43 4matic Coupe, AMG GLC53 4matic Plus, AMG GLC53 4matic Plus (coupe), AMG GLC63 4matic, AMG GLC63 4matic Coupe, AMG GLC63 4matic Plus, AMG GLC63 4matic Plus Coupe, AMG GLC63 S 4matic Coupe, AMG GLC63 S 4matic Plus Coupe, AMG GLC63 S E Performance, AMG GLC63 S E Performance (coupe), GLC300, GLC300 4matic, GLC300 4matic (coupe), GLC300 4matic Coupe, GLC350e 4matic, GLC350e 4matic with EQ Hybrid Tech, GLC400 4matic electric, GLC400 4matic electric (ST).

Same class, 2026

Kia Niro53 MPGMercedes-Benz GLB-Class27 MPGSubaru Outback27 MPGMaserati Grecale20 MPG

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