2020 Mercedes-Benz GLC-Class

Fuel economy, running costs, emissions and safety · from U.S. EPA and NHTSA data

The 2020 Mercedes-Benz GLC-Class is sold in the U.S. with gasoline and plug-in hybrid power. The EPA lists 9 configurations for this model year, with combined economy from 18 to 25 MPG and an estimated annual fuel cost of $3,200 to $4,450 at 15,000 miles.

Key numbers

Model year2020
Vehicle classSmall Sport Utility Vehicle 4WD
Fuel type(s)Gasoline, Plug-in Hybrid
Combined economy18-25 MPG
Best / worst combined25 / 18 MPG
Annual fuel cost$3,200-$4,450
Tailpipe CO₂176-489 g/mi
EPA smog rating5-6 / 10

What it costs to fuel

Across its configurations, the 2020 GLC-Class costs about $3,200 to $4,450 a year to fuel at the EPA's 15,000-mile basis, averaging roughly $3,783. Over five years that is about $18,917 in fuel alone before maintenance, insurance and depreciation — which is why the running cost, not just the price, decides what a car really costs.

Relative to an average new vehicle, the most efficient GLC-Class configuration saves about $750 in fuel over five years; less efficient versions spend more.

For context, the average combined economy of small sport utility vehicle 4wd in this dataset is about 24 MPG. The GLC-Class sits roughly 2 MPG below that mark at its midpoint, making it thirstier than average for its EPA class.

Configurations and fuel economy

VersionEngineDriveTransFuelCombinedAnnual fuel
GLC350e 4matic2.0L 4-cyl turbo4-WheelAutomaticPlug-in Hybrid25 MPG$3,200
GLC3002.0L 4-cyl turboRear-WheelAutomaticGasoline24 MPG$3,300
GLC300 4matic2.0L 4-cyl turbo4-WheelAutomaticGasoline24 MPG$3,300
GLC300 4matic Coupe2.0L 4-cyl turbo4-WheelAutomaticGasoline24 MPG$3,300
AMG GLC43 4matic3.0L 6-cyl turbo4-WheelAutomaticGasoline21 MPG$3,800
AMG GLC43 4matic Coupe3.0L 6-cyl turbo4-WheelAutomaticGasoline21 MPG$3,800
AMG GLC63 4matic Plus4.0L 8-cyl turbo4-WheelAutomaticGasoline18 MPG$4,450
AMG GLC63 4matic Plus Coupe4.0L 8-cyl turbo4-WheelAutomaticGasoline18 MPG$4,450
AMG GLC63 S 4matic Plus Coupe4.0L 8-cyl turbo4-WheelAutomaticGasoline18 MPG$4,450

Emissions, safety and size

The 2020 GLC-Class records tailpipe CO₂ of 176-489 g/mi, an EPA smog rating of 5-6 out of 10, and an EPA electric range of 360 to 360 miles when running on battery. The EPA classifies it as small sport utility vehicle 4wd.

Compare this car

Open the comparison tool to line this 2020 GLC-Class up against any other vehicle in the database, or jump to other years and trims from the 2020 Mercedes-Benz GLC-Class overview.

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Data: U.S. EPA FuelEconomy.gov (public domain) and NHTSA SafetyRatings. Figures are EPA estimates; real-world results vary.