2018 Mercedes-Benz GLC-Class
Fuel economy, running costs, emissions and safety · from U.S. EPA and NHTSA data
The 2018 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 year | 2018 |
|---|---|
| Vehicle class | Small Sport Utility Vehicle 4WD |
| Fuel type(s) | Gasoline, Plug-in Hybrid |
| Combined economy | 18-25 MPG |
| Best / worst combined | 25 / 18 MPG |
| Annual fuel cost | $3,200-$4,450 |
| Tailpipe CO₂ | 235-494 g/mi |
| EPA smog rating | 5-7 / 10 |
| NHTSA overall | 5 / 5 stars |
What it costs to fuel
Across its configurations, the 2018 GLC-Class costs about $3,200 to $4,450 a year to fuel at the EPA's 15,000-mile basis, averaging roughly $3,828. Over five years that is about $19,139 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, this GLC-Class configuration spends about $1,250 more on fuel over five years.
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
| Version | Engine | Drive | Trans | Fuel | Combined | Annual fuel |
|---|---|---|---|---|---|---|
| GLC350e 4matic | 2.0L 4-cyl turbo | 4-Wheel | Automatic | Plug-in Hybrid | 25 MPG | $3,200 |
| GLC300 | 2.0L 4-cyl turbo | Rear-Wheel | Automatic | Gasoline | 24 MPG | $3,300 |
| GLC300 4matic | 2.0L 4-cyl turbo | 4-Wheel | Automatic | Gasoline | 24 MPG | $3,300 |
| GLC300 4matic Coupe | 2.0L 4-cyl turbo | 4-Wheel | Automatic | Gasoline | 24 MPG | $3,300 |
| AMG GLC43 4matic | 3.0L 6-cyl turbo | 4-Wheel | Automatic | Gasoline | 20 MPG | $4,000 |
| AMG GLC43 4matic Coupe | 3.0L 6-cyl turbo | 4-Wheel | Automatic | Gasoline | 20 MPG | $4,000 |
| AMG GLC63 4matic | 4.0L 8-cyl turbo | 4-Wheel | Automatic | Gasoline | 18 MPG | $4,450 |
| AMG GLC63 4matic Coupe | 4.0L 8-cyl turbo | 4-Wheel | Automatic | Gasoline | 18 MPG | $4,450 |
| AMG GLC63 S 4matic Coupe | 4.0L 8-cyl turbo | 4-Wheel | Automatic | Gasoline | 18 MPG | $4,450 |
Emissions, safety and size
The 2018 GLC-Class records tailpipe CO₂ of 235-494 g/mi, an EPA smog rating of 5-7 out of 10, a 5-star NHTSA overall crash rating, and an EPA electric range of 350 to 350 miles when running on battery. The EPA classifies it as small sport utility vehicle 4wd.
Compare this car
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Data: U.S. EPA FuelEconomy.gov (public domain) and NHTSA SafetyRatings. Figures are EPA estimates; real-world results vary.