Mercedes-Benz GLC 300 de 4MATIC 9G-TRONIC vs Mercedes-Benz GLC 400 EQ Avantgarde 4MATIC
At 15,000 km a year and typical prices, the Mercedes-Benz GLC 400 EQ Avantgarde 4MATIC costs about €686 a year in energy against €1,843 for the Mercedes-Benz GLC 300 de 4MATIC 9G-TRONIC, a difference of €1,156. Official WLTP figures: 15.8 kWh/100 km against 6.3 l/100 km combined.
Both are variants of the Mercedes-Benz GLC; the choice is the powertrain.

Mercedes-Benz GLC 300 de 4MATIC 9G-TRONIC
€1,843
Energy cost per year at 15,000 km
6.3 l/100 km combined

Mercedes-Benz GLC 400 EQ Avantgarde 4MATIC
€686
Energy cost per year at 15,000 km
15.8 kWh/100 km combined
Measured with the battery depleted, so this is what the car uses when you do not plug in. Your real figure depends on how often you charge; the compare tool works it out from your trips.
| Figure | Mercedes-Benz GLC 300 de 4MATIC 9G-TRONIC | Mercedes-Benz GLC 400 EQ Avantgarde 4MATIC |
|---|---|---|
| Motor | Plug-in Hybrid | Electric |
| Power | 306 PS | 489 PS |
| Combined | 6.3 l/100 km | 15.8 kWh/100 km |
| City | 6.9 l/100 km | 12.9 kWh/100 km |
| Suburban | 6.3 l/100 km | 13.2 kWh/100 km |
| Country road | 5.7 l/100 km | 14.2 kWh/100 km |
| Motorway | 6.5 l/100 km | 19.9 kWh/100 km |
| CO₂ | 45.0 g/km | 0.0 g/km |
| Electric range | 45 km | 673 km |
| Energy cost per year at 15,000 km | €1,843 | €686 |