2026 Mercedes-Benz GLC300 4matic MPG
EPA-rated · verified snapshot 2026-08-30 · Small Sport Utility Vehicle 4WD
The 2026 Mercedes-Benz GLC300 4matic gets 26 MPG combined — 23 city and 31 highway — in its most efficient configuration (2.0L · 4-cyl · Automatic 9-spd · All-Wheel Drive · Hybrid).
City23 MPG
Highway31 MPG
$2,900Fuel cost / yr (EPA est.)
338 g/miCO₂
PremiumFuel
$-3,5005-yr fuel cost vs. average vehicle
5 / 10EPA Fuel Economy & GHG score
Where it sits among compact suvs (2026)
Every 2026 GLC300 4matic trim
| Configuration | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|
| 2.0L · 4-cyl · Automatic 9-spd · All-Wheel Drive · Hybrid | 23 | 31 | 26 | $2,900 |
| 2.0L · 4-cyl · Automatic 9-spd · All-Wheel Drive · Hybrid | 23 | 31 | 26 | $2,900 |
FAQ
Does the 2026 GLC300 4matic get good gas mileage for its class?
The 2026 GLC300 4matic's 26 MPG combined is below the compact suvs average of 51.3 MPG for 2026.
How much does it cost to fuel a 2026 GLC300 4matic per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $2,900 for the most efficient trim.
What is the city and highway MPG of the 2026 GLC300 4matic?
The most efficient trim is rated 23 MPG city and 31 MPG highway.