2025 Mercedes-Benz GLC EPA Fuel Economy Summary

The 2025 Mercedes-Benz GLC delivers an EPA-certified 21–27 MPG combined (18–24 city / 24–32 highway depending on engine and drivetrain) across 8 configurations. Plug-in hybrid (PHEV) models offer up to 54 miles of all-electric range at 64 MPGe. Estimated annual fuel costs range from $2,800 to $3,800.

Combined MPG
21–27 MPG
55% city / 45% highway weighted
City MPG
18–24 MPG
Stop-and-go urban cycle
Highway MPG
24–32 MPG
Sustained open-highway test
Annual Fuel Cost
$2,800–3,800
EPA estimate @ 15,000 miles/yr

2025 Mercedes-Benz GLC Powertrain & Efficiency Comparison

Factual efficiency differences across gasoline, hybrid, plug-in hybrid, and electric variants

Gas-Electric Hybrid

Hybrid (HEV) Trims

21–27 MPG Combined

Annual Fuel Cost: $2,800–$3,600

Plug-In Hybrid

Plug-In Hybrid (PHEV)

54 mi EV Range • 64 MPGe

Gasoline Combined: 25 MPG • Annual Energy Cost: $3,050

Official EPA Fuel Economy Ratings by Configuration (8 Variants)

Laboratory certification test values across engine, transmission, and drivetrain permutations

Configuration / Model Powertrain Drivetrain Transmission City Highway Combined EV Range Annual Fuel Cost CO2 (g/mi)
GLC300 Premium 2L Hybrid Rear-Wheel Drive Automatic 9-spd 24 MPG 32 MPG 27 MPG — $2,800 —
GLC300 4matic Premium 2L Hybrid All-Wheel Drive Automatic 9-spd 23 MPG 31 MPG 26 MPG — $2,900 —
GLC300 4matic Coupe Premium 2L Hybrid All-Wheel Drive Automatic 9-spd 23 MPG 31 MPG 26 MPG — $2,900 —
GLC350e 4matic with EQ Hybrid Tech Premium and Electricity 2L Plug-in Hybrid All-Wheel Drive Automatic 9-spd 60 MPGe (23 MPG) 70 MPGe (28 MPG) 64 MPGe (25 MPG) 54 mi $3,050 —
AMG GLC43 4matic Premium 2L Hybrid All-Wheel Drive Automatic 9-spd 19 MPG 25 MPG 21 MPG — $3,600 —
AMG GLC43 4matic Coupe Premium 2L Hybrid All-Wheel Drive Automatic 9-spd 18 MPG 24 MPG 21 MPG — $3,600 —
AMG GLC63 S E Performance Premium and Electricity 2L Plug-in Hybrid All-Wheel Drive Automatic 9-spd 36 MPGe (19 MPG) 26 MPGe (21 MPG) 31 MPGe (20 MPG) 1 mi $3,800 —
AMG GLC63 S E Performance (coupe) Premium and Electricity 2L Plug-in Hybrid All-Wheel Drive Automatic 9-spd 36 MPGe (19 MPG) 26 MPGe (21 MPG) 31 MPGe (20 MPG) 1 mi $3,800 —
EPA Test Methodology: Fuel economy estimates are determined by vehicle manufacturers in accordance with EPA regulations (40 CFR Part 600) and verified by EPA laboratories. Estimates assume 15,000 miles per year of driving (55% city, 45% highway) at prevailing fuel and electricity prices.

Deterministic Fuel Cost & Consumption Benchmarks

Standardized annual energy consumption and operating cost metrics based on 15,000 annual miles

Fuel Cost per 25 Miles

$3.24–$4.17

Based on $3.50 per gallon regular gasoline

Annual Fuel Consumption

556–714 Gallons

Estimated annual energy units needed for 15,000 miles

5-Year Fuel Cost vs Avg Vehicle

Official EPA Benchmark

Compared to the average new vehicle over 5 years

Related Official Reports for 2025 Mercedes-Benz GLC

Cross-reference safety ratings, owner defect complaints, and recall campaigns

Official US Government Data Provenance

Fuel economy ratings, electric range figures, and energy cost estimates on this page are retrieved directly from the United States Environmental Protection Agency (EPA) and U.S. Department of Energy (FuelEconomy.gov) certified vehicle database.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.