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Combined MPG
22–29 MPG
55% city / 45% highway weighted
City Driving Rating
19–25 MPG
Stop-and-go urban cycle
Highway Driving Rating
27–35 MPG
Sustained open-highway test
Annual Fuel Cost
$2,600–3,800
EPA estimate @ 15,000 miles/yr
Laboratory Fuel Economy Certification

Executive Efficiency Findings

The 2025 Mercedes-Benz C-Class delivers an EPA-certified 22–29 MPG combined across 8 configurations. Estimated annual fuel costs range from $2,600 to $3,800.

EPA Testing Standards: Ratings derived from official dynamometer laboratory tests under 40 CFR Part 600. Real-world fuel economy varies based on driving style, ambient temperature, cargo payload, and terrain.
Certified Powertrain Attributes
  • • Certified Configurations: 8 trim and powertrain permutation(s).
  • • Combined Rating Range: 22–29 MPG.
  • • Hybrid Efficiency: Up to 29 MPG combined.
  • • PHEV Electric Range: Up to 54 miles (64 MPGe).
  • • Annual Energy Cost: $2,600–3,800 (15k mi/yr).
Electrification Analysis

2025 Mercedes-Benz C-Class Powertrain & Efficiency Comparison

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

HYBRID 6 TRIMS

Gas-Electric Hybrid (HEV)

22–29 MPG

Annual Fuel Cost: $2,600–$3,450 (saves vs gas).

Self-Charging Hybrid
PLUG-IN 2 TRIMS

Plug-In Hybrid (PHEV)

54 mi EV • 64 MPGe

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

Dual Fuel / Battery
Certified Ratings Matrix

Official EPA Fuel Economy Ratings by Configuration (8)

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)
C300 Premium 2L Hybrid Rear-Wheel Drive Automatic 9-spd 25 MPG 35 MPG 29 MPG — $2,600 —
C300 4matic Premium 2L Hybrid All-Wheel Drive Automatic 9-spd 24 MPG 33 MPG 27 MPG — $2,800 —
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 C43 4matic Premium 2L Hybrid All-Wheel Drive Automatic 9-spd 19 MPG 27 MPG 22 MPG — $3,450 —
AMG C63 S E Performance Premium and Electricity 2L Plug-in Hybrid All-Wheel Drive Automatic 9-spd 36 MPGe (19 MPG) 38 MPGe (22 MPG) 37 MPGe (20 MPG) 1 mi $3,800 —
Operating Cost Economics

Standardized Energy Cost & Consumption Benchmarks

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

ENERGY UNIT 25 MI

Fuel Cost per 25 Miles

$3.02–$3.98

Based on $3.50 per gallon regular gasoline

ANNUAL TOTAL 15K MI

Annual Fuel Consumption

517–682 Gal

Estimated annual energy units needed for 15,000 miles

5-YEAR VALUE SAVINGS

5-Year Fuel Cost vs Avg Vehicle

EPA Benchmark

Compared to the average new vehicle over 5 years

Search Intelligence

Quick Answers: EPA Fuel Economy, Electric Range & Energy Costs for the 2025 Mercedes-Benz C-Class

Direct, deterministic answers synthesized from verified United States government databases for the 2025 Mercedes-Benz C-Class

What gas mileage (MPG) does the 2025 Mercedes-Benz C-Class get?

The 2025 Mercedes-Benz C-Class achieves an EPA-certified rating of 22 to 29 MPG combined across 8 certified configuration(s).

City ratings range from 19 to 29 MPG, and highway ratings range from 22 to 35 MPG.

Source: EPA FuelEconomy.gov (40 CFR Part 600)

What is the plug-in hybrid electric range of the 2025 Mercedes-Benz C-Class?

The 2025 Mercedes-Benz C-Class plug-in hybrid (PHEV) delivers up to 0 miles of all-electric driving range before transitioning to hybrid gasoline operation.

In electric mode, efficiency is rated at 25 MPGe, switching to 0 MPG combined on gasoline.

Source: EPA FuelEconomy.gov Certified Ratings

What is the estimated annual fuel or energy cost for the 2025 Mercedes-Benz C-Class?

Using AutoUtility's standardized operating cost model, estimated annual fueling and energy costs range between $2,600 and $3,800 for the 2025 Mercedes-Benz C-Class.

Calculated under AutoUtility's standardized methodology (15,000 miles per year, 55% city / 45% highway driving, $3.50/gallon regular gasoline, $0.16/kWh electricity) using official EPA dynamometer consumption ratings.

Source: AutoUtility Operating Cost Model (EPA-Certified Baseline)
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 under 40 CFR Part 600.

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