SEDAN · Premium gas
Mercedes-Benz C-Class (C300) Fuel Cost
Compact luxury sedan with a turbo four-cylinder and a tech-forward cabin. Below are estimated fuel costs based on 28 combined MPG and average US gas prices.
Best for buyers who value comfort and capability over rock-bottom fuel costs.
- Updated for 2026
- EPA-style MPG
- US avg fuel prices
- US units
- Transparent assumptions
24 MPG
35 MPG
28 MPG
17.4 gal
~487 mi
MPG breakdown
Estimated fuel cost at 12,000 miles/year
Based on 28 MPG and $4.10/gal.
Annual cost
$1757
Monthly cost
$146
Cost per mile
$0.146
Gallons / year
429
Estimate your own cost
Pre-filled with the Mercedes-Benz C-Class (C300)'s combined MPG.
Pre-filled with estimated combined MPG for the Mercedes-Benz C-Class (C300). Adjust for your real-world driving.
Estimated Annual Cost
$0.00
Per Month
$0.00
Per Mile
$0.000
~429 gallons per year
Cost by annual mileage
How much you'll spend per year at common US mileage levels (estimates).
| Miles per year | Gallons / year | Annual cost | Monthly cost |
|---|---|---|---|
| 8,000 | 286 | $1171 | $98 |
| 12,000 | 429 | $1757 | $146 |
| 15,000 | 536 | $2196 | $183 |
Estimates only. Actual costs depend on driving style, terrain, weather, and local fuel or electricity prices.
How we estimate Mercedes-Benz C-Class (C300) costs
- MPG / MPGe
- EPA-style combined city + highway figures for the base trim and recent model year.
- Fuel price
- Average US retail regular gas, premium where required, or per-kWh electricity.
- Annual mileage
- Default scenarios at 8,000 / 12,000 / 15,000 miles per year.
- Trim & year variance
- AWD, larger wheels, towing packages and older years can lower efficiency 5–15%.
Sources & assumptions
- EPA fuel economy data — City / highway / combined MPG and MPGe baselines.
- U.S. Department of Energy (fueleconomy.gov) — Vehicle efficiency and EV range references.
- AAA gas price trends — Recent national and regional retail fuel averages.
- EIA electricity rates — Average residential per-kWh prices used for EV charging.
We summarize publicly available data — no scraping, no external API calls. Figures are calibrated periodically; use the calculators above for your exact inputs.
Frequently asked questions
What is the estimated annual fuel cost for the Mercedes-Benz C-Class (C300)?
Driving 12,000 miles per year at 28 MPG and $4.10/gal, expect about $1757 per year. Heavier city driving or longer commutes will increase that.
What MPG does the Mercedes-Benz C-Class (C300) get?
Estimated EPA-style ratings are roughly 24 city / 35 highway / 28 combined MPG. Real-world numbers depend on terrain, climate and driving style.
What is the tank size of the Mercedes-Benz C-Class (C300)?
The Mercedes-Benz C-Class (C300) typically has a 17.4-gallon tank. At 28 combined MPG, that's roughly 487 miles of driving range per fill-up.
How does Mercedes-Benz C-Class (C300) fuel cost compare to other vehicles?
At 12,000 miles per year, this vehicle costs about $1757. Compare it to other sedans on our index page or use the cost-per-mile calculator to compare two specific vehicles side-by-side.
Cheaper-to-drive alternatives
Same vehicle class as the Mercedes-Benz C-Class (C300), but lower fuel or charging cost per mile. Annual cost at 12,000 mi.
Compare similar sedans
The closest competitors to the Mercedes-Benz C-Class (C300) by MPG and category.
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See fuel costCompare the Mercedes-Benz C-Class (C300) head-to-head
Side-by-side MPG, annual cost and cost-per-mile vs popular rivals.
Best road trips for the Mercedes-Benz C-Class (C300)
Popular drives that pair well with the Mercedes-Benz C-Class (C300).
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