2009 Mercedes-Benz C300

3.0L 6-cyl · 7-speed automatic · RWD

Flex-fuel (gas/E85)Premium or E85Compact Cars

Official EPA record #26243 from FuelEconomy.gov · data 2026-07-26 · every assumption below is yours to edit. How this is computed

Per month

$240.84

Per year

$2,890

Per mile

24.1¢/mi

5-year total

$14,450

sedan body style — not this exact model

Notes & official EPA estimate

582.7 gal of fuel / yeargasoline @ $4.96/galAt $5.96/gal: $289.39/mo

A mile road trip costs about $72.30 in energy.

Running on E85: about $2,083/year at the current default price.

Official FuelEconomy.gov estimate: $3,650/year — assumes 15,000 miles/year and EPA price assumptions. The figures above use your inputs instead.

Compare with another vehiclePrices: EPA national averages, Jul 24, 2026 — override anytime.

At 12,000 miles per year (55% city / 45% highway) with EPA national-average prices ($4.96/gal premium), this 2009 Mercedes-Benz C300 costs about $240.84 per month in fuel — $2,890 per year, 24.1¢/mi, $14,450 over five years.Assumptions are editable below. Prices as of July 24, 2026 · EPA vehicle record #26243. EPA figures are laboratory estimates; real-world cost varies with driving conditions, weather, and where you buy energy.

Mercedes-Benz C-Class: running costs for every model year →

Official EPA efficiency

Measure	Value
City MPG	18
Highway MPG	25
Combined MPG	21
E85 MPG (city/hwy/combined)	13 / 19 / 15

Official EPA estimates

Estimate	Value
Official annual fuel cost (15,000 mi/yr)	$3,650/yr
Tailpipe CO₂	423 g/mi
EPA smog rating	not published

Source: U.S. EPA / DOE FuelEconomy.gov, vehicle record #26243 (record updated 2013-01-01). Snapshot processed 2026-07-26; page data last changed 2013-01-01.

View this record on FuelEconomy.gov — includes owner-shared real-world MPG for this vehicle.

Related configurations

Same year, same family

Adjacent model years