2004 Mercedes-Benz C230 KompressorFuel Economy & MPG Ratings

Gasoline Compact CarsRear-Wheel Drive
City
20
MPG
Highway
28
MPG
Combined
23
MPG

Real-World MPG

Based on 3 owner reports via EPA fueleconomy.gov

30.6MPG average+33.1% vs EPA label
EPA combined: 23 MPG · Owner reported avg: 30.6 MPG

Range: 28–33 MPG

Driving mix: City 28% / Highway 72%

Source: EPA fueleconomy.gov “Your MPG” owner submissions. Real-world results vary by driver behavior, conditions, and equipment.

Owner reported MPG for this vehicle averages 30.6 real world MPG based on 3 owner reports. EPA combined rating is 23 MPG.

Trim Comparison

Automatic 5-spd
Premium
City
20
Hwy
28
Comb
23
Fuel cost: $3,550/yr
Manual 6-spd
Premium
City
20
Hwy
27
Comb
23
Fuel cost: $3,550/yr
Annual Fuel Cost
$3,550

Based on gasoline at $3.67/gal, 15,000 miles/year

5-Year Fuel Savings
$-5,750

vs. average new vehicle

EPA Fuel Economy Score: -1/10
GHG Score: -1/10

Environment

CO₂ Tailpipe Emissions
386 g/mile
Annual Petroleum Consumption
12.9 barrels

Specifications

Engine
1.8L 4-cyl
Transmission
5-speed Automatic
Drivetrain
RWD
Body Style
Sedan
GVWR
Class 1 (≤6,000 lbs)

Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.

Engine & Efficiency Details

Source: EPA fueleconomy.gov

Engine Size
1.8L, 4-cylinder
Fuel Type
Premium Gasoline

Annual Fuel Cost by State

Prices as of week ending May 18, 2026 · Source: EIA

National AvgEPA default
$4.490/gal$2,928/yr
California
$5.957/gal$3,885/yr
Texas
$3.888/gal$2,536/yr
Florida
$4.136/gal$2,697/yr
New York
$4.522/gal$2,949/yr
Ohio
$4.510/gal$2,941/yr
Washington
$5.591/gal$3,646/yr
Colorado
$4.618/gal$3,012/yr
Minnesota
$4.344/gal$2,833/yr
Massachusetts
$4.448/gal$2,901/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 23 MPG combined. Regular gasoline prices. Actual costs vary.

Related

Mercedes-Benz C230 Kompressor MPG History
See how this model's fuel economy changed by year

Similar Compact Cars, 2004

All Mercedes-Benz Models