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Mercedes-Benz C-Class Fuel Economy (g/100m)

g/100m Number of Vehicles
2 gallons per 100 meters 1 vehicles
3 gallons per 100 meters 4 vehicles
4 gallons per 100 meters 5 vehicles
5 gallons per 100 meters 1 vehicles
6 gallons per 100 meters 0 vehicles
7 gallons per 100 meters 0 vehicles
8 gallons per 100 meters 0 vehicles
9 gallons per 100 meters 0 vehicles
10 gallons per 100 meters 0 vehicles
11 gallons per 100 meters 0 vehicles
12 gallons per 100 meters 0 vehicles
13 gallons per 100 meters 0 vehicles
14 gallons per 100 meters 0 vehicles
15 gallons per 100 meters 0 vehicles
16 gallons per 100 meters 0 vehicles
17 gallons per 100 meters 1 vehicles
18 gallons per 100 meters 1 vehicles
19 gallons per 100 meters 2 vehicles
20 gallons per 100 meters 2 vehicles
21 gallons per 100 meters 0 vehicles
22 gallons per 100 meters 0 vehicles
23 gallons per 100 meters 0 vehicles
24 gallons per 100 meters 1 vehicles
25 gallons per 100 meters 0 vehicles
26 gallons per 100 meters 0 vehicles
27 gallons per 100 meters 0 vehicles
28 gallons per 100 meters 0 vehicles
29 gallons per 100 meters 0 vehicles
30 gallons per 100 meters 0 vehicles
31 gallons per 100 meters 1 vehicles
Model Year Body/Powertrain g/100m  
2003 2003 2dr Hatch turbocharged 241hp 2.0L I4 7-sp shiftable automatic AWD 12.23
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With the turbocharged 180kW 2.0L I4 engine, 7-speed shiftable automatic transmission, and all-wheel drive, the 2003 Mercedes-Benz C-Class has been averaging 12.23 L/100km (liters per 100 kilometers).

The 2003 Mercedes-Benz C-Classes in this analysis were driven mostly on the highway at an average speed of 83 kilometers per hour (about 65 percent of the kilometers driven). The rest of the kilometers were in the city (4.1 percent), in heavy traffic (3.4 percent), and in the suburbs (0 percent).

In addition, the average 2003 Mercedes-Benz C-Class in this analysis was driven on flat terrain with a light foot and the AC not used at all.
2003 2003 2dr Hatch turbocharged 241hp 2.0L I4 7-sp shiftable automatic RWD 17.65
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2003 2003 4dr Sedan 248-hp 3.5L V6 7-sp shiftable automatic AWD 4.17
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2003 2003 4dr Sedan 228-hp 3.0L V6 7-sp shiftable automatic RWD 3.49
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2003 2003 4dr Sedan turbocharged 241hp 2.0L I4 7-sp shiftable automatic AWD 3.16
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2003 2003 4dr Sedan turbocharged 241hp 2.0L I4 7-sp shiftable automatic RWD 19.62
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2003 2003 4dr Wagon 248-hp 3.5L V6 7-sp shiftable automatic AWD 5.35
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What Our Members Are Saying about the Real Gas Mileage of the 2003 Mercedes-Benz C-Class

2003 Mercedes-Benz C-Class Real Gas Mileage: Pros
YearBody/PowertrainComment
2004 4dr Sedan supercharged 189hp 1.8L I4
5-speed shiftable automatic RWD
30-35+ mpg on highway trips.28-30 mpg in town see full Mercedes-Benz C-Class review
2003 2dr Hatch supercharged 189hp 1.8L I4
6-speed manual RWD
Better than ratings on Highway see full Mercedes-Benz C-Class review
2003 4dr Sedan 168-horsepower 2.6L V6
5-speed shiftable automatic RWD
I figured I could get over 30 on trips, which I can. Hoped to stay above 25 around town, which I do. see full Mercedes-Benz C-Class review
2003 Mercedes-Benz C-Class Real Gas Mileage: Cons
YearBody/PowertrainComment
2004 4dr Wagon 168-horsepower 2.6L V6
5-speed shiftable automatic AWD
The city mpg is usually around 15-17 mpg. Now that's for a hilly neighborhood in a big city, but still. True highway mileage usually about 26 - that's reasonable enough for us. see full Mercedes-Benz C-Class review
 

2003 Mercedes-Benz C-Class Gas Mileage (g/100m)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Mercedes-Benz C-Class's real-world g/100m based on how and where you drive a car.