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Mercedes-Benz C-Class Fuel Economy (km/L)

km/L Number of Vehicles
8 kilometers per liter 1 vehicles
9 kilometers per liter 0 vehicles
10 kilometers per liter 1 vehicles
11 kilometers per liter 0 vehicles
12 kilometers per liter 2 vehicles
13 kilometers per liter 3 vehicles
14 kilometers per liter 1 vehicles
15 kilometers per liter 0 vehicles
16 kilometers per liter 0 vehicles
17 kilometers per liter 0 vehicles
18 kilometers per liter 0 vehicles
19 kilometers per liter 0 vehicles
20 kilometers per liter 0 vehicles
21 kilometers per liter 0 vehicles
22 kilometers per liter 0 vehicles
23 kilometers per liter 0 vehicles
24 kilometers per liter 0 vehicles
25 kilometers per liter 0 vehicles
26 kilometers per liter 0 vehicles
27 kilometers per liter 0 vehicles
28 kilometers per liter 0 vehicles
29 kilometers per liter 0 vehicles
30 kilometers per liter 0 vehicles
31 kilometers per liter 0 vehicles
32 kilometers per liter 0 vehicles
33 kilometers per liter 0 vehicles
34 kilometers per liter 0 vehicles
35 kilometers per liter 0 vehicles
36 kilometers per liter 0 vehicles
37 kilometers per liter 0 vehicles
38 kilometers per liter 0 vehicles
39 kilometers per liter 0 vehicles
40 kilometers per liter 0 vehicles
41 kilometers per liter 0 vehicles
42 kilometers per liter 0 vehicles
43 kilometers per liter 0 vehicles
44 kilometers per liter 1 vehicles
45 kilometers per liter 0 vehicles
46 kilometers per liter 0 vehicles
47 kilometers per liter 0 vehicles
48 kilometers per liter 0 vehicles
49 kilometers per liter 0 vehicles
50 kilometers per liter 0 vehicles
51 kilometers per liter 0 vehicles
52 kilometers per liter 0 vehicles
53 kilometers per liter 0 vehicles
54 kilometers per liter 1 vehicles
55 kilometers per liter 0 vehicles
56 kilometers per liter 1 vehicles
57 kilometers per liter 1 vehicles
58 kilometers per liter 0 vehicles
59 kilometers per liter 0 vehicles
60 kilometers per liter 0 vehicles
61 kilometers per liter 0 vehicles
62 kilometers per liter 0 vehicles
63 kilometers per liter 0 vehicles
64 kilometers per liter 0 vehicles
65 kilometers per liter 1 vehicles
66 kilometers per liter 0 vehicles
67 kilometers per liter 1 vehicles
68 kilometers per liter 1 vehicles
69 kilometers per liter 0 vehicles
70 kilometers per liter 1 vehicles
71 kilometers per liter 0 vehicles
72 kilometers per liter 0 vehicles
73 kilometers per liter 0 vehicles
74 kilometers per liter 0 vehicles
75 kilometers per liter 1 vehicles
76 kilometers per liter 0 vehicles
77 kilometers per liter 0 vehicles
78 kilometers per liter 0 vehicles
79 kilometers per liter 0 vehicles
80 kilometers per liter 1 vehicles
81 kilometers per liter 0 vehicles
82 kilometers per liter 0 vehicles
83 kilometers per liter 0 vehicles
84 kilometers per liter 0 vehicles
85 kilometers per liter 0 vehicles
86 kilometers per liter 0 vehicles
87 kilometers per liter 0 vehicles
88 kilometers per liter 0 vehicles
89 kilometers per liter 0 vehicles
90 kilometers per liter 0 vehicles
91 kilometers per liter 0 vehicles
92 kilometers per liter 0 vehicles
93 kilometers per liter 0 vehicles
94 kilometers per liter 0 vehicles
95 kilometers per liter 0 vehicles
96 kilometers per liter 0 vehicles
97 kilometers per liter 0 vehicles
98 kilometers per liter 0 vehicles
99 kilometers per liter 0 vehicles
100 kilometers per liter 0 vehicles
101 kilometers per liter 0 vehicles
102 kilometers per liter 0 vehicles
103 kilometers per liter 0 vehicles
104 kilometers per liter 0 vehicles
105 kilometers per liter 0 vehicles
106 kilometers per liter 0 vehicles
107 kilometers per liter 0 vehicles
108 kilometers per liter 0 vehicles
109 kilometers per liter 0 vehicles
110 kilometers per liter 1 vehicles
Model Year Body/Powertrain km/L  
2003 2003 2dr Hatch turbocharged 241hp 2.0L I4 7-sp shiftable automatic AWD 39.02
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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 39.02 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 13.39
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2003 2003 4dr Sedan 248-hp 3.5L V6 7-sp shiftable automatic AWD 56.5
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2003 2003 4dr Sedan 228-hp 3.0L V6 7-sp shiftable automatic RWD 67.43
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2003 2003 4dr Sedan turbocharged 241hp 2.0L I4 7-sp shiftable automatic AWD 82.95
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2003 2003 4dr Sedan turbocharged 241hp 2.0L I4 7-sp shiftable automatic RWD 23.81
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2003 2003 4dr Wagon 248-hp 3.5L V6 7-sp shiftable automatic AWD 44
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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 (km/L)

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 km/L based on how and where you drive a car.