2003 · Compact Car · Gas

2003 Mercedes-Benz C-Class MPG & fuel economy

The 2003 Mercedes-Benz C-Class is a compact car offered in 12 EPA-rated configurations. The most efficient version returns 24 MPG combined (21 city / 29 highway) on premium gasoline. Across the lineup, combined ratings range from 17 to 24 MPG. That's up 3 MPG from the 2002 model. Among 45 compact cars rated for 2003, it ranks 34th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,469 a year to fuel.

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Combined 24 MPG 21 MPG city · 29 MPG hwy

Driving range — not published for this model

Your fuel cost $2,469 15,000 mi/yr · $16.46 per 100 mi

Class rank, 2003 #34 of 45 Compact Cars by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Miles per year Premium gas $/gal

Fuel average

The 2003 Mercedes-Benz C-Class's fuel average is 10.2 km/L (9.8 L/100 km), or 24 MPG combined: 8.9 km/L in the city and 12.3 km/L on the highway.

	MPG	km/L	L/100 km
City	21	8.9	11.2
Highway	29	12.3	8.1
Combined	24	10.2	9.8

How it ranks among 2003 Compact Cars

Full class ranking →

1Honda Civic Hybrid41 MPG $1,134
2Toyota Prius41 MPG $1,134
3Honda Civic34 MPG $1,368
4Toyota Echo33 MPG $1,409
5Volkswagen Jetta Diesel39 MPG $1,423
···
34Mercedes-Benz C-Class24 MPG $2,469
···
45Mercedes-Benz CL-Class16 MPG $3,703

2003 C-ClassOther compact carsClass median: $1,938/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

C-Class MPG across model years

Full history →

12 EPA-rated configurations

Configuration	Type	City	Hwy	Combined	Range	Your cost / yr
RWD · 1.8L 4-cyl · 5-speed automatic C230 Kompressor	Gas	21 MPG	29 MPG	24 MPG	—	$2,469
RWD · 1.8L 4-cyl supercharged · 5-speed automatic C230 Kompressor	Gas	20 MPG	28 MPG	23 MPG	—	$2,576
RWD · 1.8L 4-cyl supercharged · 6-speed manual C230 Kompressor	Gas	18 MPG	28 MPG	22 MPG	—	$2,693
RWD · 1.8L 4-cyl · 6-speed manual C230 Kompressor	Gas	19 MPG	28 MPG	22 MPG	—	$2,693
RWD · 3.2L 6-cyl · 5-speed automatic C320	Gas	18 MPG	24 MPG	20 MPG	—	$2,962
RWD · 2.6L 6-cyl · 5-speed automatic C240	Gas	17 MPG	23 MPG	19 MPG	—	$3,118
4WD/AWD · 2.6L 6-cyl · 5-speed automatic C240 4matic	Gas	17 MPG	23 MPG	19 MPG	—	$3,118
4WD/AWD · 3.2L 6-cyl · 5-speed automatic C320 4matic	Gas	17 MPG	23 MPG	19 MPG	—	$3,118
RWD · 3.2L 6-cyl · 5-speed automatic C320 Sports Coupe	Gas	17 MPG	23 MPG	19 MPG	—	$3,118
RWD · 2.6L 6-cyl · 6-speed manual C240	Gas	15 MPG	24 MPG	18 MPG	—	$3,292
RWD · 3.2L 6-cyl · 6-speed manual C320	Gas	15 MPG	23 MPG	18 MPG	—	$3,292
RWD · 3.2L 6-cyl supercharged · 5-speed automatic C32 AMG	Gas	15 MPG	19 MPG	17 MPG	—	$3,485

Specs (most efficient configuration)

Fuel: Premium gasoline
Engine / motor: 1.8L 4-cyl
Transmission: 5-speed automatic
Drivetrain: RWD
Passenger volume: 85 cu ft
Cargo volume: 16 cu ft
Tailpipe CO₂: 370 g/mi

2003 Mercedes-Benz C-Class vs. rivals

vs Volvo S40 22 MPG · $2,693/yr C-Class saves $224/yr vs Audi A4 23 MPG · $2,576/yr C-Class saves $107/yr vs Infiniti G35 19 MPG · $2,447/yr G35 saves $21/yr vs Volvo S60 23 MPG · $2,576/yr C-Class saves $107/yr vs Acura CL 21 MPG · $2,821/yr C-Class saves $353/yr vs BMW 5 Series 22 MPG · $2,693/yr C-Class saves $224/yr vs Saab 9-3 23 MPG · $2,022/yr 9-3 saves $447/yr

Compare the 2003 C-Class

With any other car from any year, including other C-Class model years. Type a year to jump, e.g. "2015 Accord".

Frequently asked questions

What is the gas mileage of the 2003 Mercedes-Benz C-Class?

Up to 24 MPG combined (21 city / 29 highway); ratings range from 17 to 24 MPG depending on configuration.

What fuel does the 2003 Mercedes-Benz C-Class use?

Premium gasoline (premium is required or recommended by the manufacturer).

What is the fuel average in km/L for the 2003 Mercedes-Benz C-Class?