2012 · Compact Car · Gas / Flex-fuel
2012 Mercedes-Benz C-Class MPG & fuel economy
The 2012 Mercedes-Benz C-Class is a compact car offered in 10 EPA-rated configurations. The most efficient version returns 25 MPG combined (21 city / 31 highway) on premium gasoline. Across the lineup, combined ratings range from 15 to 25 MPG. That's up 4 MPG from the 2011 model. Among 46 compact cars rated for 2012, it ranks 38th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,370 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2012 Mercedes-Benz C-Class's fuel average is 10.6 km/L (9.4 L/100 km), or 25 MPG combined: 8.9 km/L in the city and 13.2 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 21 | 8.9 | 11.2 |
| Highway | 31 | 13.2 | 7.6 |
| Combined | 25 | 10.6 | 9.4 |
How it ranks among 2012 Compact Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
C-Class MPG across model years
Full history →10 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 1.8L 4-cyl turbo · 7-speed automatic C250 |
Gas | 21 MPG | 31 MPG | 25 MPG | — | $2,370 |
| RWD · 1.8L 4-cyl turbo · 7-speed automatic C250 Coupe |
Gas | 21 MPG | 30 MPG | 25 MPG | — | $2,370 |
| RWD · 3.5L 6-cyl · 7-speed automatic C350 |
Gas | 20 MPG | 29 MPG | 23 MPG | — | $2,576 |
| RWD · 3.5L 6-cyl · 7-speed automatic C350 Coupe |
Gas | 19 MPG | 28 MPG | 22 MPG | — | $2,693 |
| RWD · 3.5L 6-cyl · 7-speed automatic C350 |
Flex-fuel | 19 MPG | 28 MPG | 22 MPG | — | $2,693 |
| 4WD · 3.5L 6-cyl · 7-speed automatic C350 4matic Coupe |
Gas | 19 MPG | 27 MPG | 22 MPG | — | $2,693 |
| 4WD · 3.0L 6-cyl · 7-speed automatic C300 4matic |
Gas | 17 MPG | 24 MPG | 20 MPG | — | $2,962 |
| 4WD · 3.0L 6-cyl · 7-speed automatic C300 4matic |
Flex-fuel | 18 MPG | 25 MPG | 20 MPG | — | $2,962 |
| RWD · 6.2L 8-cyl · 7-speed automatic C63 AMG Black Series Coupe |
Gas | 13 MPG | 19 MPG | 16 MPG | — | $3,703 |
| RWD · 6.2L 8-cyl · 7-speed automatic C63 AMG Coupe |
Gas | 13 MPG | 19 MPG | 15 MPG | — | $3,950 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 1.8L 4-cyl turbo
- Transmission
- 7-speed automatic
- Drivetrain
- RWD
- Passenger volume
- 88 cu ft
- Cargo volume
- 12 cu ft
- Tailpipe CO₂
- 355 g/mi
2012 Mercedes-Benz C-Class vs. rivals
Compare the 2012 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 2012 Mercedes-Benz C-Class?
Up to 25 MPG combined (21 city / 31 highway); ratings range from 15 to 25 MPG depending on configuration.
What fuel does the 2012 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 2012 Mercedes-Benz C-Class?
The 2012 Mercedes-Benz C-Class's fuel average is 10.6 km/L (9.4 L/100 km), or 25 MPG combined: 8.9 km/L in the city and 13.2 km/L on the highway.
How much does it cost to fuel the 2012 Mercedes-Benz C-Class per year?
About $2,370 at 15,000 miles a year with $3.95/gal premium gas, or $15.80 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.