2012 · SUV · Gas
2012 Mercedes-Benz GL-Class MPG & fuel economy
The 2012 Mercedes-Benz GL-Class is a SUV offered in 2 EPA-rated configurations. The most efficient version returns 15 MPG combined (13 city / 18 highway) on premium gasoline. Across the lineup, combined ratings range from 14 to 15 MPG. Efficiency is unchanged from the 2011 model. Among 94 SUVs rated for 2012, it ranks 92nd for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $3,950 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 GL-Class's fuel average is 6.4 km/L (15.7 L/100 km), or 15 MPG combined: 5.5 km/L in the city and 7.7 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 13 | 5.5 | 18.1 |
| Highway | 18 | 7.7 | 13.1 |
| Combined | 15 | 6.4 | 15.7 |
How it ranks among 2012 SUVs
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
GL-Class MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| 4WD · 4.7L 8-cyl · 7-speed automatic GL450 4matic |
Gas | 13 MPG | 18 MPG | 15 MPG | — | $3,950 |
| 4WD · 5.5L 8-cyl · 7-speed automatic GL550 4matic |
Gas | 12 MPG | 17 MPG | 14 MPG | — | $4,232 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 4.7L 8-cyl
- Transmission
- 7-speed automatic
- Drivetrain
- 4WD
- Tailpipe CO₂
- 592 g/mi
2012 Mercedes-Benz GL-Class vs. rivals
Compare the 2012 GL-Class
With any other car from any year, including other GL-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 GL-Class?
Up to 15 MPG combined (13 city / 18 highway); ratings range from 14 to 15 MPG depending on configuration.
What fuel does the 2012 Mercedes-Benz GL-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 GL-Class?
The 2012 Mercedes-Benz GL-Class's fuel average is 6.4 km/L (15.7 L/100 km), or 15 MPG combined: 5.5 km/L in the city and 7.7 km/L on the highway.
How much does it cost to fuel the 2012 Mercedes-Benz GL-Class per year?
About $3,950 at 15,000 miles a year with $3.95/gal premium gas, or $26.33 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.