- Newest year: 2015
- Gas
- Diesel
- Standard SUVs
2012-2015 Mercedes-Benz ML-Class MPG & Fuel Cost
4 model years · 15–25 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 4 of 10 standard SUV configurations, MY2015. Ranked against all rated configurations, not sales-weighted.
2012-2015 Mercedes-Benz ML-Class at a glance
The 2012-2015 Mercedes-Benz ML-Class covers 4 model years in the EPA database (20 configurations in all), rated 15–25 MPG combined. The newest model year, 2015, costs about $3,830 a year to fuel for its most efficient version, the ML250 Bluetec 4matic 2.1L 4-cyl turbo 4WD (25 MPG), at diesel $6.29/gal (U.S. average, Sep 2026). Powertrains over the years: gas and diesel. EPA changed the ratings in 2013, 2014 and 2015. The best combined rating in the generation, 25 MPG, was reached in 2015.
2012-2015 Mercedes-Benz ML-Class by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2015 | Gas, Diesel | 15–25 MPG | $3,830–$5,530 | Ratings changed |
| 2014 | Gas | 15–20 MPG | $3,970–$5,530 | Ratings changed |
| 2013 | Gas | 15–20 MPG | $4,010–$5,530 | Ratings changed |
| 2012 | Gas | 15–20 MPG | $4,080–$5,200 | First year |
What the 2015 ML350 3.5L 6-cyl RWD costs to drive
Per month
$331
$3,970 a year ÷ 12
Per 25 miles
$6.62
Per 100 miles
$26.47
Five years
$19,850
5 × the yearly cost, prices held at today's level
vs the standard SUV median
$170more a year
Class median $3,800 a year, MY2015
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2015 Mercedes-Benz ML-Class MPG
Versus 2014: The most efficient configuration moves from 20 to 25 MPG, up 5. Its annual cost goes from $3,970 to $3,830, $140 less.
Gas configurations (5)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| ML350 (Most efficient) | 3.5L 6-cyl | RWD | 18 | 23 | 20 | $3,970 |
| ML400 4matic | 3.0L 6-cyl turbo | 4WD | 18 | 22 | 20 | $4,110 |
| ML350 4matic 3.5L 6-cyl 4WD Automatic 7-spd | 3.5L 6-cyl | 4WD | 18 | 22 | 19 | $4,140 |
| ML350 4matic 3.5L 6-cyl 4WD Automatic 7-spd | 3.5L 6-cyl | 4WD | 18 | 22 | 19 | $4,140 |
| ML63 AMG | 5.5L 8-cyl turbo | 4WD | 13 | 17 | 15 | $5,530 |
5 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Flex-fuel (E85) configurations are costed on gasoline, not E85.
Diesel configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| ML250 Bluetec 4matic (Most efficient) | 2.1L 4-cyl turbo | 4WD | 22 | 29 | 25 | $3,830 |
Diesel is priced at diesel $6.29/gal (U.S. average, Sep 2026).
2014 Mercedes-Benz ML-Class MPG
15–20 MPG · $3,970–$5,530/yr
Versus 2013: The most efficient configuration stays at 20 MPG. Its annual cost goes from $4,010 to $3,970, $40 less.
Gas configurations (5)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| ML350 (Most efficient) | 3.5L 6-cyl | RWD | 18 | 23 | 20 | $3,970 |
| ML350 4matic 3.5L 6-cyl 4WD Automatic 7-spd | 3.5L 6-cyl | 4WD | 18 | 22 | 19 | $4,140 |
| ML350 4matic 3.5L 6-cyl 4WD Automatic 7-spd | 3.5L 6-cyl | 4WD | 18 | 22 | 19 | $4,140 |
| ML550 4matic | 4.7L 8-cyl turbo | 4WD | 14 | 19 | 16 | $4,990 |
| ML63 AMG | 5.5L 8-cyl turbo | 4WD | 13 | 17 | 15 | $5,530 |
5 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Flex-fuel (E85) configurations are costed on gasoline, not E85.
2013 Mercedes-Benz ML-Class MPG
15–20 MPG · $4,010–$5,530/yr
Versus 2012: The most efficient configuration stays at 20 MPG. Its annual cost goes from $4,080 to $4,010, $70 less.
Gas configurations (5)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| ML350 (Most efficient) | 3.5L 6-cyl | RWD | 18 | 23 | 20 | $4,010 |
| ML350 4matic 3.5L 6-cyl 4WD Automatic 7-spd | 3.5L 6-cyl | 4WD | 18 | 23 | 20 | $4,080 |
| ML350 4matic 3.5L 6-cyl 4WD Automatic 7-spd | 3.5L 6-cyl | 4WD | 18 | 23 | 20 | $4,080 |
| ML550 4matic | 4.7L 8-cyl turbo | 4WD | 14 | 20 | 16 | $4,900 |
| ML63 AMG | 5.5L 8-cyl turbo | 4WD | 13 | 17 | 15 | $5,530 |
5 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Flex-fuel (E85) configurations are costed on gasoline, not E85.
2012 Mercedes-Benz ML-Class MPG
15–20 MPG · $4,080–$5,200/yr
Gas configurations (4)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| ML350 4matic 3.5L 6-cyl 4WD Automatic 7-spd (Most efficient) | 3.5L 6-cyl | 4WD | 18 | 23 | 20 | $4,080 |
| ML350 4matic 3.5L 6-cyl 4WD Automatic 7-spd | 3.5L 6-cyl | 4WD | 17 | 22 | 19 | $4,220 |
| ML550 4matic | 4.7L 8-cyl turbo | 4WD | 15 | 20 | 17 | $4,800 |
| ML63 AMG | 5.5L 8-cyl turbo | 4WD | 14 | 18 | 15 | $5,200 |
4 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Flex-fuel (E85) configurations are costed on gasoline, not E85.
Fuel cost by state
Yearly cost of the ML350 3.5L 6-cyl RWD: $4,740 in California and $3,440 in Texas, a $1,300 difference.
- California $4,740
- Washington $4,450
- New York $3,920
- Florida $3,630
- Texas $3,440
Similar cars
Closest combined MPG among MY2015 standard SUV models.
Generations
- 2000-2005 (W163)
- 2006-2011 (W164)
- 2012-2015 (W166)
Frequently asked questions
What gas mileage does the 2012-2015 Mercedes-Benz ML-Class get?
EPA rates the 2012-2015 Mercedes-Benz ML-Class at 15–25 MPG combined across 20 configurations and 4 model years. The most efficient version, the 2015 ML250 Bluetec 4matic 2.1L 4-cyl turbo 4WD, is rated 25 MPG (22 city, 29 highway). By powertrain: Gas: 15–20 MPG; Diesel: 25 MPG.
Which years had the best MPG in the 2012-2015 Mercedes-Benz ML-Class?
The ML250 Bluetec 4matic 2.1L 4-cyl turbo 4WD reached the generation's best combined rating, 25 MPG, in 2015. The lowest top rating, 20 MPG, was in 2012, 2013 and 2014.
Did EPA ratings change during the 2012-2015 Mercedes-Benz ML-Class?
Yes. Ratings changed in 2013, 2014 and 2015.
How does the 2012-2015 Mercedes-Benz ML-Class compare with the previous generation?
The previous generation (2006-2011 Mercedes-Benz ML-Class) is rated 12–22 MPG combined and costs $3,650–$6,700 a year to fuel; the 2012-2015 model is rated 15–25 MPG and costs $3,830–$5,530 a year.
How much does it cost to fuel a 2015 Mercedes-Benz ML-Class per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the ML350 3.5L 6-cyl RWD costs about $3,970 a year. Across all 6 configurations the cost runs $3,830–$5,530 a year. That is a $1,700 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2015 Mercedes-Benz ML-Class 100 miles?
About $26.47 per 100 miles for the ML350 3.5L 6-cyl RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $25.53 and $36.87 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2015 Mercedes-Benz ML-Class more efficient in the city or on the highway?
The ML350 3.5L 6-cyl RWD is rated 18 city and 23 highway MPG, so it is more efficient on the highway, by 5 MPG.
How does the 2015 Mercedes-Benz ML-Class compare with other standard SUV configurations?
The ML350 3.5L 6-cyl RWD costs about $3,970 a year to fuel, $170 more than the class median of $3,800, and less than 4 of 10 standard SUV configurations. The comparison covers all 134 rated standard SUV configurations for MY2015, not weighted by sales.
Is the 2015 Mercedes-Benz ML-Class different from the 2014 model?
The most efficient configuration moves from 20 to 25 MPG, up 5. Its annual cost goes from $3,970 to $3,830, $140 less. EPA lists 6 configurations for 2015 against 5 configurations for 2014. See the 2014 Mercedes-Benz ML-Class for that year.