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Mercedes-Benz ML-Class Fuel Economy (MPG)

What is the real-world gas mileage of a 2015 Mercedes-Benz ML-Class?

The 2015 Mercedes-Benz ML-Class gets up to 25 MPG combined (22 city / 29 highway) in EPA testing.

Latest model year (2015):

The Mercedes-Benz ML-Class gets up to 25 MPG combined (22 city / 29 highway) in the Auto 7-spd, 4 cyl, 2.1 L trim.

Verifiedfueleconomy.gov · Verified August 11, 2026
OverviewMPGEngine SpecsFuel CostTransmissionDrivetrainVehicle ClassMaintenance

Mercedes-Benz ML-Class MPG — All Years

YearTrimEngineFuelCity (MPG)Hwy (MPG)Combined (MPG)
2015Config 1 of 6Auto 7-spd, 4 cyl, 2.1 L4 2.1LDiesel222925
2015Config 2 of 6Auto 7-spd, 6 cyl, 3.0 L6 3.0LPremium Gasoline182220
2015Config 3 of 6Auto 7-spd, 6 cyl, 3.5 L6 3.5LPremium Gasoline182219
2015Config 4 of 6Auto 7-spd, 6 cyl, 3.5 L6 3.5LPremium Gasoline182320
2015Config 5 of 6Auto 7-spd, 6 cyl, 3.5 L6 3.5LPremium Gasoline182219
2015Config 6 of 6Auto 7-spd, 8 cyl, 5.5 L8 5.5LPremium Gasoline131715

Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.

Mercedes-Benz ML-Class data analysis

How Mercedes-Benz ML-Class combined fuel economy varies

Across 6 configurations recorded for the 2015 Mercedes-Benz ML-Class, combined fuel economy runs from 15 MPG to 25 MPG. The strongest figure belongs to the 2015 Mercedes-Benz ML-Class (Auto 7-spd, 4 cyl, 2.1 L) at 25 MPG, and the weakest to the 2015 car (Auto 7-spd, 8 cyl, 5.5 L) at 15 MPG — a spread of 67%. A gap that wide means the model year and configuration you buy matter more than the nameplate does: quoting a single number for the Mercedes-Benz ML-Class would be misleading.

How to read this Mercedes-Benz ML-Class data

This page lists every 2015 Mercedes-Benz ML-Class record we hold for this measurement — 6 rows in total, one per configuration and model year rather than a single headline figure. Figures are published as the source agency records them: we do not round, average or interpolate missing years, and a year that is absent from the table is a year with no published measurement rather than a zero. Where a manufacturer offered several drivetrains or body styles in the same year, each appears on its own row, because those variants rarely share the same numbers.

Where these Mercedes-Benz ML-Class figures come from

Every value on this page is loaded from federal open data — EPA fuel economy submissions, NHTSA vehicle and crash-test records, and manufacturer specification filings — rather than dealer listings or copied editorial content. The Mercedes-Benz ML-Class record refreshes as the agencies publish, which typically means new model-year rows appear in the autumn and crash-test results follow through the model year as vehicles are tested. Because certification data is filed per configuration, treat any single headline number for this vehicle with caution: the figure that applies to a specific car depends on its engine, drivetrain, body style and model year, all of which are listed separately above. If a number here disagrees with a brochure, the brochure is usually quoting the best available configuration rather than the one being sold.

Official Factory Specs vs. AutoSpecData Expert Benchmarks

The EPA highway loop never holds interstate speed. Here is what the same engine does when you sit on the cruise control.

Cruise speedEPA highway specAutoSpecData adjusted MPGFuel you lose
60 mph29 MPG29 MPG0%
65 mph29 MPG26.5 MPG9%
70 mph29 MPG24.2 MPG17%
75 mph29 MPG22.1 MPG24%
80 mph29 MPG20.3 MPG30%

Our Real-World Speed MPG Adjuster re-scales the Mercedes-Benz ML-Class EPA highway result with a quadratic drag term (mpg = hwy ÷ (1 + k·(v² − 60²)/60²), k = 0.55 for trucks, SUVs and vans, 0.42 for cars). Wind, roof racks, and a heavy right foot make it worse, never better.

Frequently Asked Questions About ML-Class MPG

What is the MPG of the Mercedes-Benz ML-Class?

The Mercedes-Benz ML-Class gets up to 25 MPG combined (22 city / 29 highway) in the 2015 model year. Fuel economy varies by engine and trim — see the full table above for details.

Which Mercedes-Benz ML-Class trim has the best fuel economy?

The Auto 7-spd, 4 cyl, 2.1 L trim offers the best combined fuel economy at 25 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.

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