Mercedes-Benz A-Class Fuel Economy (MPG)

Name: Mercedes-Benz A-Class MPG & Fuel Economy
Creator: AutoSpecData
License: https://creativecommons.org/licenses/by/4.0/

What is the real-world gas mileage of a 2022 Mercedes-Benz A-Class?

The 2022 Mercedes-Benz A-Class gets up to 29 MPG combined (25 city / 36 highway) in EPA testing.

Latest model year (2022):

The Mercedes-Benz A-Class gets up to 28 MPG combined (24 city / 35 highway) in the Auto (AM7), 4 cyl, 2.0 L trim.

Verifiedfueleconomy.gov · Verified August 9, 2026

Overview MPG Engine Specs Fuel Cost Transmission Drivetrain Vehicle Class Maintenance Dimensions Curb Weight

Mercedes-Benz A-Class MPG — All Years

Year	Trim	Engine	Fuel	City (MPG)	Hwy (MPG)	Combined (MPG)
2022Config 1 of 3	Auto (AM7), 4 cyl, 2.0 L	4 2.0L	Premium Gasoline	24	35	28
2022Config 2 of 3	Auto (AM7), 4 cyl, 2.0 L	4 2.0L	Premium Gasoline	22	30	25
2022Config 3 of 3	Auto (AM7), 4 cyl, 2.0 L	4 2.0L	Premium Gasoline	25	35	28
2021Config 1 of 3	Auto (AM7), 4 cyl, 2.0 L	4 2.0L	Premium Gasoline	22	29	25
2021Config 2 of 3	Auto (AM7), 4 cyl, 2.0 L	4 2.0L	Premium Gasoline	25	34	28
2021Config 3 of 3	Auto (AM7), 4 cyl, 2.0 L	4 2.0L	Premium Gasoline	25	36	29
2020Config 1 of 3	Auto (AM7), 4 cyl, 2.0 L	4 2.0L	Premium Gasoline	24	31	27
2020Config 2 of 3	Auto 7-spd, 4 cyl, 2.0 L	4 2.0L	Premium Gasoline	24	35	28
2020Config 3 of 3	Auto 7-spd, 4 cyl, 2.0 L	4 2.0L	Premium Gasoline	24	34	28
2019Config 1 of 2	Auto 7-spd, 4 cyl, 2.0 L	4 2.0L	Premium Gasoline	24	35	28
2019Config 2 of 2	Auto 7-spd, 4 cyl, 2.0 L	4 2.0L	Premium Gasoline	24	34	28

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 A-Class data analysis

How Mercedes-Benz A-Class combined fuel economy varies

Across 11 configurations recorded for the 2019 through 2022 Mercedes-Benz A-Class, combined fuel economy runs from 25 MPG to 29 MPG. The strongest figure belongs to the 2021 Mercedes-Benz A-Class (Auto (AM7), 4 cyl, 2.0 L) at 29 MPG, and the weakest to the 2022 car (Auto (AM7), 4 cyl, 2.0 L) at 25 MPG — a spread of 16%. The narrow spread means any year of the Mercedes-Benz A-Class in this table behaves much like the others, so you can shop on price, condition and mileage rather than chasing a particular model year.

What changed for 2022

Average combined fuel economy for the 2022 Mercedes-Benz A-Class is 27 MPG, against 27.3 MPG for the 2021 car — it fell by 0.3 MPG. Buyers who care most about this figure should look at the earlier model years in the table above before assuming newest is best.

How to read this Mercedes-Benz A-Class data

This page lists every 2019 through 2022 Mercedes-Benz A-Class record we hold for this measurement — 11 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.

Configurations behind these Mercedes-Benz A-Class numbers

The 2019 through 2022 Mercedes-Benz A-Class entries here cover the variants Auto (AM7), 4 cyl, 2.0 L and Auto 7-spd, 4 cyl, 2.0 L. 2022 is the busiest model year in the record with 3 separate measured configurations, which is why a single quoted combined fuel economy figure for that year is rarely the one that matches the car in front of you. Match the row to the exact drivetrain, body style and engine on the window sticker or VIN before relying on the number, and use the comparison links below to see how those same configurations line up against rival models.

Where these Mercedes-Benz A-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 A-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 speed	EPA highway spec	AutoSpecData adjusted MPG	Fuel you lose
60 mph	36 MPG	36 MPG	0%
65 mph	36 MPG	33.6 MPG	7%
70 mph	36 MPG	31.3 MPG	13%
75 mph	36 MPG	29.1 MPG	19%
80 mph	36 MPG	27.1 MPG	25%

Our Real-World Speed MPG Adjuster re-scales the Mercedes-Benz A-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 A-Class MPG

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

The Mercedes-Benz A-Class gets up to 29 MPG combined (25 city / 36 highway) in the 2022 model year. Fuel economy varies by engine and trim — see the full table above for details.

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

The Auto (AM7), 4 cyl, 2.0 L trim offers the best combined fuel economy at 29 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.