2014 Mercedes-Benz B-Class Electric Drive MPG & Specs — Real-World vs EPA, All Trims
This is an electric model — no gasoline.
Is the 2014 Mercedes-Benz B-Class Electric Drive good on gas?
At up to 84 MPG combined, the 2014 Mercedes-Benz B-Class Electric Drive is better than average for a Midsize Cars — that class averages about 23.0 MPG across 5,710 EPA-tested versions, so it's a good pick on fuel for its size.
Real-world MPG vs the EPA number
The EPA figures above come from a standardized dynamometer test, not the open road — real-world MPG typically runs a bit lower depending on your driving, climate and terrain. That's true of every car on this site, old or new.
EPA updated its fuel-economy equations again for model year 2017 — mostly affecting hybrids and turbocharged engines — and recalculated 2011-2016 ratings to match, in some cases 1-2 MPG lower. The number above already reflects that update.
For its most efficient trim, the EPA estimates about $900 a year in fuel (15,000 miles) — roughly $75 a month.
2014 Mercedes-Benz B-Class Electric Drive trims & fuel economy
| Trim (engine / transmission) | Fuel | MPG | Fuel/yr (today's price) |
|---|---|---|---|
| electric, A1 automatic, FWD | ELECTRIC | 84 | $900 |
2014 Mercedes-Benz B-Class Electric Drive specs
What the EPA test-car listings record for this model year — every combination sold is a row in the trims table above.
| Engine options | Electric |
| Transmission | A1 automatic |
| Drive type | FWD |
| EPA body class | Midsize Cars |
| Fuel | Electric |
Other years of the Mercedes-Benz B-Class Electric Drive
Similar cars (Midsize Cars)
Cars that take premium · Cheapest cars to fuel · Where fuel grade depends on the trim · Fuel guides
1 trim(s) · EPA FuelEconomy.gov data retrieved 2026-07-24 · fuel prices AAA national average as of 2026-07-05.