Mercedes-Benz · Compact cars · Electric
Mercedes-Benz CLA-Class Electric: MPG and annual fuel cost, 2026
The Mercedes-Benz CLA-Class Electric has 3 rated versions for 2026, from 109 to 126 MPGe combined; its most efficient version is the most efficient of the 21 compact cars rated that year.
- 126MPGe combined1st of 21 in class
- $600a year in fuel1st of 21 in class
- 0g/mile CO2
Where it stands
Compared only with the electric models of its class it is the most efficient of the 7 electric compact cars rated that year. The median of that narrower group is 93 MPGe, against 34 MPGe for all compact cars together.
Across every class it is tied for 7th of 66 electric models, in the top quarter.
Mercedes-Benz has 22 models in the 2026 data. This one ranks 1st of them on combined rating, against a make median of 25.5 MPGe.
In its class, just behind it is the BMW i4 at 118 MPGe.
Electric models use no fuel and have no tailpipe CO2. Efficiency is given in MPGe, the miles driven on 33.7 kilowatt-hours of electricity, which is the energy in one gallon of gasoline. The annual cost is electricity at $0.15 per kWh.
Fuel cost and CO2
At 15,000 miles a year with 55% of them in the city, with electricity at $0.15 per kWh, the annual fuel bill of the most efficient version is about $600. That is $1,350 less than the compact cars median of $1,950.
It has no tailpipe emissions, so the CO2 column is zero; the emissions from making the electricity are not part of this figure.
Rated versions
It does better in town than on the road: 127 in the city against 124 on the highway, a gap of 3. 3 versions are rated for 2026. The most efficient, CLA250 Plus with EQ Tech (R22): electric motor, Automatic (A1), RWD, gets 126 MPGe; the least efficient listed, CLA250 Plus with EQ Tech: electric motor, Automatic (A1), RWD, gets 109 MPGe, a gap of 17 MPGe. With the file's assumptions that gap is worth about $100 a year in fuel.
| Version | Combined MPG | City MPG | Highway MPG | Annual fuel cost | CO2 g/mile | Electric range |
|---|---|---|---|---|---|---|
| CLA250 Plus with EQ Tech (R22): electric motor, Automatic (A1), RWD | 126 | 127 | 124 | $600 | 0 | 374 |
| CLA350 4matic with EQ Tech: electric motor, Automatic (A2), AWD | 118 | 120 | 115 | $650 | 0 | 312 |
| CLA250 Plus with EQ Tech: electric motor, Automatic (A1), RWD | 109 | 112 | 105 | $700 | 0 | 317 |
Year by year
The Mercedes-Benz CLA-Class Electric appears in the data for model year 2026 only, one of the 8 model years from 2019 to 2026.
| Model year | Versions | Best MPG | Lowest MPG | Fuel cost | CO2 g/mi | Class median |
|---|---|---|---|---|---|---|
| 2026 | 3 | 126 | 109 | $600 | 0 | 34 |
Similar models
| Model | Powertrain | Combined MPG | Annual fuel cost | Model year |
|---|---|---|---|---|
| BMW i4 | Electric | 118 | $650 | 2026 |
| BMW i5 | Electric | 110 | $700 | 2026 |
| Porsche Taycan | Electric | 93 | $800 | 2026 |
| Audi RS e-tron | Electric | 84 | $900 | 2026 |
| Rolls-Royce Spectre | Electric | 77 | $1,000 | 2026 |
Compare and rank
Rankings: Compact cars, Electric, Mercedes-Benz, Electric compact cars.
Data: US EPA and DOE, as prepared in methods and data.