Charging a 2027 Mercedes-Benz CLA250 Plus with EQ Tech at home in Illinois

A 2027 Mercedes-Benz CLA250 Plus with EQ Tech draws 31 kWh per 100 miles per the EPA; at Illinois's 19.22¢/kWh residential rate that's $5.96 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 62.8% cheaper per mile than gasoline in Illinois — charging at home is much cheaper than gas here.

2027 Mercedes-Benz CLA250 Plus with EQ Tech: yearly cost in Illinois

Illinois owners putting 15,000 annual miles on a 2027 Mercedes-Benz CLA250 Plus with EQ Tech spend about $894 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,509 saved annually, at this mileage.

Cost of a full charge

At Illinois's rate, fully covering this 2027 Mercedes-Benz CLA250 Plus with EQ Tech's 317-mile EPA range costs about $18.89 (98.3 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Mercedes-Benz CLA250 Plus with EQ Tech in Illinois ranks 9,207 for cost savings versus gas — 1 being the best deal nationally. Separately, the Mercedes-Benz CLA250 Plus with EQ Tech ranks 73 of 400 EV models for raw efficiency, and Illinois ranks 36 of 51 for cheapest residential electricity.

Next step: home charger installation

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Line up a few Illinois electrician quotes for Level 2 install before you commit either way.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Mercedes-Benz CLA250 Plus with EQ Tech's cost in Illinois. At 19.22¢/kWh, Illinois sits in the middle of the national range — the guide to why charging cost varies by state shows where.