Charging a 2027 Mercedes-Benz CLA350 4matic with EQ Tech at home in Montana
A 2027 Mercedes-Benz CLA350 4matic with EQ Tech draws 29 kWh per 100 miles per the EPA; at Montana's 13.77¢/kWh residential rate that's $3.99 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 75.1% cheaper per mile than gasoline in Montana — charging at home costs a fraction of what gas would here.
Annual cost, at 15 thousands miles a year
Montana owners putting 15,000 annual miles on a 2027 Mercedes-Benz CLA350 4matic with EQ Tech spend about $599 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,804 saved annually, at this mileage.
What one full charge costs
At Montana's rate, fully covering this 2027 Mercedes-Benz CLA350 4matic with EQ Tech's 312-mile EPA range costs about $12.46 (90.5 kWh) — the energy the EPA test actually used, not the battery's rated size.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Mercedes-Benz CLA350 4matic with EQ Tech in Montana ranks 901 for cost savings versus gas — 1 being the best deal nationally. Separately, the Mercedes-Benz CLA350 4matic with EQ Tech ranks 40 of 400 EV models for raw efficiency, and Montana ranks 10 of 51 for cheapest residential electricity.
Getting set up to charge a 2027 Mercedes-Benz CLA350 4matic with EQ Tech at home
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.
Ask a licensed Montana electrician to quote the install before this math becomes a real decision.
More on how this number was built
See the methodology guide for exactly which EIA and EPA figures feed 2027 Mercedes-Benz CLA350 4matic with EQ Tech's cost in Montana. At 13.77¢/kWh, Montana sits in the middle of the national range — the guide to why charging cost varies by state shows where.