Charging a 2027 Mercedes-Benz CLA350 4matic with EQ Tech at home in Arizona

At Arizona's residential electricity rate of 15.45¢/kWh, a 2027 Mercedes-Benz CLA350 4matic with EQ Tech (rated 29 kWh per 100 miles by the EPA) costs $4.48 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 72% cheaper per mile than gasoline in Arizona — charging at home costs a fraction of what gas would here.

What a year of driving costs

Arizona owners putting 15,000 annual miles on a 2027 Mercedes-Benz CLA350 4matic with EQ Tech spend about $672 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,731 saved annually, at this mileage.

What one full charge costs

At Arizona's rate, fully covering this 2027 Mercedes-Benz CLA350 4matic with EQ Tech's 312-mile EPA range costs about $13.98 (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 Arizona ranks 2,373 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 Arizona ranks 25 of 51 for cheapest residential electricity.

Before you install a home charger in Arizona

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 Arizona 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 CLA350 4matic with EQ Tech's cost in Arizona. Curious how Arizona's 15.45¢/kWh compares? The guide to charging cost by state ranks every state side by side.