Charging a 2026 Mercedes-Benz EQE 320 Plus at home in Arizona

A 2026 Mercedes-Benz EQE 320 Plus draws 35.6 kWh per 100 miles per the EPA; at Arizona's 15.45¢/kWh residential rate that's $5.5 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 65.6% 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 2026 Mercedes-Benz EQE 320 Plus spend about $826 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,577 saved annually, at this mileage.

What one full charge costs

At Arizona's rate, fully covering this 2026 Mercedes-Benz EQE 320 Plus's 308-mile EPA range costs about $16.95 (109.7 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 2026 Mercedes-Benz EQE 320 Plus in Arizona ranks 7,008 for cost savings versus gas — 1 being the best deal nationally. Separately, the Mercedes-Benz EQE 320 Plus ranks 161 of 400 EV models for raw efficiency, and Arizona ranks 25 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.

Get quotes from local electricians for Level 2 charger installation in Arizona before deciding.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Mercedes-Benz EQE 320 Plus's cost in Arizona. At 15.45¢/kWh, Arizona sits in the middle of the national range — the guide to why charging cost varies by state shows where.