What it costs to charge a 2026 Mercedes-Benz EQS 450 4matic in Arizona

In Arizona, home electricity runs 15.45¢/kWh — put a 2026 Mercedes-Benz EQS 450 4matic's EPA-rated 37 kWh/100mi against that and 100 miles costs $5.72, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 64.3% cheaper per mile than gasoline in Arizona — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 Mercedes-Benz EQS 450 4matic in Arizona runs about $857 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,545 saved annually, at this mileage.

Filling up the 2026 Mercedes-Benz EQS 450 4matic, in dollars

$20.98 — that's what Arizona's 15.45¢/kWh rate puts on the 135.8 kWh a 2026 Mercedes-Benz EQS 450 4matic needs for its full 367-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Mercedes-Benz EQS 450 4matic in Arizona ranks 8,044 for cost savings versus gas — 1 being the best deal nationally. Separately, the Mercedes-Benz EQS 450 4matic ranks 196 of 400 EV models for raw efficiency, and Arizona ranks 25 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Mercedes-Benz EQS 450 4matic 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.

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

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Arizona's 15.45¢/kWh compares? The guide to charging cost by state ranks every state side by side.