What it costs to charge a 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV) in Arizona

In Arizona, home electricity runs 15.45¢/kWh — put a 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV)'s EPA-rated 39.8 kWh/100mi against that and 100 miles costs $6.15, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 61.6% cheaper per mile than gasoline in Arizona — charging at home is much cheaper than gas here.

2026 Mercedes-Benz EQS 680 4matic Maybach (SUV): yearly cost in Arizona

Home charging this 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV) in Arizona runs about $923 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,480 saved annually, at this mileage.

What one full charge costs

$18.46 — that's what Arizona's 15.45¢/kWh rate puts on the 119.5 kWh a 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV) needs for its full 300-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV) in Arizona ranks 10,086 for cost savings versus gas — 1 being the best deal nationally. Separately, the Mercedes-Benz EQS 680 4matic Maybach (SUV) ranks 260 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.

Ask a licensed Arizona electrician to quote the install before this math becomes a real decision.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Arizona's 15.45¢/kWh rate ranks 25 of 51 states; the state rate guide lays out the full spread.