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

In Washington, home electricity runs 14.35¢/kWh — put a 2026 Mercedes-Benz EQS 450 4matic's EPA-rated 37 kWh/100mi against that and 100 miles costs $5.31, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 66.9% cheaper per mile than gasoline in Washington — charging at home costs a fraction of what gas would here.

2026 Mercedes-Benz EQS 450 4matic: yearly cost in Washington

Home charging this 2026 Mercedes-Benz EQS 450 4matic in Washington runs about $796 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,607 saved annually, at this mileage.

What one full charge costs

$19.49 — that's what Washington's 14.35¢/kWh rate puts on the 135.8 kWh a 2026 Mercedes-Benz EQS 450 4matic needs for its full 367-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Mercedes-Benz EQS 450 4matic in Washington ranks 6,012 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 Washington ranks 15 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.

Ask a licensed Washington 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. Washington's 14.35¢/kWh rate ranks 15 of 51 states; the state rate guide lays out the full spread.