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

A 2026 Mercedes-Benz EQS 450 4matic draws 37 kWh per 100 miles per the EPA; at Montana's 13.77¢/kWh residential rate that's $5.09 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 68.2% cheaper per mile than gasoline in Montana — charging at home costs a fraction of what gas would here.

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

Home charging this 2026 Mercedes-Benz EQS 450 4matic in Montana runs about $764 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,639 saved annually, at this mileage.

What one full charge costs

$18.7 — that's what Montana's 13.77¢/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 Montana ranks 4,965 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 Montana ranks 10 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.

Line up a few Montana electrician quotes for Level 2 install before you commit either way.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Montana's 13.77¢/kWh rate ranks 10 of 51 states; the state rate guide lays out the full spread.