What it costs to charge a 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV) in Montana
A 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV) draws 39.8 kWh per 100 miles per the EPA; at Montana's 13.77¢/kWh residential rate that's $5.48 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 65.8% cheaper per mile than gasoline in Montana — charging at home costs a fraction of what gas would here.
Annual cost, at 15 thousands miles a year
Home charging this 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV) in Montana runs about $823 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,580 saved annually, at this mileage.
Filling up the 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV), in dollars
$16.45 — that's what Montana's 13.77¢/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.
2026 Mercedes-Benz EQS 680 4matic Maybach (SUV) in Montana, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV) in Montana ranks 6,848 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 Montana ranks 10 of 51 for cheapest residential electricity.
Before you install a home charger in Montana
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 Montana electrician to quote the install before this math becomes a real decision.
More on how this number was built
See the methodology guide for exactly which EIA and EPA figures feed 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV)'s cost in Montana. Curious how Montana's 13.77¢/kWh compares? The guide to charging cost by state ranks every state side by side.