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

At South Dakota's residential electricity rate of 14.33¢/kWh, a 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV) (rated 39.8 kWh per 100 miles by the EPA) costs $5.71 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 64.4% cheaper per mile than gasoline in South Dakota — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV) in South Dakota runs about $856 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,547 saved annually, at this mileage.

Filling up the 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV), in dollars

$17.12 — that's what South Dakota's 14.33¢/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.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV) in South Dakota ranks 8,014 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 South Dakota ranks 14 of 51 for cheapest residential electricity.

Before you install a home charger in South Dakota

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 South Dakota before deciding.

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 South Dakota. South Dakota's 14.33¢/kWh rate ranks 14 of 51 states; the state rate guide lays out the full spread.