What it costs to charge a 2026 Mercedes-Benz EQE 320 4matic in Massachusetts
At Massachusetts's residential electricity rate of 30.06¢/kWh, a 2026 Mercedes-Benz EQE 320 4matic (rated 39 kWh per 100 miles by the EPA) costs $11.72 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 26.8% cheaper per mile than gasoline in Massachusetts — charging at home is cheaper than gas here.
Annual cost, at 15 thousands miles a year
Home charging this 2026 Mercedes-Benz EQE 320 4matic in Massachusetts runs about $1,759 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $644 saved annually, at this mileage.
What one full charge costs
$31.3 — that's what Massachusetts's 30.06¢/kWh rate puts on the 104.1 kWh a 2026 Mercedes-Benz EQE 320 4matic needs for its full 267-mile EPA range.
2026 Mercedes-Benz EQE 320 4matic in Massachusetts, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Mercedes-Benz EQE 320 4matic in Massachusetts ranks 18,854 for cost savings versus gas — 1 being the best deal nationally. Separately, the Mercedes-Benz EQE 320 4matic ranks 240 of 400 EV models for raw efficiency, and Massachusetts ranks 49 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 Massachusetts 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. Massachusetts has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.