Charging a 2026 Mercedes-Benz EQS 580 4matic at home in Massachusetts
In Massachusetts, home electricity runs 30.06¢/kWh — put a 2026 Mercedes-Benz EQS 580 4matic's EPA-rated 35.6 kWh/100mi against that and 100 miles costs $10.71, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 33.2% cheaper per mile than gasoline in Massachusetts — charging at home is cheaper than gas here.
What a year of driving costs
Massachusetts owners putting 15,000 annual miles on a 2026 Mercedes-Benz EQS 580 4matic spend about $1,606 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $797 saved annually, at this mileage.
Cost of a full charge
At Massachusetts's rate, fully covering this 2026 Mercedes-Benz EQS 580 4matic's 371-mile EPA range costs about $39.73 (132.2 kWh) — the energy the EPA test actually used, not the battery's rated size.
2026 Mercedes-Benz EQS 580 4matic in Massachusetts, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Mercedes-Benz EQS 580 4matic in Massachusetts ranks 18,102 for cost savings versus gas — 1 being the best deal nationally. Separately, the Mercedes-Benz EQS 580 4matic ranks 160 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.