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

In Massachusetts, home electricity runs 30.06¢/kWh — put a 2026 Mercedes-Benz EQS 450 4matic's EPA-rated 37 kWh/100mi against that and 100 miles costs $11.12, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 30.6% cheaper per mile than gasoline in Massachusetts — charging at home is cheaper than gas here.

What a year of driving costs

Home charging this 2026 Mercedes-Benz EQS 450 4matic in Massachusetts runs about $1,668 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $735 saved annually, at this mileage.

What one full charge costs

$40.82 — that's what Massachusetts's 30.06¢/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 Massachusetts ranks 18,398 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 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.

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

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Mercedes-Benz EQS 450 4matic's cost in Massachusetts. 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.