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

At Maryland's residential electricity rate of 21.27¢/kWh, a 2026 Mercedes-Benz EQS 450 4matic (rated 37 kWh per 100 miles by the EPA) costs $7.87 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 50.9% cheaper per mile than gasoline in Maryland — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2026 Mercedes-Benz EQS 450 4matic in Maryland runs about $1,180 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,222 saved annually, at this mileage.

Cost of a full charge

$28.88 — that's what Maryland's 21.27¢/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 Maryland ranks 14,856 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 Maryland ranks 39 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 Maryland electrician quotes for Level 2 install before you commit either way.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Maryland's 21.27¢/kWh compares? The guide to charging cost by state ranks every state side by side.