2027 Mercedes-Benz EQS 550 4matic (SUV): home charging cost in Illinois

At Illinois's residential electricity rate of 19.22¢/kWh, a 2027 Mercedes-Benz EQS 550 4matic (SUV) (rated 42 kWh per 100 miles by the EPA) costs $8.07 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. Charging at home is much cheaper than gas here: 49.6% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Mercedes-Benz EQS 550 4matic (SUV) charged at home in Illinois costs about $1,211/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,192 a year.

Filling up the 2027 Mercedes-Benz EQS 550 4matic (SUV), in dollars

A 2027 Mercedes-Benz EQS 550 4matic (SUV) needs roughly 133.1 kWh to reach its EPA-rated 317-mile range, which runs about $25.59 at 19.22¢/kWh in Illinois.

Where this ranks

This combination ranks 15,179 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Mercedes-Benz EQS 550 4matic (SUV) alone ranks 303 of 400 models for efficiency; Illinois alone ranks 36 of 51 states for electricity price.

Next step: home charger installation

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

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

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Illinois's 19.22¢/kWh compares? The guide to charging cost by state ranks every state side by side.