Charging a 2026 Mercedes-Benz EQS 450 4matic at home in Iowa

At Iowa's residential electricity rate of 13.77¢/kWh, a 2026 Mercedes-Benz EQS 450 4matic (rated 37 kWh per 100 miles by the EPA) costs $5.09 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 68.2% cheaper per mile than gasoline in Iowa — charging at home costs a fraction of what gas would here.

2026 Mercedes-Benz EQS 450 4matic: yearly cost in Iowa

Iowa owners putting 15,000 annual miles on a 2026 Mercedes-Benz EQS 450 4matic spend about $764 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,639 saved annually, at this mileage.

Cost of a full charge

At Iowa's rate, fully covering this 2026 Mercedes-Benz EQS 450 4matic's 367-mile EPA range costs about $18.7 (135.8 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Mercedes-Benz EQS 450 4matic in Iowa ranks 4,950 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 Iowa ranks 9 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Mercedes-Benz EQS 450 4matic at home

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 Iowa electrician to quote the install before this math becomes a real decision.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Iowa's 13.77¢/kWh compares? The guide to charging cost by state ranks every state side by side.