2026 Mercedes-Benz EQE 320 Plus, OK Charging Cost

Charging a 2026 Mercedes-Benz EQE 320 Plus at home in Oklahoma

At Oklahoma's residential electricity rate of 13.37¢/kWh, a 2026 Mercedes-Benz EQE 320 Plus (rated 35.6 kWh per 100 miles by the EPA) costs $4.76 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 70.3% cheaper per mile than gasoline in Oklahoma, charging at home costs a fraction of what gas would here.

What a year of driving costs

Oklahoma owners putting 15,000 annual miles on a 2026 Mercedes-Benz EQE 320 Plus spend about $714 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,688 saved annually, at this mileage.

Cost of a full charge

At Oklahoma's rate, fully covering this 2026 Mercedes-Benz EQE 320 Plus's 308-mile EPA range costs about $14.67 (109.7 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 EQE 320 Plus in Oklahoma ranks 3,457 for cost savings versus gas, 1 being the best deal nationally. Separately, the Mercedes-Benz EQE 320 Plus ranks 161 of 400 EV models for raw efficiency, and Oklahoma ranks 5 of 51 for cheapest residential electricity.

Before you install a home charger in Oklahoma

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 Oklahoma 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. Oklahoma is one of the cheapest states for home electricity, the guide to why the cost varies so much by state covers what drives that.