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

A 2026 Mercedes-Benz EQS 450 4matic draws 37 kWh per 100 miles per the EPA; at Tennessee's 13.9¢/kWh residential rate that's $5.14 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 67.9% cheaper per mile than gasoline in Tennessee — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Tennessee owners putting 15,000 annual miles on a 2026 Mercedes-Benz EQS 450 4matic spend about $771 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,631 saved annually, at this mileage.

Filling up the 2026 Mercedes-Benz EQS 450 4matic, in dollars

At Tennessee's rate, fully covering this 2026 Mercedes-Benz EQS 450 4matic's 367-mile EPA range costs about $18.87 (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 Tennessee ranks 5,217 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 Tennessee ranks 13 of 51 for cheapest residential electricity.

Before you install a home charger in Tennessee

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 Tennessee 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 Tennessee. Tennessee's 13.9¢/kWh rate ranks 13 of 51 states; the state rate guide lays out the full spread.