What it costs to charge a 2026 Mercedes-Benz EQS 450 Plus in Tennessee
A 2026 Mercedes-Benz EQS 450 Plus draws 34 kWh per 100 miles per the EPA; at Tennessee's 13.9¢/kWh residential rate that's $4.73 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 70.5% 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
Home charging this 2026 Mercedes-Benz EQS 450 Plus in Tennessee runs about $709 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,694 saved annually, at this mileage.
Filling up the 2026 Mercedes-Benz EQS 450 Plus, in dollars
$18.44 — that's what Tennessee's 13.9¢/kWh rate puts on the 132.6 kWh a 2026 Mercedes-Benz EQS 450 Plus needs for its full 390-mile EPA range.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Mercedes-Benz EQS 450 Plus in Tennessee ranks 3,339 for cost savings versus gas — 1 being the best deal nationally. Separately, the Mercedes-Benz EQS 450 Plus ranks 122 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.
Get quotes from local electricians for Level 2 charger installation in Tennessee before deciding.
More on how this number was built
See the methodology guide for exactly which EIA and EPA figures feed 2026 Mercedes-Benz EQS 450 Plus's cost in Tennessee. Tennessee's 13.9¢/kWh rate ranks 13 of 51 states; the state rate guide lays out the full spread.