Idaho home charging cost for the 2026 Mercedes-Benz EQS 450 Plus
In Idaho, home electricity runs 12.8¢/kWh — put a 2026 Mercedes-Benz EQS 450 Plus's EPA-rated 34 kWh/100mi against that and 100 miles costs $4.35, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 72.8% less than gas per mile, here specifically.
2026 Mercedes-Benz EQS 450 Plus: yearly cost in Idaho
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Mercedes-Benz EQS 450 Plus costs roughly $653 a year to charge at home in Idaho, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,750 a year.
Filling up the 2026 Mercedes-Benz EQS 450 Plus, in dollars
Covering the 2026 Mercedes-Benz EQS 450 Plus's EPA-rated 390-mile range takes about 132.6 kWh, which costs about $16.98 at Idaho's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
How this compares nationally
This combination ranks 1,919 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Mercedes-Benz EQS 450 Plus alone ranks 122 of 400 models for efficiency; Idaho alone ranks 3 of 51 states for electricity price.
Before you install a home charger in Idaho
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 Idaho electrician quotes for Level 2 install before you commit either way.
Where these figures come from
See the methodology guide for exactly which EIA and EPA figures feed 2026 Mercedes-Benz EQS 450 Plus's cost in Idaho. Idaho is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.