Delaware home charging cost for the 2026 Mercedes-Benz EQS 450 4matic
In Delaware, home electricity runs 17.74¢/kWh — put a 2026 Mercedes-Benz EQS 450 4matic's EPA-rated 37 kWh/100mi against that and 100 miles costs $6.56, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 59% less than gas per mile, here specifically.
What a year of driving costs
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Mercedes-Benz EQS 450 4matic costs roughly $985 a year to charge at home in Delaware, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,418 a year.
Filling up the 2026 Mercedes-Benz EQS 450 4matic, in dollars
Covering the 2026 Mercedes-Benz EQS 450 4matic's EPA-rated 367-mile range takes about 135.8 kWh, which costs about $24.09 at Delaware's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
Where this ranks
This combination ranks 11,658 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Mercedes-Benz EQS 450 4matic alone ranks 196 of 400 models for efficiency; Delaware alone ranks 33 of 51 states for electricity price.
Before you install a home charger in Delaware
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 Delaware 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 4matic's cost in Delaware. Delaware's 17.74¢/kWh rate ranks 33 of 51 states; the state rate guide lays out the full spread.