South Carolina home charging cost for the 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV)
At South Carolina's residential electricity rate of 16.04¢/kWh, a 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV) (rated 39.8 kWh per 100 miles by the EPA) costs $6.39 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. Charging at home is much cheaper than gas here: 60.1% 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 680 4matic Maybach (SUV) costs roughly $958 a year to charge at home in South Carolina, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,445 a year.
Cost of a full charge
Covering the 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV)'s EPA-rated 300-mile range takes about 119.5 kWh, which costs about $19.16 at South Carolina'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 11,083 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Mercedes-Benz EQS 680 4matic Maybach (SUV) alone ranks 260 of 400 models for efficiency; South Carolina alone ranks 27 of 51 states for electricity price.
Getting set up to charge a 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV) at home
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.
Get quotes from local electricians for Level 2 charger installation in South Carolina before deciding.
Where these figures come from
See the methodology guide for exactly which EIA and EPA figures feed 2026 Mercedes-Benz EQS 680 4matic Maybach (SUV)'s cost in South Carolina. South Carolina's 16.04¢/kWh rate ranks 27 of 51 states; the state rate guide lays out the full spread.