Charging a 2026 Mercedes-Benz EQS 580 4matic at home in California

In California, home electricity runs 33.17¢/kWh — put a 2026 Mercedes-Benz EQS 580 4matic's EPA-rated 35.6 kWh/100mi against that and 100 miles costs $11.82, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 26.2% cheaper per mile than gasoline in California — charging at home is cheaper than gas here.

Annual cost, at 15 thousands miles a year

California owners putting 15,000 annual miles on a 2026 Mercedes-Benz EQS 580 4matic spend about $1,772 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $631 saved annually, at this mileage.

Cost of a full charge

At California's rate, fully covering this 2026 Mercedes-Benz EQS 580 4matic's 371-mile EPA range costs about $43.84 (132.2 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Mercedes-Benz EQS 580 4matic in California ranks 18,907 for cost savings versus gas — 1 being the best deal nationally. Separately, the Mercedes-Benz EQS 580 4matic ranks 160 of 400 EV models for raw efficiency, and California ranks 50 of 51 for cheapest residential electricity.

Next step: home charger installation

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 California electrician quotes for Level 2 install before you commit either way.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. California has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.