What EV Charger Do You Need for a 2027 Mercedes-Benz EQE 320?
A dead battery takes 11.3 hours to reach 108.9 kWh on Level 2 equipment. Plug in after dinner and you wake up full. Level 1 crawling takes 76 hours, which is useless for daily driving. You need a dedicated 40 amp setup.
The numbers
| Maximum AC charging rate | 9.6 kW (40 A) |
|---|---|
| Charger size to buy | 40 A |
| Circuit breaker required | 50 A |
| Outlet / connection | NEMA 14-50 outlet |
| Charge port | J1772 |
| Full charge on Level 2 | about 11.3 hours |
| Range added per hour (Level 2) | about 27 miles |
| Full charge on a 120 V outlet | about 76 hours |
| Range added per hour (120 V) | about 4.0 miles |
| EPA rated range | 302 miles |
| Energy for a full charge | about 108.9 kWh at the wall |
Why 40 amps and not more
Your car tops out at 40 amps of AC power. Buying a larger 48 amp or 80 amp charger changes nothing for speed. The vehicle onboard charger limits intake to 9.6 kW. Extra capacity at the wall sits idle. Stick to the 40 amp rating.
What the install involves
Wiring requires a 50 amp breaker and a NEMA 14-50 outlet. Hire an electrician to run heavy gauge wire from your panel. Do not attempt this yourself if you lack experience with high voltage circuits. Hardwiring is also an option, but a plug-in unit lets you take the hardware with you if you move.
Chargers that match this car
Rugged metal enclosure, built for outdoor use.
Portable cordset. Works on 120 V or a 240 V outlet.
Plugs into an existing 14-50 outlet, no hardwiring.
Worth having as well
Common questions
- What plug does the car require?
- You need a NEMA 14-50 outlet paired with a 50 amp breaker. This setup supplies the correct current without overloading the wire.
- Can I use a standard wall outlet?
- Level 1 charging on a standard household plug takes 76 hours for a full tank. It adds only 4.0 miles per hour and fails to keep up with regular commutes.
- Does a bigger charger make it go faster?
- No. The car limits AC charging to 40 amps. A larger charger will not charge the battery any faster.
- What connector type is on the cord?
- The vehicle uses a J1772 connector. Many 2025+ vehicles ship with a NACS port but include a J1772 adapter, so a J1772 home charger still works.
Other vehicles
Charging times derived from EPA data for the 2027 Mercedes-Benz EQE 320. Electrical requirements follow NEC 625.41, which sizes a circuit at 125% of a continuous load. Always have a licensed electrician verify your panel.