Kia EV9 vs Mercedes-Benz EQB

Side-by-Side Specs

Charging Speed

The Kia EV9 has the higher published DC charging figure at 209 kW, which is roughly 105% higher than the Mercedes-Benz EQB at 102 kW. In practice, that figure only tells part of the story. The charging curve, battery temperature, and state of charge all affect how quickly your car actually charges.

For the published fast-charge window, the Kia EV9 is listed at about 22 minutes, which is 13 minutes quicker than the Mercedes-Benz EQB at 35 minutes. On a road trip, that difference adds up over multiple stops.

Range and Efficiency

The Kia EV9 has a WLTP rated range of approximately 579 km, which is roughly 43 km more than the Mercedes-Benz EQB at approximately 536 km. WLTP is a standardized lab test. Expect your actual range to be lower, varying with speed, weather, terrain, and driving style.

Efficiency matters more than battery size for daily driving costs. The Mercedes-Benz EQB consumes 170 Wh/km, compared to 213 Wh/km for the Kia EV9. That means the Mercedes-Benz EQB uses less energy per kilometer, which translates to lower charging costs and fewer charging stops on longer drives.

A more efficient car does not always mean more range. Battery size plays a role too. The Kia EV9 has approximately 96 kWh of useable battery , while the Mercedes-Benz EQB has approximately 70.5 kWh.

Which One Should You Choose?

If fast charging is your priority, the Kia EV9 has the higher published DC figure (up to 209 kW) and the shorter published charge time at approximately 22 minutes. For long road trips, published stop time matters more than the headline kW number alone.

For AC charging (home wallboxes, workplace chargers, and public street chargers), the Mercedes-Benz EQB supports up to 11 kW (22 kW optional), compared to up to 11 kW for the Kia EV9. In Europe, many public chargers are 22 kW AC, so this difference can matter at those locations if the higher AC figure is fitted on the car you buy.

If you mostly charge at home or at work and care more about daily driving costs, the Mercedes-Benz EQB is the more efficient choice at 170 Wh/km. Lower consumption means lower electricity bills over time.

For maximum range between charges, the Kia EV9 has a WLTP rated range of approximately 579 km, which is roughly 43 km more. Both are capable EVs. The best choice depends on how you charge and how far you drive.