Compare the2026 Kia Niro EVVS 2025 Mercedes EQB

The Niro EV’s standard lane departure warning system alerts a temporarily inattentive driver when the vehicle begins to leave its lane and gently nudges the vehicle back towards its lane. A lane departure warning system costs extra on the EQB.

Both the Niro EV and the EQB have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front and rear seatbelt pretensioners, front wheel drive, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, blind spot warning systems, rearview cameras, rear cross-path warning, driver alert monitors and available front parking sensors.

The Niro EV comes with a full 5-year/60,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The EQB’s 4-year/50,000-mile basic warranty expires 1 year or 10,000 miles sooner.

Kia’s powertrain warranty covers the Niro EV 6 years and 50,000 miles longer than Mercedes covers the EQB. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 10 years or 100,000 miles. Coverage on the EQB ends after only 4 years or 50,000 miles.

There are over 2 times as many Kia dealers as there are Mercedes dealers, which makes it much easier should you ever need service under the Niro EV’s warranty.

J.D. Power and Associates’ 2025 Initial Quality Study of new car owners surveyed provide the statistics that show that Kia vehicles are better in initial quality than Mercedes vehicles. J.D. Power ranks Kia above average in initial quality. With 29 more problems per 100 vehicles, Mercedes is rated below average.

J.D. Power and Associates’ 2025 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Kia vehicles are more reliable than Mercedes vehicles. J.D. Power ranks Kia above average in long-term dependability. With 6 more problems per 100 vehicles in the first three years of ownership, Mercedes is rated below average.

The Niro EV’s electric motor produces 13 more horsepower (201 vs. 188) than the EQB 250+’s standard electric motor.

On the EPA test cycle the Niro EV gets better mileage than the EQB:

The Niro EV can travel longer on a full charge than the EQB on a full charge:

The Niro EV stops shorter than the EQB:

The Niro EV has standard front and rear gas-charged shocks for better control over choppy roads. The EQB’s suspension doesn’t offer gas-charged shocks.

The Niro EV Wave handles at .87 G’s, while the EQB 350 4MATIC pulls only .85 G’s of cornering force in a Car and Driver skidpad test.

For better maneuverability, the Niro EV’s turning circle is 3.6 feet tighter than the EQB’s (34.8 feet vs. 38.4 feet).

The Kia Niro EV may be more efficient, handle and accelerate better because it weighs about 950 to 1050 pounds less than the Mercedes EQB.

The Niro EV is 10.4 inches shorter than the EQB, making the Niro EV easier to handle, maneuver and park in tight spaces.

The Niro EV has .4 inches more front legroom, .4 inches more front shoulder room and .5 inches more rear shoulder room than the EQB.

The Niro EV has a much larger cargo volume with its rear seat up than the EQB with its rear seat up (22.8 vs. 10.7 cubic feet). The Niro EV has a much larger cargo volume with its rear seat folded than the EQB with its rear seat folded (63.7 vs. 61.8 cubic feet).

To improve rear visibility by keeping the rear window clear, the Niro EV has a standard rear fixed intermittent wiper with a full on position. The rear wiper standard on the EQB only has an intermittent setting, so in a hard rain visibility isn’t as good.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the Niro EV has standard extendable sun visors. The EQB doesn’t offer extendable visors.

The Niro EV has standard heated front seats. Heated front seats cost extra on the EQB. The Niro EV also offers optional heated rear seats to keep those passengers extremely comfortable in the winter. Heated second row seats aren’t available in the EQB.

The Niro EV Wave’s Smart Park Assist can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. Remote Smart Park Assist will park and retrieve your car remotely: press a button and watch it park itself. This is ideal for tight locations. The EQB’s automatic parking system does not offer parking by remote control.

Consumer Reports® recommends the Kia Niro EV, based on reliability, safety and performance.

The Kia Niro outsold the Mercedes EQB by almost four to one during 2025.