EV Charging Speed Comparison

Mercedes CLA EV (2026 CLA 250+) vs Mercedes EQB 300/350

Comparing battery size, maximum AC/DC charging rates, range, and detailed charging durations for home wallboxes and public DC fast chargers.

Mercedes-Benz Mercedes CLA EV (2026 CLA 250+)
85 kWh
AC Charging 11 kW
DC Charging 250 kW
Est. Range 520 km
Mercedes-Benz Mercedes EQB 300/350
66.5 kWh
AC Charging 11 kW
DC Charging 150 kW
Est. Range 407 km
Technical Specs

Specification Comparison

Specification Mercedes CLA EV (2026 CLA 250+) Mercedes EQB 300/350
Brand Mercedes-Benz Mercedes-Benz
Battery Capacity 85 kWh (28% larger) 66.5 kWh
Max AC Charge Power 11 kW 11 kW
Max DC Charge Power 250 kW 150 kW
Range (WLTP) 520 km (more range) 407 km
Efficiency (WLTP) 3.8 mi/kWh 3.8 mi/kWh
Est. EPA Range 323 miles 253 miles
Detailed Charging Comparison

Charging Time Comparison

Select a charging scenario to see side-by-side charging speeds.

Charger Type Mercedes CLA EV (2026 CLA 250+) Mercedes EQB 300/350
🔌 Household Socket 2.3 kW • AC Level 1 28h 45m Capped at 2.3 kW 22h 29m Capped at 2.3 kW
🏠 Home Wallbox 7.4 kW • AC Level 2 8h 56m Capped at 7.4 kW 6h 59m Capped at 7.4 kW
⚡ 3-Phase Wallbox 11 kW • AC Level 2 6h 1m Capped at 11 kW 4h 42m Capped at 11 kW
🔋 Fast AC 22 kW • AC Level 2 6h 1m Capped at 11 kW 4h 42m Capped at 11 kW
⚡ DC Rapid 50 kW • DC Level 3 1h 19m Capped at 50 kW 1h 2m Capped at 50 kW
🚀 Ultra-Rapid DC 150 kW • DC Level 3 26 min Capped at 150 kW 21 min Capped at 150 kW

* Higher vehicle acceptance rates allow faster charging. Estimated times show limits based on onboard AC/DC caps.

Charging Insights

How their charging profiles differ

The Mercedes CLA EV (2026 CLA 250+) and Mercedes EQB 300/350 present different charging characteristics primarily driven by battery capacity and maximum charge limits.

Battery Capacity: The Mercedes CLA EV (2026 CLA 250+) features a 85 kWh battery, which is 28% larger than the Mercedes EQB 300/350's 66.5 kWh pack. A larger battery offers more driving range but takes proportionally longer to charge at standard charge rates.

At-Home Charging (AC): Both vehicles share the same maximum AC onboard charger rate of 11 kW. This means they will draw the same maximum power from home wallboxes.

On-The-Road DC Fast Charging: The Mercedes CLA EV (2026 CLA 250+) accepts up to 250 kW DC, while the Mercedes EQB 300/350 supports up to 150 kW DC. The Mercedes CLA EV (2026 CLA 250+) has a faster DC limit of 250 kW, allowing it to charge faster on ultra-rapid chargers, assuming the station can supply the max power.

Mercedes-Benz Recommendation

For the Mercedes CLA EV (2026 CLA 250+), a standard 7.4 kW home wallbox is ideal for overnight charging. If you travel long distances frequently, look for DC fast chargers capable of supplying at least 250 kW to minimize charging stops.

Mercedes-Benz Recommendation

For the Mercedes EQB 300/350, a 7.4 kW home charger is also the perfect fit. Since it supports up to 150 kW DC, you will achieve optimal highway charge times by planning stops at charging stations rated 150 kW or higher.

Interactive Tools

Go to Calculator

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Recommended Gear

EV Chargers for Mercedes-Benz & Mercedes-Benz

Compatible home wallboxes and accessories for charging these electric vehicles.

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Best Home Chargers for Mercedes CLA EV (2026 CLA 250+)

We analyzed charger speeds, compatibility, and durability to select the top home charging stations that match the specifications of the Mercedes CLA EV (2026 CLA 250+).

Optimal High-Power AC Charging

Your Mercedes CLA EV (2026 CLA 250+) supports high-speed AC charging up to 11 kW. To charge at maximum speed at home, we recommend a 48-amp charger (like the Tesla Universal or Emporia) hardwired to a 60-amp circuit. A standard 32-amp charger will still charge overnight but won’t take full advantage of your car’s faster onboard charger.

Editor’s Choice ~$580

Tesla Universal Wall Connector

The most versatile charger on the market. It natively charges both Tesla (NACS) and standard J1772 vehicles with an integrated, auto-switching adapter.

Charging for your EV:
Charge Rate: 11.0 kW (Capped)
10% to 80%: ~6h 1m
0% to 100%: ~8h 35m
Max Output: Up to 48A (adjustable)
Plug Type: Integrated NACS & J1772
Cable: 24 feet
Key Highlights:
  • Universal compatibility (Tesla & non-Tesla)
  • Sleek wall dock with auto-sensing latch
  • Tesla App integration (Wi-Fi smart features)
  • Power-sharing with up to 6 Wall Connectors
Best Value & Smart Tech ~$399

Emporia Smart EV Charger

An exceptionally smart charger offering class-leading energy monitoring. Perfect for homeowners looking to track costs or charge directly from solar panels.

Charging for your EV:
Charge Rate: 11.0 kW (Capped)
10% to 80%: ~6h 1m
0% to 100%: ~8h 35m
Max Output: Up to 48A (hardwired) / 40A (plug)
Plug Type: J1772 (NACS adapter required for Tesla)
Cable: 24 feet
Key Highlights:
  • Detailed real-time energy usage tracking
  • Solar-only charging mode (with Emporia Vue)
  • UL and Energy Star certified
  • NEMA 14-50 plug or hardwired option
Most Durable & Heavy Duty ~$349

Grizzl-E Classic Level 2

A rugged, bulletproof charger designed for the toughest environments. It features a heavy-duty metal casing and focuses on simple, reliable plug-and-play charging.

Charging for your EV:
Charge Rate: 10.0 kW
10% to 80%: ~6h 37m
0% to 100%: ~9h 27m
Max Output: Up to 40A (adjustable)
Plug Type: J1772 (NACS adapter required for Tesla)
Cable: 24 feet
Key Highlights:
  • Heavy-duty NEMA 4 aluminum enclosure
  • Built to withstand extreme cold and heat
  • Simple plug-and-charge (no Wi-Fi needed)
  • Internal physical switches to set amperage

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