Data shown is approximate and based on publicly available specifications and real-world estimates. Actual performance varies with driving conditions, temperature, state of charge, and charger hardware. Always check your vehicle's manual for official specifications. EVcourse is not affiliated with any vehicle manufacturer.
Quick verdict
The Mercedes-Benz EQS charges faster with a peak of 200 kW DC, while the Tesla Model 3 is more efficient at 147 Wh/km. The Mercedes-Benz EQS offers more range at 685 km in real-world driving.
Side-by-Side Specs
| Spec | Mercedes-Benz EQS | Tesla Model 3 |
|---|---|---|
| Battery | 118 kWh | 57.5 kWh |
| Real-world range | 685 km | 390 km |
| Efficiency | 172 Wh/km | 147 Wh/km |
| Max DC charging | 200 kW | 175 kW |
| 10-80% charge time | 33 min | 24 min |
| Max AC charging | 11 kW | 11 kW |
| AC phase | 3-phase | 3-phase |
| Voltage architecture | 400V | 400V |
| Battery chemistry | NMC | LFP |
| Heat pump | Standard | Standard |
| Preconditioning | Yes | Yes |
| Plug & Charge | Yes | Yes |
| Drivetrain | RWD | RWD |
| DC connector | CCS2 | CCS2 |
Charging Speed
The Mercedes-Benz EQS has a peak DC charging speed of 200 kW, which is roughly 14% faster than the Tesla Model 3 at 175 kW. In practice, peak speed only tells part of the story. The charging curve, battery temperature, and state of charge all affect how quickly your car actually charges.
Both cars use 400V architecture, so their charging curves should follow similar patterns. The difference in peak speed comes down to battery chemistry, thermal management, and the onboard charger design.
For the 10-80% charge (the most common DC fast charging scenario), the Tesla Model 3 finishes in about 24 minutes, which is 9 minutes quicker than the Mercedes-Benz EQS at 33 minutes. On a road trip, that difference adds up over multiple stops.
Range and Efficiency
The Mercedes-Benz EQS offers 685 km of real-world range, which is 295 km more than the Tesla Model 3 at 390 km. These are real-world estimates, not WLTP numbers. Expect your actual range to vary with speed, weather, terrain, and driving style.
Efficiency matters more than battery size for daily driving costs. The Tesla Model 3 consumes 147 Wh/km, compared to 172 Wh/km for the Mercedes-Benz EQS. That means the Tesla Model 3 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 Mercedes-Benz EQS has a 118 kWh useable battery , while the Tesla Model 3 has 57.5 kWh.
Cold Weather Charging
Both the Mercedes-Benz EQS and Tesla Model 3 come with a heat pump as standard, which helps preserve range in cold weather by heating the cabin more efficiently.
Battery preconditioning is equally important for winter DC fast charging. When the battery is cold, charging speeds drop significantly. Both cars support preconditioning, which warms the battery before you arrive at a fast charger so you get closer to peak charging speed.
In cold conditions, expect 20-35% range loss compared to ideal weather. Cars with both a heat pump and preconditioning typically handle winter better overall.
Which One Should You Choose?
If fast charging speed is your priority, the Mercedes-Benz EQS has the edge with 200 kW peak DC and a 24-minute 10-80% time. For long road trips with multiple charging stops, that faster turnaround makes a real difference.
If you mostly charge at home or at work and care more about daily driving costs, the Tesla Model 3 is the more efficient choice at 147 Wh/km. Lower consumption means lower electricity bills over time.
For maximum range between charges, the Mercedes-Benz EQS gives you 685 km of real-world range, which is 295 km more. Both are capable EVs. The best choice depends on how you charge and how far you drive.
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