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1Scan for outdated or missing drivers - takes under a minute2Repair Windows errors before they cause bigger problems3Fix the driver behind crashes, sound loss and screen glitchesShort answer: Choose the BMW i4 if you need an electric sedan you can shop in the United States now and want a published, preliminary EPA-procedure range estimate. Wait for the Mercedes-Benz C 400 4MATIC Electric if rapid DC charging, a larger advertised battery, and the possibility of exceptional long-distance range matter more than immediate availability. The Mercedes is scheduled for U.S. dealerships in the first half of 2027, but its U.S. EPA range and price have not yet been published.
Those differences make this an evidence-and-timing decision rather than a simple winner. Mercedes quotes European WLTP figures, while BMW quotes preliminary U.S. EPA-procedure estimates; the test cycles are not interchangeable. The Mercedes charging specifications look stronger on paper, but a final U.S. price, certified range, local inventory, and a same-day road comparison still need to be confirmed before you sign an order.
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What is being compared
The Mercedes-Benz is the newly announced electric C-Class sedan, identified for the United States as the 2027 C 400 4MATIC Electric. Mercedes-Benz USA published its technical data on April 20, 2026, and says deliveries to U.S. dealerships are expected in the first half of 2027. European buyers have a more developed lineup: Mercedes-Benz Media announced the C 300 4MATIC electric and C 400 4MATIC electric for Germany on September 16, 2026, with rear-wheel-drive versions planned to follow.
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A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11The BMW rival is the i4 Gran Coupe. BMW USA’s model information identifies 2026 eDrive40 and xDrive40 versions, while BMW’s current range FAQ supplies preliminary U.S. EPA-procedure estimates and a charging claim tied specifically to the 2025 model year. Because the Mercedes and BMW information comes from different markets, model years, and certification stages, the figures below are a buying guide—not a controlled head-to-head test.
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Key specifications at a glance
| Specification | Mercedes-Benz C 400 4MATIC Electric (U.S.) | Mercedes-Benz C 300/C 400 (Germany) | BMW i4 eDrive40/xDrive40 (U.S.) |
|---|---|---|---|
| Availability | Expected at U.S. dealers, first half of 2027 | C 300 and C 400 available to order in Germany in September 2026 | 2026 models identified by BMW USA; confirm local inventory and ordering status |
| Drive system | All-wheel drive | Both listed as all-wheel drive; rear-wheel-drive versions are planned | eDrive40 and xDrive40 versions; the reviewed material does not provide a full drivetrain specification table |
| Usable battery | 94 kWh | 85 kWh (C 300) or 94 kWh (C 400) | Not stated in the reviewed BMW material |
| Range | U.S. EPA range: TBA | C 300: 549–690 km WLTP; C 400: 594–762 km WLTP | eDrive40: 283–301 miles preliminary EPA-procedure estimate; xDrive40: 279–307 miles preliminary EPA-procedure estimate |
| Maximum DC charging | Up to 330 kW | 22 minutes from 10–80% for both versions | Up to 200 kW in BMW’s FAQ for the 2025 i4 |
| Published 10–80% DC time | 22 minutes | 22 minutes | Around 30 minutes for the 2025 i4 |
| AC charging | 11.5 kW | Not stated for the European versions in the cited table | BMW says its Wallbox supports Level 2 charging up to 9.6 kW |
| Power and acceleration | 483 hp; 590 lb-ft; estimated 0–60 mph in 3.9 seconds | Not stated in the cited European announcement | Comparable horsepower and acceleration figures were not established in the reviewed sources |
| Cargo | 16.6 cu. ft. U.S. trunk volume | 470-litre boot and 101-litre frunk | No comparable i4 cargo measurement was established in the reviewed sources |
| German starting price including VAT | U.S. price not published | €62,951 for C 300; €67,711 for C 400 | Not stated in the reviewed material |
Every figure in this table is a manufacturer specification or estimate. The European prices and WLTP ranges describe Germany and cannot be used as a U.S. Mercedes price or EPA rating.
Range: do not treat WLTP and EPA as the same number
Mercedes’ European figures
Mercedes-Benz Media lists a WLTP range of 549–690 kilometers for the European C 300 4MATIC electric and 594–762 kilometers for the C 400. Those are test-cycle results for European vehicles and configurations. The headline 762-kilometer maximum is therefore useful for understanding the model’s intended efficiency and battery strategy, but it is not a promise of 762 kilometers in American driving and it is not an EPA rating.
Mercedes’ U.S. rating is still pending
The U.S. technical table for the 2027 C 400 marks EPA range as TBA. Until the Environmental Protection Agency certification and the final U.S. configuration are published, there is no defensible U.S. range number to substitute. Do not convert the European WLTP maximum into miles and present it as an American rating.
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BMW’s preliminary U.S. estimates
BMW’s range FAQ gives the i4 eDrive40 a preliminary EPA-procedure estimate of 283–301 miles and the xDrive40 279–307 miles. BMW says recently released model years may not yet be fully EPA-certified and that its estimates use preliminary tests following EPA procedure. Wheels, tires, temperature, weather, driving style, traffic, accessories, and other conditions can move actual results outside the estimate.
Rank #2
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- PLUG IN, NO HARDWIRING: Level 2 charger delivers up to 40A to fully charge most EVs overnight. Plugs into a 240V, 4-prong NEMA 14-50 outlet (the RV/range type - NOT a dryer outlet) on a dedicated 50A circuit. The extra-long 25 ft cable easily reaches across a garage or driveway. Before ordering, check your car's port type and that you have the right outlet.
- CONTROL & SAVE FROM YOUR PHONE: A stronger built-in antenna keeps the charger online even in a garage or basement. Use the free app to start/stop charging, set speed (6-40A), get reminders, and track energy use and cost. Schedule off-peak overnight charging to cut your electric bill. Requires 2.4 GHz WiFi.
- SAFETY-CERTIFIED & WEATHERPROOF: Independently tested and certified (UL, ETL, FCC, Energy Star). A fully sealed IP66 / NEMA 4 housing stands up to rain, snow, heat and dust indoors or out, and internal steel shielding protects the electronics for years of reliable use.
- GLOW-IN-THE-DARK HOLSTER: The included high-visibility holster glows in the dark so you can find and dock the plug easily at night. Holds the connector securely when not in use.
The ranges are expressed as bands because configuration affects the result. A buyer comparing an i4 with a future C 400 should wait for the Mercedes EPA figure and then compare equivalent wheel, tire, and drivetrain configurations. Until then, the BMW has the more actionable U.S. range information, while the Mercedes has the more ambitious published European maximum.
Charging and road-trip stops
Mercedes’ published charging hardware
The U.S. C 400 specification lists a 94-kWh usable battery, up to 330 kW of DC charging, and 22 minutes for a 10–80% session. Mercedes also lists 11.5 kW AC charging. A 330-kW peak can shorten a compatible stop, but it is not the time by itself: the vehicle’s charging curve, battery temperature, starting state of charge, station output, and whether another vehicle is sharing the equipment all matter.
BMW’s stated i4 session
BMW’s charging FAQ says a 2025 i4 can go from 10% to 80% in around 30 minutes at a DC station with maximum charging power up to 200 kW. Keep the 2025 model-year label attached to that statement; the reviewed source does not establish an independently confirmed 2026 i4 charging time. It is still a useful planning reference, not a guarantee for every 2026 configuration or every station.
What the numbers mean on a trip
A five- or eight-minute difference in a published 10–80% interval does not automatically translate into that difference at every stop. A cold battery, a charger that cannot deliver the vehicle’s maximum, or arriving with a higher state of charge can reduce the benefit of peak power. For a real itinerary, check the charging network on your route, identify stations that can supply the vehicle’s maximum where practical, and allow time for conditions rather than planning to the exact advertised minute.
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Performance and traction
Mercedes gives the U.S. C 400 4MATIC Electric 483 horsepower and 590 lb-ft of torque, with an estimated 0–60-mph time of 3.9 seconds. “Estimated” matters: that acceleration figure is a manufacturer estimate, not an independent test result. The vehicle is announced as all-wheel drive, which may appeal to drivers who regularly face wet, snowy, or low-grip roads.
BMW’s reviewed range and charging material distinguishes the rear-drive eDrive40 from the all-wheel-drive xDrive40, but it does not provide matching horsepower and acceleration data for those trims. A fair performance verdict therefore requires same-year, same-market BMW specifications or an independent comparison. The available evidence supports describing the Mercedes as quick on paper, not declaring it faster in real driving.
Cabin technology, comfort, and usable space
Mercedes equipment claims
Mercedes highlights an optional 39.1-inch MBUX Hyperscreen, a heat pump, optional AIRMATIC air suspension, and rear-axle steering. The C-Class electric also has a 116.6-inch wheelbase. These are equipment and packaging facts; they do not prove that the car rides better, turns more tightly, or has a more intuitive interface than the i4. Those judgments need an in-person drive and a direct cabin comparison.
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Cargo information
For the U.S. C 400, Mercedes lists 16.6 cubic feet of trunk volume. The European specification gives the C 300 and C 400 a 470-litre boot and a 101-litre frunk. Keep the market distinction in mind when comparing brochures, because equipment and measurement conventions can differ.
Rank #4
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- HARDWIRED - PROFESSIONAL INSTALL: This Level 2 charger is hardwired (not plug-in), so a licensed electrician installs it per National Electrical Code. It delivers up to 48A on a dedicated 60A, 240V circuit - enough to charge most EVs fully overnight. Want more speed? You can set DIP switches 4 and 5 to unlock 50A on a dedicated 70A circuit. Before ordering, check your car's port type and that your electrical panel can support the circuit.
- CONTROL FROM YOUR PHONE: A stronger built-in antenna keeps the charger online even in a garage or basement. Use the free app to start and stop charging, set the charging speed (6-48A), get reminders, and track how much energy and money each charge uses. Requires a 2.4 GHz home WiFi network.
- SAFETY-CERTIFIED & WEATHERPROOF: Independently tested and certified (UL, ETL, FCC, Energy Star). A fully sealed IP66 / NEMA 4 housing stands up to rain, snow, heat and dust indoors or out, and internal steel shielding protects the electronics for years of reliable use.
- GLOW-IN-THE-DARK HOLSTER: The included high-visibility holster glows in the dark so you can find and dock the plug easily at night. Holds the connector securely when not in use.
No comparable BMW i4 cargo measurement was established in the reviewed sources. If luggage capacity is decisive, take the items you actually carry—strollers, instrument cases, camera bags, or work equipment—to both vehicles. Measure the opening as well as the quoted volume: a deep trunk can still be inconvenient if the aperture is narrow or the rear seat does not fold in the way you need.
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What BMW includes
BMW says the i4 includes a Flexible Fast Charger and a NEMA 14-50 adapter. BMW also describes a Wallbox capable of Level 2 charging up to 9.6 kW. Fixed home charging equipment requires installation by a certified electrician; BMW identifies Qmerit as an optional premium installation service. The inclusion of portable equipment can reduce the number of items a new owner must source immediately, but it does not eliminate the need to check your electrical system.
What is established for the Mercedes
The Mercedes U.S. material establishes 11.5-kW AC charging for the C 400. It does not establish that a home charger is included in the vehicle purchase. Ask the dealer for the exact cable and adapter list for your market and trim rather than assuming the European or BMW equipment package applies.
Before buying a Level 2 EV charger
If you are shopping for a Level 2 EV charger, verify the connector, amperage, electrical-service capacity, circuit length, indoor or outdoor rating, installation requirements, and vehicle compatibility. Have an electrician inspect the panel before you budget for equipment. Your utility’s time-of-use tariff, local permit rules, and any incentive can change the cost of home charging more than a small difference in the vehicle’s onboard AC rate.
Best Value
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- ✅ 【Smart Charging for Long-Term EV Care】: EVDANCE Level 2 EV charger offers flexible amperage settings ranging from 10A to 32A (10A/16A/20A/24A/32A). With a simple touch of the "A" button, you can easily select the appropriate charging speed to suit your specific needs. Lower amperage charging can reduce heat and extend battery health over time. Choose the current that suits your car and charging scenario — fast when you need it, gentle when you don’t.
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Price, timing, and total purchase risk
Mercedes’ September 2026 German release lists VAT-inclusive private-customer starting prices of €62,951 for the C 300 and €67,711 for the C 400. Those are Germany prices, not U.S. MSRP, and they do not predict destination charges, options, taxes, incentives, or dealer pricing in America. Mercedes’ U.S. release does not list a price for the 2027 C 400.
That missing U.S. price is more important than a simple spreadsheet gap. It affects whether the Mercedes qualifies for a buyer’s budget, how it compares with an i4 lease or finance offer, and whether an option such as the Hyperscreen or AIRMATIC changes the value equation. Obtain a written, trim-specific quote when U.S. ordering opens.
Timing is equally concrete. If you need a car this year, the future C-Class cannot meet that requirement, regardless of its charging specifications. If you can wait until the first half of 2027, ask a Mercedes dealer when reservations, configuration, test drives, and final EPA data will be available. For the i4, confirm current inventory and the exact model year; the BMW FAQ’s charging statement is for 2025, while the model overview identifies 2026 cars.
Which one fits your situation?
Choose the BMW i4 when immediate availability matters
- You need to purchase or lease in the United States before the Mercedes launch window.
- You want a preliminary U.S. EPA-procedure range estimate to use in route and ownership planning now.
- You value the included Flexible Fast Charger and NEMA 14-50 adapter as part of the initial ownership package.
- You can accept that the reviewed material does not establish a final, directly comparable 2026 charging result or cargo measurement.
Wait for the Mercedes when charging and potential range lead
- You can wait for expected U.S. deliveries in the first half of 2027.
- A 94-kWh usable battery, up to 330-kW DC input, and a published 22-minute 10–80% target are central to your road-trip priorities.
- You want the announced C 400’s 483 hp, 590 lb-ft, standard all-wheel drive, and Mercedes comfort options.
- You are prepared to wait for the U.S. EPA range, price, final equipment, and real dealer availability before making a financial commitment.
Do not decide from the range headline alone
- Compare EPA with EPA and WLTP with WLTP; do not place the 762-kilometer WLTP figure beside BMW’s U.S. miles estimate as though they were one test.
- Compare the same drivetrain, wheel, and tire configuration.
- Use the charging curve and a realistic route, not only the maximum-kilowatt figure.
- Check rear-seat fit, visibility, controls, trunk opening, and your own charging location in person.
A practical comparison checklist
- Set your deadline. Write down when you must have the car. A deadline before the Mercedes’ stated U.S. launch window makes the i4 the practical vehicle to investigate first.
- Specify the exact trims. Record i4 eDrive40 or xDrive40, model year, wheel and tire package, and every Mercedes option you would actually order.
- Request official numbers. Ask for the Mercedes EPA range and U.S. MSRP when released, and ask the BMW retailer which range estimate and charging specification apply to the vehicle in stock.
- Audit home power. Confirm panel capacity, outlet location, cable reach, permits, installation labor, utility rates, and whether a portable charger or wallbox is included.
- Plan your longest regular trip. Estimate highway distance, winter conditions, passenger load, luggage, and charging stops. Leave a buffer instead of treating the advertised maximum range as a trip minimum.
- Inspect the cars together. Sit in every seat, test the controls, load your normal cargo, examine the trunk opening, and drive the same route if both are available.
- Compare the complete transaction. Include destination charges, options, taxes, financing or lease terms, insurance, home-charging work, incentives, and expected delivery date.
- Keep the paperwork aligned. Make sure the quote, window sticker, charging equipment list, and promised delivery configuration all identify the same model year and trim.
What is still unknown
The Mercedes U.S. EPA range and U.S. price are not published in the cited launch material. BMW’s recently released-model range figures may await full EPA certification, and the reviewed BMW overview page does not establish a complete specification set for every 2026 trim. No independent side-by-side road test, real-world efficiency measurement, ride evaluation, or directly comparable BMW cargo test was established.
Those gaps do not make the comparison useless; they define what can responsibly be concluded today. Mercedes has the stronger published charging specification and a potentially significant long-distance case, while BMW offers the clearer near-term U.S. purchasing path. The final choice should wait for the Mercedes certification and price if those are decisive to your budget or route planning.
Quick Recap
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