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[German Electric Sedan New Era] Mercedes-Benz All-Electric C-Class vs. BMW All-Electric i3 | Full Comparison

【德系電動房車新世代】平治 Mercedes-Benz 純電 C-Class|寶馬 BMW 純電 i3|全面比較
Author
Eric Lau
Created On
2026-04-26
Edited On
2026-08-10
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In an era where the electric vehicle wave is surging, Germany's two leading automotive giants — Mercedes-Benz and BMW — are riding the crest of the tide with the back-to-back releases of their next-generation EVs: the all-electric C-Class and the all-electric i3. Today, Kwiksure takes an in-depth look at these two models, both considered the most iconic four-door sedans of their respective manufacturers, to see how each brand interprets the future of electric mobility. For those ready to make the switch, which one should you choose?

Table of contents
  • A comparison between the Mercedes-Benz C-Class EV and the BMW i3 EV
  • Exterior Features: All-Electric C-Class vs. All-Electric i3
  • Interior Features: All-Electric C-Class vs. All-Electric i3
  • Performance and Handling: All-Electric C-Class vs. All-Electric i3
  • Battery and Range: All-Electric C-Class vs. All-Electric i3
  • Which One to Choose? All-Electric C-Class vs. All-Electric i3
  • Frequently Asked Questions
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A comparison between the Mercedes-Benz C-Class EV and the BMW i3 EV

Specifications

brand

Mercedes-Benz

BMW

Model

C-Class C400 4MATIC

i3 50 xDrive 

Price

Pending

Pending

Number of seats

5

5

Battery capacity

94.5 kWh

Approximately 108 kWh

DC charging (10 minutes)

320 km

400 km

DC charging (10% - 80%)

22 minutes

21 minutes

WLTP range

762 km

900 km

0-100 km/h

4 seconds

4.9 s

Maximum horsepower

354 kW

345 kW

Maximum torque

800 Nm

645 Nm

drive system

Four-wheel drive (AWD)

Four-wheel drive (AWD)

wheelbase

2,962 mm

2,898 mm

volume

4,883 x 1,892 x 1,503 mm

4,760 x 1,865 x 1,480 mm

Carrying space

Front: 101L, Rear: 470L

Front: 58L, Rear: 520L

Exterior Features: All-Electric C-Class vs. All-Electric i3

The most surprising aspect of the all-new Mercedes-Benz All-Electric C-Class is undoubtedly its coupe-like styling. The fastback silhouette breaks the long-standing tradition of the C-Class as a classic three-box, four-door sedan. According to the manufacturer, it boasts an incredibly low drag coefficient of just 0.22 Cd, which significantly enhances its range. Additionally, the electric C-Class retains its signature large grille, featuring a closed design embedded with 1,050 illuminated star patterns. Complemented by star-shaped light elements within the front and rear lamps, the car exudes a sense of sophisticated stability.

The BMW All-Electric i3 marks the second production model of the Neue Klasse generation, following the iX3. It features a sporty and sharply defined silhouette, with one of its most distinctive design elements being the headlights that use light to sculpt the brand's iconic double-kidney grille. At the rear, BMW has avoided the full-width light bar commonly seen on modern EVs, opting instead for a look that offers higher recognition. Compared to the current 3 Series, the i3 has grown in every dimension: its length of 4,760 mm is 47 mm longer, its width of 1,864 mm is 37 mm wider, and its height of 1,481 mm has increased by 36 mm.

Interior Features: All-Electric C-Class vs. All-Electric i3

While the "one big screen" trend dominates modern electric vehicle interiors, BMW and Mercedes-Benz have each delivered their own brilliant interpretations of this concept.

The interior of the all-new Mercedes-Benz C-Class is centered around the MBUX Hyperscreen, a technological powerhouse measuring a staggering 39.1 inches. This massive display stretches from the driver's side to the front passenger area, spanning the entire width of the cabin. Powering the Hyperscreen is the MB.OS system, which integrates three major AI models — Google Gemini, ChatGPT-4o, and Microsoft AI—to create a formidable AI assistant. Another focal point is the panoramic roof, featuring Sky Control electronic transparency adjustment, which not only allows users to change light levels at will but also houses 162 hidden LED star emblems.

The BMW i3 takes a different path by discarding the traditional instrument cluster in favor of a 43.3-inch Panoramic Vision display that spans almost the entire lower section of the windshield. This system projects driving data directly onto the glass, allowing drivers to access a wealth of information while keeping their eyes fixed on the road, enhancing both convenience and safety. The vehicle runs on the latest BMW Operating System X, marking the brand's first use of Large Language Model (LLM) technology for a more natural voice interaction experience. Additionally, the cabin features a 17.9-inch central touchscreen and a steering wheel equipped with haptic vibration feedback.

Performance and Handling: All-Electric C-Class vs. All-Electric i3

Currently, Mercedes-Benz has only unveiled the C400 4MATIC version of the all-electric C-Class. It boasts a maximum output of 354 kW and 800 Nm of torque, enabling a 0-100 km/h sprint in just 4 seconds—performance figures that rival the gasoline-powered AMG C63. In addition to its all-wheel-drive layout, the electric C-Class features rear-axle steering with a steering angle of up to 4.5 degrees, reducing the turning diameter to 11.2 meters. Furthermore, the new model can be equipped with the AIRMATIC air suspension system, which utilizes Google Maps data and cameras to monitor road conditions ahead, pre-adjusting suspension firmness for a smoother ride and more precise, agile cornering.

On paper, the all-new BMW i3 delivers 345 kW of power and 645 Nm of torque. To take on its powerful rival, BMW has introduced the "Heart of Joy" system as the central brain of the new i3. This controller is ten times faster than previous versions and works alongside the Dynamic Performance Control system to integrate power delivery, steering, braking, and energy recuperation into a single processing unit, creating a seamless and fluid driving experience. The electric i3 also features a "Soft Stop" function, significantly reducing the jolting sensation often felt when the vehicle comes to a complete halt.

Performance

Model

Mercedes-Benz C-Class C400 4MATIC

BMW i3 50 xDrive

Maximum horsepower

354 kW

345 kW

Maximum torque

800 Nm

645 Nm

0-100 km/h

4 seconds

4.9 s

drive system

Four-wheel drive (AWD)

Four-wheel drive (AWD)

Performance characteristics

Four-wheel steering, air suspension, road prediction system

Heart of Joy system, Soft Stop braking system

Battery and Range: All-Electric C-Class vs. All-Electric i3

In the world of electric vehicles, dominance is no longer determined solely by performance and handling. Battery performance, charging systems, and driving range are now equally critical factors that can define a vehicle's appeal.

Battery and battery life

Model

Mercedes-Benz C-Class C400 4MATIC

BMW i3 50 xDrive

Battery capacity

94.5 kWh

Approximately 108 kWh

Charging architecture

800V (maximum DC 330kW)

800V (maximum DC 400kW)

DC charging (10 minutes)

320 km

400 km

DC charging (10% - 80%)

22 minutes

21 minutes

WLTP range

762 km

Approximately 900 km

Which One to Choose? All-Electric C-Class vs. All-Electric i3

What are the selling points of the Mercedes-Benz All-Electric C-Class?

  • Emphasis on Comfort and Technology: Focuses on a premium, futuristic driving experience.

  • Exquisitely Crafted Interior: High-quality materials and refined workmanship throughout the cabin.

  • AIRMATIC Air Suspension: Enhances ride quality for superior comfort.

  • 39.1-inch Giant Hyperscreen: A visually stunning, massive display spanning the dashboard.

  • Predictive Suspension Adjustment: Utilizes Google Maps and cameras to monitor road conditions and pre-adjust suspension firmness.

  • 4.5-degree Rear-Axle Steering: Reduces the turning radius for better maneuverability.

With its elegant interior craftsmanship, the visual impact of the Hyperscreen, and the supple vibration filtering of the air suspension, the all-electric C-Class is perfect for owners who prioritize interior texture and high-tech aesthetics. Additionally, the flexibility provided by the rear-axle steering allows this Mercedes-Benz to handle sharp turns and tight parking spots with effortless ease.

What are the selling points of the BMW All-Electric i3?

  • Exceptional Range: Up to 900 km (WLTP), leading its class.

  • Massive Battery Capacity: The 108.7 kWh battery offers an absolute advantage for long-distance travel.

  • Dynamic Handling: Five-link suspension and a firmer setup provide an authentic, engaging driving feel.

  • Panoramic Vision Display: Projects essential driving information onto the bottom of the windshield.

  • Ultra-Fast Charging: Supports up to 400 kW peak charging power.

The all-new BMW i3 (Neue Klasse) is tailor-made for owners who love driving and long-distance expeditions. Its 900 km range and 400 kW fast-charging efficiency significantly reduce range anxiety. Meanwhile, the Panoramic Vision display not only adds a futuristic touch but also allows the driver to stay more focused on the road. For users seeking precision and the traditional handling characteristics of a BMW sedan, the all-new i3 is an ideal choice.

Frequently Asked Questions

What are the key features of the all-new Mercedes-Benz All-Electric C-Class?

The all-new electric C-Class delivers a maximum output of 360 kW and can sprint from 0 to 100 km/h in just 4 seconds, with a driving range of 762 km. It can be equipped with the AIRMATIC air suspension system, featuring intelligent active damping. The cabin is highlighted by a 39.1-inch Hyperscreen running the latest MB.OS system, which comes with a fully integrated AI assistant.

 

What are the key features of the all-new BMW All-Electric i3?

The all-new electric i3 supports 400 kW DC fast charging, allowing it to gain approximately 400 km of range in just 10 minutes. It is equipped with a 108 kWh battery, offering a WLTP range of 900 km, while delivering 350 kW of power and 645 Nm of torque. The interior features Panoramic Vision, which projects driving information onto the dark area at the base of the windshield, enabling the driver to access essential data while keeping their eyes level with the road.

 

Contact Kwiksure to get electric car insurance quotes

Kwiksure has over 20 years of experience in the electric car insurance industry, comparing quotes from over 60 insurers in Hong Kong. Use our online quotation tool now to get a free electric car insurance quote!

The above information is for reference only. Kwiksure takes no responsibility for the accuracy and timeliness of the information. For the coverage, mode of compensation, benefit limit and premium levels of any specific insurance plan, please refer to the relevant policy terms.

Eric Lau
Author
Eric Lau

Eric is a content creator for Kwiksure, responsible for writing articles on various topics such as cars, travel, domestic helpers, etc., striving to provide readers with detailed and practical information.

With over 20 years of experience in the media industry and driving, Eric has worked for several newspapers, magazines, and online media outlets. Apart from his passion for writing, he also enjoys the pleasure that driving brings. On average, he drives over 40,000 kilometers per year.

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