New Mercedes C-Class Electric Challenges BMW i3 & Tesla Model 3

Guides 5 min read By Terry Hogan

Mercedes-Benz unveils its all-electric C-Class, set to redefine the executive saloon market. Discover prices and finance costs.

A modern electric Mercedes C-Class driving on a British road with subtle UK road markings under an overcast sky.

New Mercedes C-Class Electric – a challenge to the new 2026 BMW i3 and Model 3

Mercedes-Benz has finally unveiled the all-electric 2026 C-Class, which is set to arrive in UK showrooms toward the end of 2026. This is a significant moment for the brand, as the new car moves away from the old EQ branding and adopts a dedicated electric platform designed to challenge the very best in the executive saloon market.

Performance and range

The car will launch in the C 400 4MATIC trim, which uses two electric motors to provide all-wheel drive. With 483 hp on tap, it can reach 62 mph in just 4.0 seconds. While that performance is impressive, the focus is clearly on efficiency and long-distance travel.

The C-Class Electric is equipped with a 94 kWh battery, giving it a maximum WLTP range of 473 miles. This is a major step up from the current electric saloons on the market and is supported by a new 800-volt system that allows for 330 kW rapid charging. If you find a fast enough charger, you can add 200 miles of range in about 10 minutes.

Most EV drivers charge at home, and a full charge on a 94kWh battery will take around 14 hours on a standard 7kw feed.


How it compares to the competition

The Mercedes enters a market that is suddenly very crowded. Its main rival is the upcoming BMW i3 (part of the new "Neue Klasse" range), while the Tesla Model 3 remains the most common choice for many buyers.

Feature

Mercedes C-Class Electric

BMW i3 (Neue Klasse)

Tesla Model 3 (Long Range)

Estimated Price

£58,000

£55,000

£50,000

Peak Power

483 hp

469 hp

490 hp

0-62 mph

4.0 seconds

4.9 seconds (est.)

4.2 seconds

Max Range (WLTP)

473 miles

559 miles

421 miles

Max Charging Speed

330 kW

400 kW

250 kW

Voltage System

800V

800V

400V


Interior and technology

Both Mercedes and BMW have created beautiful interiors for their new models, but they have taken very different paths.

The Mercedes features the optional MBUX Hyperscreen, a massive piece of screen space that spans almost the entire width of the dashboard. It integrates three separate screens and uses augmented reality for navigation, making it feel like a scaled-down version of the luxury EQS. Even the standard models come with a triple-screen layout, which is something you won't find in its rivals.

In contrast, the BMW i3 uses the option of Panoramic Vision, a HUD or Heads-Up-Display that projects information across the entire bottom of the windscreen. While both are high-tech, the Mercedes feels more like a traditional luxury lounge filled with screens albeit it can feel a bit OTT to some traditional buyers. But it is an option, so you can just choose not to have one!

The Tesla is starting to fall behind

Tesla has dominated this sector for years, but these new German rivals are beginning to show where the Model 3 is showing its age. While the Tesla is still considerably cheaper, it uses an older 400-volt architecture. This means its charging speeds are capped at 250 kW, whereas the Mercedes and BMW can both charge much faster.

The Model 3 also lacks the interior luxury found in the C-Class. While the Tesla is minimalist and functional, the Mercedes offers a level of build quality, material choice and advanced display technology that the Model 3 simply cannot match. If you are looking for the best price, the Tesla wins, but for technology and range, it is no longer the leader.


Other models coming to the range

The C 400 4MATIC is just the beginning for the electric C-Class. Mercedes has already confirmed that more versions will be released throughout 2027.

  • Long-range models: A single-motor, rear-wheel-drive version is in development. By removing the front motor and focusing on efficiency, Mercedes expects this version to exceed 500 miles of range.

  • AMG versions: A high-performance AMG model is also expected. It will likely use even more powerful motors and more aggressive styling to compete with the upcoming electric BMW M3, with more power, but at the expense of a bit of range.

  • SUV counterparts: If you need more space, an electric GLC SUV built on the same platform has already been revealed and will offer similar range and charging stats in a larger body style.

A quick summary of the choice

The new C-Class Electric is the car for those who want a real luxury experience without sacrificing range. The BMW i3 might go quite a bit further on a single charge, and the Tesla is certainly cheaper to buy, but the Mercedes offers a good combination of high-speed charging and that show-stopping Hyperscreen interior. For many executive car buyers, this will likely become the new benchmark in the class.

However, for residual values, range often wins in EV's, so the BMW might be a better option financially.

For finance options, we'd wait for some demo models to be available and buy one of the early used ones. Try our finance calculator to work out the best options across PCP and HP on the new Mercedes C Class Electric.

Disclaimer

Rates are the best available and may not be available for this exact vehicle. Mileages, vehicle age, term of loan, the exact lender and the type of finance can all affect the rate and monthly payment. Rates can change and previous examples shown may no longer be available. We use large language models (LLMs) to extract data from website pages to calculate our savings. LLMs can make errors so it's important you check the information on any quotes with the brokers in our panel. They will re-run all quotes with their individual lenders panels to find the appropriate deal based on today's rates.

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About the author

Terry Hogan
Terry Hogan

Co-founder

Terry Hogan is the co-founder of Prefinance.co.uk. He has over 20 years experience founding digital businesses in financial services, automotive, advertising and media and is the founder of Regit.cars and motoring.co.uk. He was also Chief Product Officer at DSG Financial Services until 2024.