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Mercedes A-Class VS Mercedes B Class – Specs, Efficiency & Price Comparison

Which model is the better choice – the Mercedes A-Class or the Mercedes B Class? We compare performance (320 HP vs 238 HP), boot capacity (350 L vs 455 L), efficiency (0.70 L vs 0.80 L), and of course, the price (32300 £ vs 33100 £).
Find out now which car fits your needs better!

The Mercedes A-Class (Hatchback) is powered by a Plugin Hybrid, Petrol MHEV or Diesel engine and comes with a Automatic transmission. In comparison, the Mercedes B Class (MPV) features a Plugin Hybrid, Petrol MHEV or Diesel engine and a Automatic gearbox.

When it comes to boot capacity, the Mercedes A-Class offers 350 L, while the Mercedes B Class provides 455 L – depending on what matters most to you. If you’re looking for more power, you’ll need to decide whether the 320 HP of the Mercedes A-Class or the 238 HP of the Mercedes B Class suits your needs better.

There are also differences in efficiency: 0.70 L vs 0.80 L. In terms of price, the Mercedes A-Class starts at 32300 £, while the Mercedes B Class is available from 33100 £.

Compare all the key specs now and find out which model fits your lifestyle best!

Mercedes A-Class

The Mercedes-Benz A-Class is a perfect blend of luxury and practicality, offering a refined interior that boasts high-quality materials and meticulous attention to detail. It's designed with a sleek and modern aesthetic that appeals to those who appreciate both style and performance. The driving experience is enhanced by cutting-edge technology and a range of features that provide both comfort and safety on every journey.

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Mercedes B Class

The Mercedes-Benz B-Class offers a blend of practicality and luxury that sets it apart in the compact MPV segment. Its spacious and versatile interior is complemented by high-quality materials and a sleek design, making it ideal for both families and individuals seeking a touch of elegance on their daily commute. Advanced technology and safety features round out the package, ensuring a comfortable and secure driving experience.

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Mercedes A-Class
Mercedes B Class
A-Class
B Class

Costs and Consumption

Price
32300 - 55600 £
Price
33100 - 52500 £
Consumption L/100km
0.7 - 8.3 L
Consumption L/100km
0.8 - 6.9 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
86 km
Electric Range
83 km
Battery Capacity
12.90 kWh
Battery Capacity
12.90 kWh
co2
17 - 188 g/km
co2
18 - 156 g/km
Fuel tank capacity
35 - 51 L
Fuel tank capacity
35 - 51 L

Dimensions and Body

Body Type
Hatchback
Body Type
MPV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1440 - 1695 kg
Curb weight
1405 - 1745 kg
Trunk capacity
310 - 350 L
Trunk capacity
405 - 455 L
Length
4428 - 4447 mm
Length
4419 mm
Width
1796 mm
Width
1796 mm
Height
1407 - 1423 mm
Height
1562 mm
Payload
475 - 485 kg
Payload
505 - 550 kg

Engine and Performance

Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automat. Schaltgetriebe (Doppelkupplung)
Transmission Detail
Automat. Schaltgetriebe (Doppelkupplung)
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
116 - 320 HP
Power HP
116 - 238 HP
Acceleration 0-100km/h
4.7 - 9.7 s
Acceleration 0-100km/h
6.5 - 10 s
Max Speed
202 - 250 km/h
Max Speed
200 - 250 km/h
Torque
200 - 450 Nm
Torque
200 - 450 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
85 - 235 kW
Power kW
85 - 175 kW
Engine capacity
1332 - 1991 cm3
Engine capacity
1332 - 1991 cm3

General

Model Year
2024 - 2025
Model Year
2024 - 2025
CO2 Efficiency Class
B, D, E, G
CO2 Efficiency Class
B, D, E, F
Brand
Mercedes-Benz
Brand
Mercedes-Benz

Mercedes A-Class

The Evolution of the Mercedes-Benz A-Class: An Icon of Innovation

The Mercedes-Benz A-Class has long been a symbol of compact luxury and cutting-edge technology, and its latest iterations continue to impress. This model provides more than a sleek design and luxurious interiors; it fuses technology with performance, setting new benchmarks in its segment.

Design and Engineered Elegance

The Mercedes-Benz A-Class is renowned for its stylish and dynamic design, combining elegant aesthetics with an outstanding aerodynamic profile. This balance of form and function is supported by a range of engine options, all of which showcase meticulous engineering. The models boast various power outputs, from 116 PS to 421 PS, offering flexibility for all types of drivers.

Powertrain Options: From Efficient to Exhilarating

The A-Class offers an array of powertrain options, catering to different driving preferences. Featuring petrol mild-hybrids, diesel engines, and even a plug-in hybrid, there are options for those focused both on performance and efficiency. The plug-in hybrid model, for example, presents a remarkable electrical range of up to 86 km, delivering a consumption rate of just 0.7 L/100km, making it ideal for urban commuting.

Advanced Technology at Your Fingertips

Technological innovation is at the heart of the A-Class experience. The latest models are equipped with the MBUX (Mercedes-Benz User Experience) infotainment system, which includes a voice-activated control system and a high-resolution display. Advanced driver assistance systems ensure enhanced safety, providing features like adaptive cruise control and active lane-keeping assistance.

Dynamic Performance and Refined Handling

The A-Class not only promises comfort but also a dynamic driving experience. Models equipped with the AMG Line offer enhanced performance with up to 421 PS, accelerating from 0-100 km/h in as fast as 3.9 seconds. The innovative suspension system and an excellent weight distribution ensure both agility and a comfortable ride.

Sustainability Meets Luxury

In today's eco-conscious world, the A-Class sets a benchmark for environmental sustainability without compromising on luxury. With a range of CO2 efficiency classes from B to G, and impressive fuel economy figures, the A-Class proves that luxury and sustainability can go hand in hand.

Conclusion: The Mercedes-Benz A-Class Legacy Continues

With its blend of stylish design, advanced technology, and powerful performance, the Mercedes-Benz A-Class continues to be a leader in the premium compact segment. Whether you prioritise efficiency, power, or modern connectivity, the A-Class promises a driving experience that is both exhilarating and elegant.

Mercedes B Class

A New Era of Compact Luxury: The Mercedes-Benz B-Class

The Mercedes-Benz B-Class represents a perfect blend of luxury, utility, and cutting-edge technology, standing as a testament to the brand’s commitment to innovation and class. This compact luxury MPV is tailored for motorists who seek practicality without compromising on performance and style.

Performance and Efficiency: A Comprehensive Overview

The new B-Class range comes with a selection of powertrains, including petrol mild-hybrids, diesels, and plug-in hybrids, ensuring a wide array of choices for every driving preference. The power output ranges from 116 to 238 PS, offering a harmonious balance of power and efficiency.

Among the exciting options, the plug-in hybrid variant stands out with a fuel consumption rate as low as 0.8 L/100km and an electric range of up to 83 km. The petrol and diesel engines offer impressive efficiency, with consumption ranging from 5.1 to 7.1 L/100km, catering to both environmental consciousness and driving pleasure.

Innovative Technology: Staying Ahead of the Curve

Inside the B-Class, drivers will find an array of technology designed to enhance the driving experience. The latest MBUX infotainment system comes with a high-resolution touchscreen, voice activation, and a suite of connectivity features, making each journey both intuitive and enjoyable.

Mercedes-Benz has also incorporated advanced driver-assistance systems, including adaptive cruise control and lane-keeping assist, to enhance safety and convenience. These features ensure that the B-Class not only keeps up with the demands of modern drivers but also anticipates them.

Design and Luxury: A Compact Model with Presence

The Mercedes-Benz B-Class has been designed to offer maximum interior comfort while maintaining a compact external profile. The vehicle’s aerodynamic shape is complemented by a stylish front fascia and distinctive body lines, giving it a dynamic yet elegant appearance.

Inside, the B-Class doesn't skimp on luxury. With a high-quality finish, ergonomic seating, and comprehensive climate control systems, it delivers a refined environment for driver and passengers alike, echoing the luxurious feel synonymous with the Mercedes-Benz brand.

Customisation and Price: Tailored to Individual Tastes

The B-Class provides ample customisation options across its variants. From Advanced to AMG Line, each offers a unique set of features and aesthetic touches, allowing buyers to tailor the vehicle to their personal tastes.

Pricing for the B-Class starts at €38,413 and can go up to €60,577, reflecting the range of configurations available. While some may see this as a premium investment, the comprehensive offering of features, efficiency, and luxury justifies the cost.

Conclusion: The Future of Compact Luxury is Here

The Mercedes-Benz B-Class remains a standout choice in the compact luxury segment, thanks to its combination of state-of-the-art technology, refined design, and performance efficiency. Whether you're considering practicality, luxury, or a bit of both, the B-Class is poised to meet your needs with aplomb.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.