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Mercedes B Class VS MG MG3 – Specs, Efficiency & Price Comparison

Which model is the better choice – the Mercedes B Class or the MG MG3? We compare performance (238 HP vs 194 HP), boot capacity (455 L vs 293 L), efficiency (0.80 L vs 4.40 L), and of course, the price (33100 £ vs 15400 £).
Find out now which car fits your needs better!

The Mercedes B Class (MPV) is powered by a Plugin Hybrid, Petrol MHEV or Diesel engine and comes with a Automatic transmission. In comparison, the MG MG3 (Hatchback) features a Full Hybrid or Petrol engine and a Automatic or Manuel gearbox.

When it comes to boot capacity, the Mercedes B Class offers 455 L, while the MG MG3 provides 293 L – depending on what matters most to you. If you’re looking for more power, you’ll need to decide whether the 238 HP of the Mercedes B Class or the 194 HP of the MG MG3 suits your needs better.

There are also differences in efficiency: 0.80 L vs 4.40 L. In terms of price, the Mercedes B Class starts at 33100 £, while the MG MG3 is available from 15400 £.

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

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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MG MG3

The MG MG3 presents itself as a vibrant and compact hatchback that's well-suited for urban environments. Its design combines a youthful aesthetic with practicality, offering a comfortable interior and a user-friendly infotainment system. With its engaging driving dynamics, it provides an enjoyable city ride that belies its budget-friendly pricing.

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Mercedes B Class
MG MG3
B Class
MG3

Costs and Consumption

Price
33100 - 52500 £
Price
15400 - 20600 £
Consumption L/100km
0.8 - 6.9 L
Consumption L/100km
4.4 - 6.1 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
83 km
Electric Range
-
Battery Capacity
12.90 kWh
Battery Capacity
-
co2
18 - 156 g/km
co2
100 - 137 g/km
Fuel tank capacity
35 - 51 L
Fuel tank capacity
36 L

Dimensions and Body

Body Type
MPV
Body Type
Hatchback
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1405 - 1745 kg
Curb weight
1285 kg
Trunk capacity
405 - 455 L
Trunk capacity
293 L
Length
4419 mm
Length
4113 mm
Width
1796 mm
Width
1797 mm
Height
1562 mm
Height
1502 mm
Payload
505 - 550 kg
Payload
448 kg

Engine and Performance

Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
Engine Type
Full Hybrid, Petrol
Transmission
Automatic
Transmission
Automatic, Manuel
Transmission Detail
Automat. Schaltgetriebe (Doppelkupplung)
Transmission Detail
Automatikgetriebe, Schaltgetriebe
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 238 HP
Power HP
116 - 194 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
8 s
Max Speed
200 - 250 km/h
Max Speed
170 km/h
Torque
200 - 450 Nm
Torque
-
Number of Cylinders
4
Number of Cylinders
4
Power kW
85 - 175 kW
Power kW
85 - 143 kW
Engine capacity
1332 - 1991 cm3
Engine capacity
1490 cm3

General

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

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.

MG MG3

An Introduction to the MG MG3: Compact yet Powerful

The MG MG3 2024 stands as a testament to how compact vehicles can blend style, efficiency, and power. The model, available as a sleek hatchback, promises a thrilling driving experience while maintaining eco-friendly standards. With its cutting-edge hybrid technology and robust powertrain, the MG MG3 is strategically designed to cater to motorists who desire both performance and sustainability.

Innovative Hybrid Technology

The MG MG3 features a full-hybrid engine, harnessing the best of both worlds with its gasoline and electric power sources. The automatic transmission ensures seamless gear transitions, providing a smooth and efficient ride. With a remarkable output of 194 PS (143 kW), the MG3 offers a powerful driving experience that is sure to impress even the most discerning drivers.

Fuel Efficiency and Environmental Impact

Efficiency is a key highlight of the MG MG3. With a fuel consumption of just 4.4 L/100km, this vehicle is engineered to keep running costs low and reduce environmental impact. The model adheres to a CO2 emission rate of 100 g/km, earning it a respectable CO2-efficiency class C. This makes it a highly attractive option for those conscious about their carbon footprint.

Performance and Dynamics

The MG MG3 accelerates from 0 to 100 km/h in just 8 seconds, delivering impressive agility for quick urban manoeuvres and confident motorway drives. The vehicle's front-wheel-drive system, coupled with a maximum speed of 170 km/h, ensures that drivers can enjoy both stability and exhilaration. The automatic gearbox enhances the overall responsiveness of the car, making each journey effortless.

Comfort and Interior Features

Balancing performance with comfort, the MG MG3 includes a variety of interior options across its trim levels: Automatik, Comfort Automatik, and Luxury Automatik. Designed to seat five passengers comfortably, this hatchback offers a surprisingly spacious interior given its compact exterior dimensions of 4113 mm in length, 1797 mm in width, and 1502 mm in height.

Practicality and Boot Space

Despite its compact size, the MG MG3 does not compromise on practicality. It features a boot capacity of 293 litres, perfect for everyday use or weekend getaways. The vehicle's design optimizes the available space, offering both driver and passengers a comfortable and functional environment.

Pricing and Value for Money

With a price range starting from €19,990 to €23,990, the MG MG3 offers significant value for money. Its balance of performance, efficiency, and modern technology makes it an attractive choice for budget-conscious buyers looking for a reliable yet dynamic vehicle that meets contemporary demands.

Conclusion: A Smart Choice for Urban Mobility

The 2024 MG MG3, with its innovative hybrid setup, excellent fuel efficiency, and robust performance, is perfectly crafted for urban dwellers seeking a stylish and reliable mode of transportation. As a hatchback, it encapsulates what modern drivers need: a blend of technology, practicality, and sustainability, all wrapped up in a competitively priced package.

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