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Mercedes B Class vs MG MG5 comparison

Compare performance (238 HP vs 177 HP), boot space and price (33,100 £ vs 30,400 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or MG MG5?

Mercedes B Class vs MG MG5: Key differences

Mercedes B Class

4.9 (5 Reviews)
rate
  • markedly more power
  • noticeably quicker 0–100 km/h
  • a bit lighter

MG MG5

5 (1 Reviews)
rate
  • only slightly cheaper
  • considerably more electric range
  • very slightly more trunk space

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

Here’s where it gets real: The technical differences in detail

B Class

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

MG MG5 is only slightly cheaper – starting at 30,400 £ , while the Mercedes B Class costs 33,100 £ . That’s a price difference of around 2,709 £.

As for electric range, the MG MG5 offers considerably more range – reaching up to 400 km, about 317 km more than the Mercedes B Class.

MG5

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes B Class offers markedly more power – delivering 238 HP compared to 177 HP. That’s roughly 61 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes B Class is noticeably quicker – completing the sprint in 6.5 s, while the MG MG5 takes 8.3 s. That’s about 1.8 s quicker.

Looking at top speed, the Mercedes B Class is slightly faster – reaching 223 km/h, while the MG MG5 tops out at 185 km/h. The difference is around 38 km/h.

There’s also a difference in torque: the Mercedes B Class delivers markedly more torque with 450 Nm compared to 280 Nm. That’s about 170 Nm more.

B Class

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes B Class is a bit lighter – 1,405 kg compared to 1,562 kg. The difference is around 157 kg.

Looking at boot space, the MG MG5 offers very slightly more boot space – 479 L compared to 455 L. That’s a difference of about 24 L.

For maximum load capacity, the Mercedes B Class offers only slightly more capacity – up to 1,440 L, about 73 L more than the MG MG5.

When it comes to payload, the Mercedes B Class carries somewhat more – 550 kg compared to 455 kg. That’s a difference of about 95 kg.

Who wins the race in the data check?

The MG MG5 is decisively ahead in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from £30,400
MG5

MG MG5

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 156 - 177 HP
  • Consumption kWh/100km : 17.5 - 18.4 kWh/100km
  • Electric Range : 310 - 400 km
details

Frequently compared as well

Mercedes B Class
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Mercedes B Class
MG MG5

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes B Class

The Mercedes B-Class is a smart, grown-up compact people carrier that dresses everyday practicality in a near‑premium polish, perfect for buyers who want comfort and a classy badge without the theatrics. It won’t set your pulse racing on a back road, but it will make school runs, commutes and grocery hauls feel pleasantly civilized — a reliable, slightly posh companion for real life.

details
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Reviews Mercedes B Class

4.9 (5 Reviews)
rate
Peter
5 Mar 2026, 05:51:19

My wife and I have been driving a Mercedes W247 200d for seven years now, with 93,000 km on the clock. The car is very comfortable even on long trips and economical. At the last service the pads of the electric parking brake were replaced; otherwise no repairs. We love this car.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

MG MG5

The MG5 is a surprisingly practical and stylish estate that gives family buyers a sensible, down-to-earth alternative to bland crossovers. As an electric wagon it blends everyday usability with low running costs and a cheeky dash of character, making it an easy pick if you value space and thrift over badge snobbery.

details
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MG5-dynamic-driving-rear-end-01
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MG5-driving-front-shot-01
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Reviews MG MG5

5 (1 Reviews)
rate

No reviews yet. Share your experience and help others decide.

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Mercedes B Class
MG MG5

Costs and Consumption
Price
33,100 - 52,500 £
Price
30,400 - 34,300 £
Consumption L/100km
2.5 - 6.9 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
17.5 - 18.4 kWh/100km
Electric Range
83 km
Electric Range
310 - 400 km
Battery Capacity
12.9 kWh
Battery Capacity
48.3 - 57.7 kWh
co2
56 - 156 g/km
co2
0 g/km
Fuel tank capacity
35 L
Fuel tank capacity
-

Dimensions and Body
Body Type
MPV
Body Type
Estate
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1,405 - 1,745 kg
Curb weight
1,562 kg
Trunk capacity
405 - 455 L
Trunk capacity
479 L
Length
4,419 mm
Length
4,600 mm
Width
1,796 mm
Width
1,818 mm
Height
1,562 mm
Height
1,543 mm
Max trunk capacity
1,440 L
Max trunk capacity
1,367 L
Payload
505 - 550 kg
Payload
455 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
-
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 238 HP
Power HP
156 - 177 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
8.3 s
Max Speed
223 km/h
Max Speed
185 km/h
Torque
200 - 450 Nm
Torque
280 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
85 - 175 kW
Power kW
115 - 130 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
-

General
Model Year
2,024 - 2,025
Model Year
2,022
CO2 Efficiency Class
B, D, E, F
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
MG
What drivetrain options does the Mercedes B Class have?

Available configurations include Front-Wheel Drive or All-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.