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Mercedes B Class vs Renault Mégane comparison

Compare performance (238 HP vs 218 HP), boot space and price (33,100 £ vs 35,100 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or Renault Mégane?

Mercedes B Class vs Renault Mégane: Key differences

Mercedes B Class

4.9 (5 Reviews)
rate
  • only slightly cheaper
  • only slightly more power
  • slightly quicker 0–100 km/h
  • markedly lighter
  • slightly more trunk space
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Renault Mégane

4 (1 Reviews)
rate
details

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

By Achim Sedelmaier

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

B Class

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Mercedes B Class is only slightly cheaper – starting at 33,100 £ , while the Renault Mégane costs 35,100 £ . That’s a price difference of around 1,928 £.

Mégane

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 only slightly more power – delivering 238 HP compared to 218 HP. That’s roughly 20 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes B Class is slightly quicker – completing the sprint in 6.5 s, while the Renault Mégane takes 7.4 s. That’s about 0.9 s quicker.

There’s also a difference in torque: the Mercedes B Class delivers noticeably more torque with 400 Nm compared to 300 Nm. That’s about 100 Nm more.

B Class

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes B Class is markedly lighter – 1,405 kg compared to 1,719 kg. The difference is around 314 kg.

Looking at boot space, the Mercedes B Class offers slightly more boot space – 455 L compared to 389 L. That’s a difference of about 66 L.

When it comes to payload, the Mercedes B Class carries a bit more – 550 kg compared to 446 kg. That’s a difference of about 104 kg.

Who wins the race in the data check?

The Mercedes B Class is barely 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 £33,100
B Class

Mercedes B Class

  • Engine Type Petrol MHEV, Diesel
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 116 - 238 HP
  • Consumption L/100km 5.1 - 6.9 L/100km
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Frequently compared as well

Mercedes B Class
Mercedes GLA
VS
The Mercedes B‑Class and Mercedes GLA target buyers who want Mercedes practicality with premium touches, but they take different paths: the B‑Class is a spacious, hatchback-style people carrier while the GLA is a compact crossover with a higher ride height and sportier stance. This comparison looks …
Mercedes A Class
Mercedes B Class
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Mercedes B Class
Renault Mégane

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.

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18C0947_009
18C0953_005
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18C0947_044

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

Renault Mégane

The Renault Mégane blends Gallic flair with practical everyday charm, showing that sensible transport can still have personality and poise. It’s a smart pick for buyers who want a comfortable, stylish hatchback that feels a little more special than the usual commute companion.

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r211799p
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r211756p
r211745p

Reviews Renault Mégane

4 (1 Reviews)
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No reviews yet. Share your experience and help others decide.

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Mercedes B Class
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Mercedes B Class
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Mercedes B Class
Renault Mégane

Costs and Consumption
Price
33,100 - 52,500 £
Price
35,100 - 38,500 £
Consumption L/100km
5.1 - 6.9 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
15.4 kWh/100km
Electric Range
-
Electric Range
452 km
Battery Capacity
-
Battery Capacity
-
co2
133 - 156 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
MPV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
1,405 - 1,565 kg
Curb weight
1,719 kg
Trunk capacity
445 - 455 L
Trunk capacity
389 L
Length
-
Length
4,200 mm
Width
1,796 mm
Width
1,783 mm
Height
-
Height
1,505 mm
Max trunk capacity
-
Max trunk capacity
1,332 L
Payload
515 - 550 kg
Payload
446 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 238 HP
Power HP
218 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
7.4 s
Max Speed
-
Max Speed
160 km/h
Torque
200 - 400 Nm
Torque
300 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
85 - 175 kW
Power kW
160 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
D, E, F
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Renault
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.