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Mercedes B Class vs DS Automobiles DS 9 comparison

Compare performance (238 HP vs 360 HP), boot space and price (33,100 £ vs 55,100 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or DS Automobiles DS 9?

Mercedes B Class vs DS Automobiles DS 9: Key differences

Mercedes B Class

4.9 (5 Reviews)
rate
  • significantly cheaper
  • noticeably lighter
details

DS Automobiles DS 9

5 (1 Reviews)
rate
  • noticeably more power
  • substantially more efficient
  • slightly quicker 0–100 km/h
  • moderately more trunk space
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:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Mercedes B Class is significantly cheaper – starting at 33,100 £ , while the DS Automobiles DS 9 costs 55,100 £ . That’s a price difference of around 21,951 £.

Fuel consumption also shows a difference: the DS Automobiles DS 9 uses 1.2 L/100km and is substantially more efficient than the Mercedes B Class with 5.1 L/100km. The difference is about 3.9 L/100km.

DS 9

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the DS Automobiles DS 9 offers noticeably more power – delivering 360 HP compared to 238 HP. That’s roughly 122 HP more horsepower.

When accelerating from 0 to 100 km/h, the DS Automobiles DS 9 is slightly quicker – completing the sprint in 5.6 s, while the Mercedes B Class takes 6.5 s. That’s about 0.9 s quicker.

There’s also a difference in torque: the DS Automobiles DS 9 delivers markedly more torque with 520 Nm compared to 400 Nm. That’s about 120 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 noticeably lighter – 1,405 kg compared to 1,864 kg. The difference is around 459 kg.

Looking at boot space, the DS Automobiles DS 9 offers moderately more boot space – 510 L compared to 455 L. That’s a difference of about 55 L.

When it comes to payload, the Mercedes B Class carries moderately more – 550 kg compared to 489 kg. That’s a difference of about 61 kg.

Who wins the race in the data check?

The DS Automobiles DS 9 stands well ahead of its rival 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 £55,100
DS 9

DS Automobiles DS 9

  • Engine Type Plugin Hybrid
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 250 - 360 HP
  • Consumption L/100km 1.2 - 1.7 L/100km
  • Electric Range 62 - 75 km
details

Frequently compared as well

Mercedes B Class
Mercedes GLA
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Mercedes A Class
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Mercedes B Class
DS Automobiles DS 9

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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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

DS Automobiles DS 9

The DS 9 is a striking French luxury saloon that pairs haute couture styling with a calm, composed ride that pampers passengers. Inside, meticulous craftsmanship and quirky DS details give the cabin real personality, making it an attractive choice if you want to stand out without sacrificing comfort.

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CL 19

Reviews DS Automobiles DS 9

5 (1 Reviews)
rate

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

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Mercedes B Class
DS Automobiles DS 9

Costs and Consumption
Price
33,100 - 52,500 £
Price
55,100 - 74,100 £
Consumption L/100km
5.1 - 6.9 L/100km
Consumption L/100km
1.2 - 1.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
62 - 75 km
Battery Capacity
-
Battery Capacity
-
co2
133 - 156 g/km
co2
28 - 38 g/km
Fuel tank capacity
-
Fuel tank capacity
42 L

Dimensions and Body
Body Type
MPV
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
4
Curb weight
1,405 - 1,565 kg
Curb weight
1,864 - 1,931 kg
Trunk capacity
445 - 455 L
Trunk capacity
510 L
Length
-
Length
4,934 mm
Width
1,796 mm
Width
1,855 mm
Height
-
Height
1,459 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
515 - 550 kg
Payload
486 - 489 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel
Engine Type
Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
116 - 238 HP
Power HP
250 - 360 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
5.6 - 8.1 s
Max Speed
-
Max Speed
240 - 250 km/h
Torque
200 - 400 Nm
Torque
320 - 520 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
85 - 175 kW
Power kW
183 - 265 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
1,598 cm3

General
Model Year
2025
Model Year
2,021 - 2,023
CO2 Efficiency Class
D, E, F
CO2 Efficiency Class
B
Brand
Mercedes-Benz
Brand
DS Automobiles
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.