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Mercedes B Class vs Bentley Flying Spur comparison

Compare performance (238 HP vs 550 HP), boot space and price (33,100 £ vs 180,900 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or Bentley Flying Spur?

Mercedes B Class vs Bentley Flying Spur: Key differences

Mercedes B Class

4.9 (5 Reviews)
rate
  • considerably cheaper
  • clearly lighter
  • very slightly more trunk space
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Bentley Flying Spur

  • clearly more power
  • considerably more efficient
  • clearly quicker 0–100 km/h
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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 considerably cheaper – starting at 33,100 £ , while the Bentley Flying Spur costs 180,900 £ . That’s a price difference of around 147,728 £.

Fuel consumption also shows a difference: the Bentley Flying Spur uses 3.3 L/100km and is considerably more efficient than the Mercedes B Class with 5.1 L/100km. The difference is about 1.8 L/100km.

Flying Spur

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Bentley Flying Spur offers clearly more power – delivering 550 HP compared to 238 HP. That’s roughly 312 HP more horsepower.

When accelerating from 0 to 100 km/h, the Bentley Flying Spur is clearly quicker – completing the sprint in 4.1 s, while the Mercedes B Class takes 6.5 s. That’s about 2.4 s quicker.

There’s also a difference in torque: the Bentley Flying Spur delivers clearly more torque with 770 Nm compared to 400 Nm. That’s about 370 Nm more.

B Class

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Mercedes B Class offers more seats – 5 vs 4.

In terms of curb weight, Mercedes B Class is clearly lighter – 1,405 kg compared to 2,330 kg. The difference is around 925 kg.

Looking at boot space, the Mercedes B Class offers very slightly more boot space – 455 L compared to 420 L. That’s a difference of about 35 L.

When it comes to payload, the Bentley Flying Spur carries somewhat more – 650 kg compared to 550 kg. That’s a difference of about 100 kg.

Who wins the race in the data check?

The Mercedes B Class 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 £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 A Class
Mercedes B Class
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Mercedes B Class
Bentley Flying Spur

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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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

Bentley Flying Spur

The Bentley Flying Spur wraps landmark luxury and bespoke British craft into a sedan that feels like a private members' club you can park in your driveway. It delivers chauffeur-grade comfort wrapped in driver-focused poise, turning an ordinary commute into a memorably grand arrival.

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Flying Spur Speed - 1
Flying Spur Speed - 2
Flying Spur Speed - 9
Flying Spur Speed - 11
Flying Spur Speed - 12

Reviews Bentley Flying Spur

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

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Mercedes B Class
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Mercedes B Class
Bentley Flying Spur

Costs and Consumption
Price
33,100 - 52,500 £
Price
180,900 - 186,300 £
Consumption L/100km
5.1 - 6.9 L/100km
Consumption L/100km
3.3 - 12.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
41 km
Battery Capacity
-
Battery Capacity
18 kWh
co2
133 - 156 g/km
co2
75 - 288 g/km
Fuel tank capacity
-
Fuel tank capacity
80 - 90 L

Dimensions and Body
Body Type
MPV
Body Type
Sedan
Seats
5
Seats
4
Doors
-
Doors
4
Curb weight
1,405 - 1,565 kg
Curb weight
2,330 - 2,505 kg
Trunk capacity
445 - 455 L
Trunk capacity
420 L
Length
-
Length
5,316 mm
Width
1,796 mm
Width
2,013 mm
Height
-
Height
1,483 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
515 - 550 kg
Payload
525 - 650 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel
Engine Type
Plugin Hybrid, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
116 - 238 HP
Power HP
544 - 550 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
4.1 - 4.3 s
Max Speed
-
Max Speed
285 - 318 km/h
Torque
200 - 400 Nm
Torque
750 - 770 Nm
Number of Cylinders
4
Number of Cylinders
6 - 8
Power kW
85 - 175 kW
Power kW
400 - 404 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
2,894 - 3,996 cm3

General
Model Year
2025
Model Year
2,021 - 2,022
CO2 Efficiency Class
D, E, F
CO2 Efficiency Class
B, G
Brand
Mercedes-Benz
Brand
Bentley
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.