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Mercedes S-Class vs Bentley Flying Spur comparison

Compare performance (635 HP vs 550 HP), boot space and price (104,000 £ vs 180,900 £ ) at a glance. Find out which car is the better choice for you – Mercedes S-Class or Bentley Flying Spur?

Mercedes S-Class vs Bentley Flying Spur: Key differences

Mercedes S-Class

  • significantly cheaper
  • moderately more power
  • substantially more efficient
  • clearly more electric range
  • barely quicker 0–100 km/h
  • marginally lighter
  • noticeably more trunk space
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Bentley Flying Spur

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By Achim Sedelmaier

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

S-Class

Costs and Efficiency:

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

Mercedes S-Class is significantly cheaper – starting at 104,000 £ , while the Bentley Flying Spur costs 180,900 £ . That’s a price difference of around 76,838 £.

Fuel consumption also shows a difference: the Mercedes S-Class uses 2.2 L/100km and is substantially more efficient than the Bentley Flying Spur with 3.3 L/100km. The difference is about 1.1 L/100km.

As for electric range, the Mercedes S-Class offers clearly more range – reaching up to 118 km, about 77 km more than the Bentley Flying Spur.

Flying Spur

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 S-Class offers moderately more power – delivering 635 HP compared to 550 HP. That’s roughly 85 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes S-Class is barely quicker – completing the sprint in 4 s, while the Bentley Flying Spur takes 4.1 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Mercedes S-Class delivers very slightly more torque with 850 Nm compared to 770 Nm. That’s about 80 Nm more.

S-Class

Space and Everyday Use:

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

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

In terms of curb weight, Mercedes S-Class is marginally lighter – 2,165 kg compared to 2,330 kg. The difference is around 165 kg.

Looking at boot space, the Mercedes S-Class offers noticeably more boot space – 530 L compared to 420 L. That’s a difference of about 110 L.

When it comes to payload, the Mercedes S-Class carries barely more – 660 kg compared to 650 kg. That’s a difference of about 10 kg.

Who wins the race in the data check?

The Mercedes S-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 £104,000
S-Class

Mercedes S-Class

  • Engine Type Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Rear-Wheel Drive
  • Power HP 336 - 635 HP
  • Consumption L/100km 2.2 - 11 L/100km
  • Electric Range 98 - 118 km
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Mercedes S-Class
Bentley Flying Spur

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes S-Class

The Mercedes S-Class wraps peerless comfort, whisper-quiet luxury and subtle tech wizardry into a chauffeur-ready package that still knows how to engage the driver. It’s the car for buyers who want to arrive relaxed, be taken seriously and occasionally enjoy a grin when the road reminds them this limousine can dance.

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Reviews Mercedes S-Class

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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

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Mercedes S-Class
Bentley Flying Spur

Costs and Consumption
Price
104,000 - 201,400 £
Price
180,900 - 186,300 £
Consumption L/100km
2.2 - 11 L/100km
Consumption L/100km
3.3 - 12.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
98 - 118 km
Electric Range
41 km
Battery Capacity
-
Battery Capacity
18 kWh
co2
50 - 252 g/km
co2
75 - 288 g/km
Fuel tank capacity
-
Fuel tank capacity
80 - 90 L

Dimensions and Body
Body Type
Sedan
Body Type
Sedan
Seats
5
Seats
4
Doors
-
Doors
4
Curb weight
2,165 - 2,650 kg
Curb weight
2,330 - 2,505 kg
Trunk capacity
345 - 530 L
Trunk capacity
420 L
Length
-
Length
5,316 mm
Width
1,921 mm
Width
2,013 mm
Height
-
Height
1,483 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
420 - 660 kg
Payload
525 - 650 kg

Engine and Performance
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Engine Type
Plugin Hybrid, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
336 - 635 HP
Power HP
544 - 550 HP
Acceleration 0-100km/h
4 - 5.7 s
Acceleration 0-100km/h
4.1 - 4.3 s
Max Speed
-
Max Speed
285 - 318 km/h
Torque
560 - 850 Nm
Torque
750 - 770 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
247 - 467 kW
Power kW
400 - 404 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
2,894 - 3,996 cm3

General
Model Year
2026
Model Year
2,021 - 2,022
CO2 Efficiency Class
G, B, F
CO2 Efficiency Class
B, G
Brand
Mercedes-Benz
Brand
Bentley
Is the Mercedes S-Class offered with different drivetrains?

The Mercedes S-Class is offered with All-Wheel Drive or Rear-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.