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Mercedes S Class vs Mercedes GLS comparison

Compare performance (585 HP vs 634 HP), boot space and price (104,000 £ vs 96,100 £ ) at a glance. Find out which car is the better choice for you – Mercedes S Class or Mercedes GLS?

Mercedes S Class vs Mercedes GLS: Key differences

Mercedes S Class

  • substantially more efficient
  • barely quicker 0–100 km/h
  • a bit lighter

Mercedes GLS

  • marginally cheaper
  • very slightly more power

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 GLS is marginally cheaper – starting at 96,100 £ , while the Mercedes S Class costs 104,000 £ . That’s a price difference of around 7,899 £.

Fuel consumption also shows a difference: the Mercedes S Class uses 2.2 L/100km and is substantially more efficient than the Mercedes GLS with 7.8 L/100km. The difference is about 5.6 L/100km.

GLS

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 GLS offers very slightly more power – delivering 634 HP compared to 585 HP. That’s roughly 49 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 Mercedes GLS takes 4.2 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the Mercedes GLS delivers moderately more torque with 850 Nm compared to 750 Nm. That’s about 100 Nm more.

S 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 GLS offers more seats – 7 vs 5.

In terms of curb weight, Mercedes S Class is a bit lighter – 2,165 kg compared to 2,550 kg. The difference is around 385 kg.

When it comes to payload, the Mercedes GLS carries barely more – 695 kg compared to 660 kg. That’s a difference of about 35 kg.

Who wins the race in the data check?

The Mercedes S Class 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 £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 - 585 HP
  • Consumption L/100km : 2.2 - 10.6 L/100km
  • Electric Range : 102 - 118 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

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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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Mercedes GLS

The GLS — usually just called the GLS — is Mercedes' flagship SUV, wrapping limousine-like comfort and commanding road presence into a smart, family-ready package. It pampers occupants with a hushed cabin, premium materials and intuitive tech, while still managing to feel confident and a little indulgent on the daily commute.

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Mercedes GLS

Costs and Consumption
Price
104,000 - 139,100 £
Price
96,100 - 208,500 £
Consumption L/100km
2.2 - 10.6 L/100km
Consumption L/100km
7.8 - 13.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
102 - 118 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
50 - 241 g/km
co2
204 - 310 g/km
Fuel tank capacity
-
Fuel tank capacity
90 L

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
7
Doors
-
Doors
5
Curb weight
2,165 - 2,515 kg
Curb weight
2,550 - 2,825 kg
Trunk capacity
-
Trunk capacity
355 L
Length
-
Length
5,208 - 5,233 mm
Width
1,921 mm
Width
1,956 mm
Height
-
Height
1,782 - 1,838 mm
Max trunk capacity
-
Max trunk capacity
2,400 L
Payload
555 - 660 kg
Payload
445 - 695 kg

Engine and Performance
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Engine Type
Petrol MHEV, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
336 - 585 HP
Power HP
333 - 634 HP
Acceleration 0-100km/h
4 - 5.7 s
Acceleration 0-100km/h
4.2 - 6.7 s
Max Speed
-
Max Speed
238 - 280 km/h
Torque
560 - 750 Nm
Torque
500 - 850 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
247 - 430 kW
Power kW
245 - 466 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2,026
Model Year
2,024 - 2,025
CO2 Efficiency Class
G, B, F
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Mercedes-Benz
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.