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Mercedes GLS vs Mercedes S Class comparison

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

Mercedes GLS vs Mercedes S Class: Key differences

Mercedes GLS

  • barely cheaper
  • marginally more power

Mercedes S Class

  • considerably more efficient
  • very slightly quicker 0–100 km/h
  • somewhat lighter

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

GLS

Costs and Efficiency:

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

Mercedes GLS is barely 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 considerably more efficient than the Mercedes GLS with 7.8 L/100km. The difference is about 5.6 L/100km.

S Class

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 Mercedes GLS offers marginally 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 very slightly 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 a bit more torque with 850 Nm compared to 750 Nm. That’s about 100 Nm more.

GLS

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.

Seats: Mercedes GLS offers more seats – 7 vs 5.

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

When it comes to payload, the Mercedes GLS carries very slightly 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 holds a decisive overall lead 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

Dimensions and Body
View detailed analysis

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 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 S Class

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

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

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

General
Model Year
2,024 - 2,025
Model Year
2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
G, B, F
Brand
Mercedes-Benz
Brand
Mercedes-Benz
Is the Mercedes GLS offered with different drivetrains?

The Mercedes GLS is available as 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.