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Mercedes GLB vs Mercedes GLS comparison

Compare performance (354 HP vs 634 HP), boot space and price (50,600 £ vs 96,100 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Mercedes GLS?

Mercedes GLB vs Mercedes GLS: Key differences

Mercedes GLB

3.2 (3 Reviews)
rate
  • substantially cheaper
  • somewhat lighter
  • markedly more trunk space

Mercedes GLS

  • clearly more power
  • markedly quicker 0–100 km/h

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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

GLB

Costs and Efficiency:

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

Mercedes GLB is substantially cheaper – starting at 50,600 £ , while the Mercedes GLS costs 96,100 £ . That’s a price difference of around 45,508 £.

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 clearly more power – delivering 634 HP compared to 354 HP. That’s roughly 280 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLS is markedly quicker – completing the sprint in 4.2 s, while the Mercedes GLB takes 5.5 s. That’s about 1.3 s quicker.

There’s also a difference in torque: the Mercedes GLS delivers clearly more torque with 850 Nm compared to 515 Nm. That’s about 335 Nm more.

GLB

Space and Everyday Use:

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

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

In terms of curb weight, Mercedes GLB is somewhat lighter – 2,200 kg compared to 2,550 kg. The difference is around 350 kg.

Looking at boot space, the Mercedes GLB offers markedly more boot space – 540 L compared to 355 L. That’s a difference of about 185 L.

When it comes to payload, the Mercedes GLS carries visibly more – 695 kg compared to 500 kg. That’s a difference of about 195 kg.

Who wins the race in the data check?

The Mercedes GLB has the upper hand 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 £50,600
GLB

Mercedes GLB

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 272 - 354 HP
  • Consumption kWh/100km : 15.8 - 15.9 kWh/100km
  • Electric Range : 614 - 631 km
details

Frequently compared as well

Mercedes EQB
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Mercedes GLB
Mercedes GLS

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes GLB

The Mercedes GLB is a practical compact SUV that mixes boxy, family-friendly space with premium German polish, making it an appealing choice for buyers who want usefulness without pretension. It drives with a confident, composed feel and somehow manages to look both rugged and refined — the grown-up SUV that still likes to have fun.

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Reviews Mercedes GLB

3.2 (3 Reviews)
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Hans
19 Feb 2026, 02:39:00

Great car — very satisfied with the GLB 250 4MATIC.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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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Reviews Mercedes GLS

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

Frequently compared as well

Mercedes GLB
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In the competitive compact luxury SUV segment, the Mercedes GLB stands out with its versatile seating layout and a seamless blend of style and functionality. Meanwhile, the Volvo XC60 impresses with its emphasis on safety and Scandinavian design aesthetics, offering a serene and high-tech driving …
Mercedes GLB
Mercedes GLS

Costs and Consumption
Price
50,600 - 62,400 £
Price
96,100 - 208,500 £
Consumption L/100km
-
Consumption L/100km
7.8 - 13.7 L/100km
Consumption kWh/100km
15.8 - 15.9 kWh/100km
Consumption kWh/100km
-
Electric Range
614 - 631 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
204 - 310 g/km
Fuel tank capacity
-
Fuel tank capacity
90 L

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
7
Doors
-
Doors
5
Curb weight
2,200 - 2,280 kg
Curb weight
2,550 - 2,825 kg
Trunk capacity
540 L
Trunk capacity
355 L
Length
-
Length
5,208 - 5,233 mm
Width
1,861 mm
Width
1,956 mm
Height
-
Height
1,782 - 1,838 mm
Max trunk capacity
-
Max trunk capacity
2,400 L
Payload
500 kg
Payload
445 - 695 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
272 - 354 HP
Power HP
333 - 634 HP
Acceleration 0-100km/h
5.5 - 7.4 s
Acceleration 0-100km/h
4.2 - 6.7 s
Max Speed
-
Max Speed
238 - 280 km/h
Torque
335 - 515 Nm
Torque
500 - 850 Nm
Number of Cylinders
-
Number of Cylinders
6 - 8
Power kW
200 - 260 kW
Power kW
245 - 466 kW
Engine capacity
-
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2,026
Model Year
2,024 - 2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Mercedes-Benz
What drive types are available for the Mercedes GLB?

Available configurations include Rear-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.