Compare performance (238 HP vs 404 HP), boot space and price (33,100 £ vs 92,700 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or Mercedes GLS?
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.
Mercedes B Class is significantly cheaper – starting at 33,100 £ , while the Mercedes GLS costs 92,700 £ . That’s a price difference of around 59,533 £.
Fuel consumption also shows a difference: the Mercedes B Class uses 5.1 L/100km and is substantially more efficient than the Mercedes GLS with 7.9 L/100km. The difference is about 2.8 L/100km.
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 substantially more power – delivering 404 HP compared to 238 HP. That’s roughly 166 HP more horsepower.
When accelerating from 0 to 100 km/h, the Mercedes GLS is a bit quicker – completing the sprint in 5.6 s, while the Mercedes B Class takes 6.5 s. That’s about 0.9 s quicker.
There’s also a difference in torque: the Mercedes GLS delivers considerably more torque with 750 Nm compared to 400 Nm. That’s about 350 Nm more.
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 B Class is significantly lighter – 1,405 kg compared to 2,580 kg. The difference is around 1,175 kg.
Looking at boot space, the Mercedes B Class offers markedly more boot space – 455 L compared to 355 L. That’s a difference of about 100 L.
When it comes to payload, the Mercedes GLS carries noticeably more – 820 kg compared to 550 kg. That’s a difference of about 270 kg.
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.
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.
detailsThe 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.
detailsCosts and Consumption |
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|---|---|
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Price
33,100 - 52,500 £
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Price
92,700 - 104,600 £
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Consumption L/100km
5.1 - 6.9 L/100km
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Consumption L/100km
7.9 - 9.9 L/100km
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Consumption kWh/100km
-
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Consumption kWh/100km
-
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Electric Range
-
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Electric Range
-
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Battery Capacity
-
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Battery Capacity
-
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co2
133 - 156 g/km
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co2
206 - 226 g/km
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Fuel tank capacity
-
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Fuel tank capacity
-
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Dimensions and Body |
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|---|---|
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Body Type
MPV
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Body Type
SUV
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Seats
5
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Seats
7
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Doors
-
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Doors
-
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Curb weight
1,405 - 1,565 kg
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Curb weight
2,580 - 2,670 kg
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Trunk capacity
445 - 455 L
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Trunk capacity
355 L
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Length
-
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Length
-
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Width
1,796 mm
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Width
1,956 mm
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Height
-
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Height
-
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Max trunk capacity
-
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Max trunk capacity
-
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Payload
515 - 550 kg
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Payload
810 - 820 kg
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Engine and Performance |
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|---|---|
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Engine Type
Petrol MHEV, Diesel
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Engine Type
Petrol MHEV, Diesel MHEV
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Transmission
Automatic
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Transmission
Automatic
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Transmission Detail
Dual-Clutch Automatic
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Transmission Detail
Automatic Gearbox
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Drive Type
Front-Wheel Drive, All-Wheel Drive
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Drive Type
All-Wheel Drive
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Power HP
116 - 238 HP
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Power HP
336 - 404 HP
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Acceleration 0-100km/h
6.5 - 10 s
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Acceleration 0-100km/h
5.6 - 6.2 s
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Max Speed
-
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Max Speed
-
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Torque
200 - 400 Nm
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Torque
560 - 750 Nm
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Number of Cylinders
4
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Number of Cylinders
6
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Power kW
85 - 175 kW
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Power kW
247 - 297 kW
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Engine capacity
1,332 - 1,991 cm3
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Engine capacity
2,989 - 2,999 cm3
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General |
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|---|---|
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Model Year
2025
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Model Year
2026
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CO2 Efficiency Class
D, E, F
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CO2 Efficiency Class
G
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Brand
Mercedes-Benz
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Brand
Mercedes-Benz
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