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Mercedes B Class vs Mercedes GLS comparison

Compare performance (238 HP vs 634 HP), boot space and price (33,100 £ vs 96,100 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or Mercedes GLS?

Mercedes B Class vs Mercedes GLS: Key differences

Mercedes B Class

4.9 (5 Reviews)
rate
  • significantly cheaper
  • substantially more efficient
  • significantly lighter
  • markedly more trunk space

Mercedes GLS

  • substantially more power
  • significantly 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

B Class

Costs and Efficiency:

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 96,100 £ . That’s a price difference of around 62,991 £.

Fuel consumption also shows a difference: the Mercedes B Class uses 2.5 L/100km and is substantially more efficient than the Mercedes GLS with 7.8 L/100km. The difference is about 5.3 L/100km.

GLS

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 substantially more power – delivering 634 HP compared to 238 HP. That’s roughly 396 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLS is significantly quicker – completing the sprint in 4.2 s, while the Mercedes B Class takes 6.5 s. That’s about 2.3 s quicker.

Looking at top speed, the Mercedes GLS is clearly faster – reaching 280 km/h, while the Mercedes B Class tops out at 223 km/h. The difference is around 57 km/h.

There’s also a difference in torque: the Mercedes GLS delivers considerably more torque with 850 Nm compared to 450 Nm. That’s about 400 Nm more.

B Class

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 B Class is significantly lighter – 1,405 kg compared to 2,550 kg. The difference is around 1,145 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.

For maximum load capacity, the Mercedes GLS offers markedly more capacity – up to 2,400 L, about 960 L more than the Mercedes B Class.

When it comes to payload, the Mercedes GLS carries noticeably more – 695 kg compared to 550 kg. That’s a difference of about 145 kg.

Who wins the race in the data check?

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.

from £33,100
B Class

Mercedes B Class

  • Engine Type : Plugin Hybrid, Petrol MHEV, Diesel
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 238 HP
  • Consumption L/100km : 2.5 - 6.9 L/100km
  • Electric Range : 83 km
details

Frequently compared as well

Mercedes B Class
Mercedes GLA
VS
The Mercedes B‑Class is the practical, airy people‑carrier that prioritises space and comfort, while the Mercedes GLA takes the same mechanical smarts and adds SUV looks, higher ride height and a touch more road presence. Pick the B‑Class for family‑friendly sense and efficiency, choose the GLA if …
Mercedes A Class
Mercedes B Class
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The Mercedes A‑Class is the sporty, tech‑savvy compact that thrills with sharp handling and a slick cockpit, while the Mercedes B‑Class trades a bit of attitude for towering practicality, roomier seats and a more useful boot. Choose the A‑Class if you want driving fun and style; pick the B‑Class if …
Mercedes B Class
Mercedes GLS

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes B Class

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.

details
18C0947_011
18C0947_009
18C0953_005
18C0953_035
18C0947_044

Reviews Mercedes B Class

4.9 (5 Reviews)
rate
Peter
5 Mar 2026, 05:51:19

My wife and I have been driving a Mercedes W247 200d for seven years now, with 93,000 km on the clock. The car is very comfortable even on long trips and economical. At the last service the pads of the electric parking brake were replaced; otherwise no repairs. We love this car.

How do you mainly use this car? (optional): Family car
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.

details
19C0481_004
19C0481_007
19C0483_036
19C0480_047
18C1072_111

Reviews Mercedes GLS

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

Frequently compared as well

Mercedes B Class
VW T-Roc
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In the battle of compact versatility, the Mercedes B-Klasse stands out with its premium interior and advanced technology features, appealing to those seeking comfort and sophistication. On the other hand, the VW T-Roc offers a sporty design and agile handling, making it a fun choice for those who …
Mercedes B Class
Mercedes C Class Sedan
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The Mercedes B-Klasse and C-Klasse Limousine are distinct in their appeal, catering to different automotive preferences. The B-Klasse offers a spacious interior and versatility ideal for family-oriented buyers, while the C-Klasse Limousine crafts a more luxurious experience with its sleek design …
BMW 2 Series Active Tourer
Mercedes B Class
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Audi Q3
Mercedes B Class
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In the competitive landscape of compact luxury vehicles, the Audi Q3 stands out with its dynamic design and sporty performance, appealing to drivers seeking a spirited driving experience. On the other hand, the Mercedes B-Klasse offers a more practical approach, prioritizing spacious interiors and …
Mercedes GLS
Toyota Land Cruiser
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Honda Jazz
Mercedes B Class
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Mercedes GLS
Volvo XC90
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Mercedes B Class
Mercedes GLB
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When pitting the Mercedes B-Class against the Mercedes GLB, one quickly notices the distinct personalities of these two models. The B-Class offers a compact, agile experience perfect for urban environments, while the GLB combines that agility with a more spacious, SUV-like presence, making it ideal …
Mercedes B Class
Mercedes GLS

Costs and Consumption
Price
33,100 - 52,500 £
Price
96,100 - 208,500 £
Consumption L/100km
2.5 - 6.9 L/100km
Consumption L/100km
7.8 - 13.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
83 km
Electric Range
-
Battery Capacity
12.9 kWh
Battery Capacity
-
co2
56 - 156 g/km
co2
204 - 310 g/km
Fuel tank capacity
35 L
Fuel tank capacity
90 L

Dimensions and Body
Body Type
MPV
Body Type
SUV
Seats
5
Seats
7
Doors
5
Doors
5
Curb weight
1,405 - 1,745 kg
Curb weight
2,550 - 2,825 kg
Trunk capacity
405 - 455 L
Trunk capacity
355 L
Length
4,419 mm
Length
5,208 - 5,233 mm
Width
1,796 mm
Width
1,956 mm
Height
1,562 mm
Height
1,782 - 1,838 mm
Max trunk capacity
1,440 L
Max trunk capacity
2,400 L
Payload
505 - 550 kg
Payload
445 - 695 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
Engine Type
Petrol MHEV, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
116 - 238 HP
Power HP
333 - 634 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
4.2 - 6.7 s
Max Speed
223 km/h
Max Speed
238 - 280 km/h
Torque
200 - 450 Nm
Torque
500 - 850 Nm
Number of Cylinders
4
Number of Cylinders
6 - 8
Power kW
85 - 175 kW
Power kW
245 - 466 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2,024 - 2,025
Model Year
2,024 - 2,025
CO2 Efficiency Class
B, D, E, F
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Mercedes-Benz
What drivetrain options does the Mercedes B Class have?

Available configurations include Front-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.