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Mercedes GLB vs smart #1 comparison

Compare performance (354 HP vs 368 HP), boot space and price (43,200 £ vs 40,700 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or smart #1?

Mercedes GLB vs smart #1: Key differences

Mercedes GLB

3.6 (4 Reviews)
rate
  • moderately more efficient
  • clearly more electric range
  • only slightly lighter
  • clearly more trunk space
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smart #1

  • barely cheaper
  • only slightly more power
  • a bit quicker 0–100 km/h
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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.

smart #1 is barely cheaper – starting at 40,700 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 2,492 £.

In terms of energy consumption, the Mercedes GLB is moderately more efficient: consuming 15.4 kWh/100km compared to 18.2 kWh/100km for the smart #1. That’s a difference of about 2.8 kWh/100km.

As for electric range, the Mercedes GLB offers clearly more range – reaching up to 631 km, about 231 km more than the smart #1.

#1

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the smart #1 offers only slightly more power – delivering 368 HP compared to 354 HP. That’s roughly 14 HP more horsepower.

When accelerating from 0 to 100 km/h, the smart #1 is a bit quicker – completing the sprint in 4.9 s, while the Mercedes GLB takes 5.5 s. That’s about 0.6 s quicker.

There’s also a difference in torque: the Mercedes GLB delivers marginally more torque with 515 Nm compared to 470 Nm. That’s about 45 Nm more.

GLB

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes GLB is only slightly lighter – 1,840 kg compared to 1,900 kg. The difference is around 60 kg.

Looking at boot space, the Mercedes GLB offers clearly more boot space – 540 L compared to 313 L. That’s a difference of about 227 L.

When it comes to payload, the Mercedes GLB carries somewhat more – 505 kg compared to 425 kg. That’s a difference of about 80 kg.

Who wins the race in the data check?

The Mercedes GLB is far ahead overall 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 £43,200
GLB

Mercedes GLB

  • Engine Type Electric, Full Hybrid
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 156 - 354 HP
  • Consumption L/100km 5.7 - 6.1 L/100km
  • Consumption kWh/100km 15.4 - 15.9 kWh/100km
  • Electric Range 431 - 631 km
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smart #1

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 compact luxury SUV that blends smart packaging with a polished, composed driving experience. Its flexible interior and premium feel make it a sensible pick for buyers who want Mercedes comfort and practicality in a smaller footprint.

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Reviews Mercedes GLB

3.6 (4 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

smart #1

The Smart #1 feels like a breath of fresh air in the compact EV world, pairing playful styling with usable space and a cabin that punches above its size. It skips the fuss and delivers an easygoing, city-friendly driving experience with clever features that make it a sensible, slightly cheeky choice for everyday motoring.

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Reviews smart #1

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

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Mercedes GLB
smart #1

Costs and Consumption
Price
43,200 - 62,400 £
Price
40,700 £
Consumption L/100km
5.7 - 6.1 L/100km
Consumption L/100km
-
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Consumption kWh/100km
18.2 kWh/100km
Electric Range
431 - 631 km
Electric Range
400 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 138 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,840 - 2,280 kg
Curb weight
1,900 kg
Trunk capacity
540 L
Trunk capacity
313 L
Length
-
Length
-
Width
1,861 mm
Width
1,822 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
485 - 505 kg
Payload
425 kg

Engine and Performance
Engine Type
Electric, Full Hybrid
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
156 - 354 HP
Power HP
368 HP
Acceleration 0-100km/h
5.5 - 9.7 s
Acceleration 0-100km/h
4.9 s
Max Speed
-
Max Speed
-
Torque
280 - 515 Nm
Torque
470 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
115 - 260 kW
Power kW
271 kW
Engine capacity
1,499 cm3
Engine capacity
-

General
Model Year
2026
Model Year
2024
CO2 Efficiency Class
A, D, E
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
smart
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.