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Mercedes GLB vs Tesla Model S comparison

Compare performance (354 HP vs 1,020 HP), boot space and price (43,200 £ vs 94,300 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Tesla Model S?

Mercedes GLB vs Tesla Model S: Key differences

Mercedes GLB

3.6 (4 Reviews)
rate
  • considerably cheaper
  • only slightly more efficient
  • somewhat lighter
details

Tesla Model S

4.7 (1 Reviews)
rate
  • clearly more power
  • somewhat more electric range
  • significantly quicker 0–100 km/h
  • visibly more trunk space
details

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

By Achim Sedelmaier

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 considerably cheaper – starting at 43,200 £ , while the Tesla Model S costs 94,300 £ . That’s a price difference of around 51,080 £.

In terms of energy consumption, the Mercedes GLB is only slightly more efficient: consuming 15.4 kWh/100km compared to 16.8 kWh/100km for the Tesla Model S. That’s a difference of about 1.4 kWh/100km.

As for electric range, the Tesla Model S offers somewhat more range – reaching up to 744 km, about 113 km more than the Mercedes GLB.

Model S

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 Tesla Model S offers clearly more power – delivering 1,020 HP compared to 354 HP. That’s roughly 666 HP more horsepower.

When accelerating from 0 to 100 km/h, the Tesla Model S is significantly quicker – completing the sprint in 2.1 s, while the Mercedes GLB takes 5.5 s. That’s about 3.4 s quicker.

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 somewhat lighter – 1,840 kg compared to 2,092 kg. The difference is around 252 kg.

Looking at boot space, the Tesla Model S offers visibly more boot space – 799 L compared to 540 L. That’s a difference of about 259 L.

When it comes to payload, the Mercedes GLB carries slightly more – 505 kg compared to 442 kg. That’s a difference of about 63 kg.

Who wins the race in the data check?

The Tesla Model S is clearly superior 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 £94,300
Model S

Tesla Model S

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 670 - 1,020 HP
  • Consumption kWh/100km : 16.8 - 18 kWh/100km
  • Electric Range : 611 - 744 km
Mercedes GLB
Tesla Model S

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.

details

Tesla Model S

The Tesla Model S glides like a luxury sedan from the future, delivering instant shove and serene highway composure that make it feel equally at home on a rush-hour commute or a long-distance cruise. Inside, its minimalist cabin and gadget-forward interface turn every drive into a tech demo, making it as much a statement piece as a practical choice — and one that still manages to feel a little bit magical.

details
Mercedes GLB
Tesla Model S

Costs and Consumption

Price
43,200 - 62,400 £
Price
94,300 - 102,800 £
Consumption L/100km
5.7 - 6.1 L/100km
Consumption L/100km
-
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Consumption kWh/100km
16.8 - 18 kWh/100km
Electric Range
431 - 631 km
Electric Range
611 - 744 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
Hatchback
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
1,840 - 2,280 kg
Curb weight
2,092 - 2,197 kg
Trunk capacity
540 L
Trunk capacity
799 L
Length
-
Length
5,021 mm
Width
1,861 mm
Width
1,987 mm
Height
-
Height
1,431 mm
Max trunk capacity
-
Max trunk capacity
1,828 L
Payload
485 - 505 kg
Payload
432 - 442 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
670 - 1,020 HP
Acceleration 0-100km/h
5.5 - 9.7 s
Acceleration 0-100km/h
2.1 - 3.2 s
Max Speed
-
Max Speed
240 - 322 km/h
Torque
280 - 515 Nm
Torque
-
Number of Cylinders
4
Number of Cylinders
-
Power kW
115 - 260 kW
Power kW
493 - 750 kW
Engine capacity
1,499 cm3
Engine capacity
-

General

Model Year
2026
Model Year
2025
CO2 Efficiency Class
A, D, E
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Tesla
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.