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Mercedes B Class vs Mercedes CLA Coupe comparison
Compare performance (238 HP vs 354 HP), boot space and price (33,100 £ vs 39,600 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or Mercedes CLA Coupe?
Mercedes B Class vs Mercedes CLA Coupe: Key differences
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
B Class
Costs and Efficiency:
Looking at overall running costs, both models reveal some interesting differences in everyday economy.
Mercedes B Class is somewhat cheaper – starting at 33,100 £ , while the Mercedes CLA Coupe costs 39,600 £ . That’s a price difference of around 6,507 £.
Fuel consumption also shows a difference: the Mercedes CLA Coupe uses 4.9 L/100km and is barely more efficient than the Mercedes B Class with 5.1 L/100km. The difference is about 0.2 L/100km.
CLA Coupe
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 CLA Coupe offers clearly more power – delivering 354 HP compared to 238 HP. That’s roughly 116 HP more horsepower.
When accelerating from 0 to 100 km/h, the Mercedes CLA Coupe is noticeably quicker – completing the sprint in 4.9 s, while the Mercedes B Class takes 6.5 s. That’s about 1.6 s quicker.
There’s also a difference in torque: the Mercedes CLA Coupe delivers visibly more torque with 515 Nm compared to 400 Nm. That’s about 115 Nm more.
B Class
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 B Class is noticeably lighter – 1,405 kg compared to 1,695 kg. The difference is around 290 kg.
Looking at boot space, the Mercedes B Class offers a bit more boot space – 455 L compared to 405 L. That’s a difference of about 50 L.
When it comes to payload, the Mercedes B Class carries somewhat more – 550 kg compared to 455 kg. That’s a difference of about 95 kg.
Who wins the race in the data check?
The Mercedes CLA Coupe 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 £39,600
Mercedes CLA Coupe
Mercedes B Class
Mercedes CLA Coupe
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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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
Mercedes CLA Coupe
The Mercedes CLA Coupe cuts a rakish silhouette that blends sporty coupe lines with everyday practicality, giving style-minded buyers a premium image without shouting. Inside it feels more luxurious than its size suggests, with a slick cabin, intuitive tech and a composed ride — the kind of car that parties in the city and still shows up polished on Sunday morning.
details
Mercedes B Class
Mercedes CLA Coupe
Costs and Consumption |
|
|---|---|
|
Price
33,100 - 52,500 £
|
Price
39,600 - 59,300 £
|
|
Consumption L/100km
5.1 - 6.9 L/100km
|
Consumption L/100km
4.9 - 5.3 L/100km
|
|
Consumption kWh/100km
-
|
Consumption kWh/100km
12.2 - 12.6 kWh/100km
|
|
Electric Range
-
|
Electric Range
542 - 791 km
|
|
Battery Capacity
-
|
Battery Capacity
-
|
|
co2
133 - 156 g/km
|
co2
0 - 120 g/km
|
|
Fuel tank capacity
-
|
Fuel tank capacity
-
|
Dimensions and Body |
|
|---|---|
|
Body Type
MPV
|
Body Type
Coupe
|
|
Seats
5
|
Seats
5
|
|
Doors
-
|
Doors
-
|
|
Curb weight
1,405 - 1,565 kg
|
Curb weight
1,695 - 2,135 kg
|
|
Trunk capacity
445 - 455 L
|
Trunk capacity
405 L
|
|
Length
-
|
Length
-
|
|
Width
1,796 mm
|
Width
1,855 mm
|
|
Height
-
|
Height
-
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
515 - 550 kg
|
Payload
430 - 455 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Petrol MHEV, Diesel
|
Engine Type
Electric, Petrol MHEV
|
|
Transmission
Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Dual-Clutch Automatic
|
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
|
|
Drive Type
Front-Wheel Drive, All-Wheel Drive
|
Drive Type
Rear-Wheel Drive, All-Wheel Drive, Front-Wheel Drive
|
|
Power HP
116 - 238 HP
|
Power HP
156 - 354 HP
|
|
Acceleration 0-100km/h
6.5 - 10 s
|
Acceleration 0-100km/h
4.9 - 8.8 s
|
|
Max Speed
-
|
Max Speed
-
|
|
Torque
200 - 400 Nm
|
Torque
280 - 515 Nm
|
|
Number of Cylinders
4
|
Number of Cylinders
4
|
|
Power kW
85 - 175 kW
|
Power kW
115 - 260 kW
|
|
Engine capacity
1,332 - 1,991 cm3
|
Engine capacity
1,499 cm3
|
General |
|
|---|---|
|
Model Year
2025
|
Model Year
2,025 - 2,026
|
|
CO2 Efficiency Class
D, E, F
|
CO2 Efficiency Class
A, C, D
|
|
Brand
Mercedes-Benz
|
Brand
Mercedes-Benz
|
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.