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Mercedes C Class Sedan vs smart #5 comparison

Compare performance (680 HP vs 646 HP), boot space and price (41,300 £ vs 39,300 £ ) at a glance. Find out which car is the better choice for you – Mercedes C Class Sedan or smart #5?

Mercedes C Class Sedan vs smart #5: Key differences

Mercedes C Class Sedan

  • marginally more power
  • a bit quicker 0–100 km/h
  • visibly lighter
details

smart #5

4.9 (5 Reviews)
rate
  • barely cheaper
  • significantly more electric range
  • markedly 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

C Class Sedan

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

smart #5 is barely cheaper – starting at 39,300 £ , while the Mercedes C Class Sedan costs 41,300 £ . That’s a price difference of around 1,983 £.

As for electric range, the smart #5 offers significantly more range – reaching up to 590 km, about 579 km more than the Mercedes C Class Sedan.

#5

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 C Class Sedan offers marginally more power – delivering 680 HP compared to 646 HP. That’s roughly 34 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes C Class Sedan is a bit quicker – completing the sprint in 3.4 s, while the smart #5 takes 3.8 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the Mercedes C Class Sedan delivers noticeably more torque with 1,020 Nm compared to 710 Nm. That’s about 310 Nm more.

C Class Sedan

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 C Class Sedan is visibly lighter – 1,695 kg compared to 2,200 kg. The difference is around 505 kg.

Looking at boot space, the smart #5 offers markedly more boot space – 630 L compared to 455 L. That’s a difference of about 175 L.

When it comes to payload, the Mercedes C Class Sedan carries a bit more – 570 kg compared to 502 kg. That’s a difference of about 68 kg.

Who wins the race in the data check?

The smart #5 holds a decisive overall lead 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 £39,300
#5

smart #5

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 340 - 646 HP
  • Consumption kWh/100km : 18.4 - 19.9 kWh/100km
  • Electric Range : 465 - 590 km
Mercedes C Class Sedan
smart #5

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Mercedes C Class Sedan

The Mercedes C‑Class is the compact executive that dresses like it owns the boulevard, with an interior that blends modern elegance and plush comfort to make everyday driving feel unexpectedly special. On the road it pairs poise with a hint of cheeky agility, rewarding drivers who want refinement without forfeiting a touch of fun — and yes, it still looks great in the driveway.

details

smart #5

The Smart #5 continues to build on the brand's legacy of compact and efficient urban vehicles, now infused with a more modern and stylish design. Its sleek appearance is complemented by a spacious interior, offering comfort without compromising its compact nature. This model is ideal for city dwellers seeking a blend of innovation, practicality, and style in their daily drives.

details
Mercedes C Class Sedan
smart #5

Costs and Consumption

Price
41,300 - 103,400 £
Price
39,300 - 52,200 £
Consumption L/100km
4.5 - 9 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
18.4 - 19.9 kWh/100km
Electric Range
11 km
Electric Range
465 - 590 km
Battery Capacity
-
Battery Capacity
74.4 - 94 kWh
co2
119 - 205 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
1,695 - 2,165 kg
Curb weight
2,200 - 2,378 kg
Trunk capacity
455 L
Trunk capacity
630 L
Length
-
Length
4,695 mm
Width
1,820 - 1,900 mm
Width
1,920 mm
Height
-
Height
1,705 mm
Max trunk capacity
-
Max trunk capacity
1,530 L
Payload
485 - 570 kg
Payload
475 - 502 kg

Engine and Performance

Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
183 - 680 HP
Power HP
340 - 646 HP
Acceleration 0-100km/h
3.4 - 8.6 s
Acceleration 0-100km/h
3.8 - 6.9 s
Max Speed
-
Max Speed
200 - 210 km/h
Torque
250 - 1,020 Nm
Torque
373 - 710 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
135 - 500 kW
Power kW
250 - 475 kW
Engine capacity
1,496 - 1,999 cm3
Engine capacity
-

General

Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
E, D, G
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
smart
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.