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MG MG3 vs Mercedes C Class Sedan comparison

Compare performance (194 HP vs 680 HP), boot space and price (15,400 £ vs 41,300 £ ) at a glance. Find out which car is the better choice for you – MG MG3 or Mercedes C Class Sedan?

MG MG3 vs Mercedes C Class Sedan: Key differences

MG MG3

5 (1 Reviews)
rate
  • clearly cheaper
  • visibly lighter

Mercedes C Class Sedan

  • substantially more power
  • substantially more efficient
  • substantially 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

MG3

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

MG MG3 is clearly cheaper – starting at 15,400 £ , while the Mercedes C Class Sedan costs 41,300 £ . That’s a price difference of around 25,905 £.

Fuel consumption also shows a difference: the Mercedes C Class Sedan uses 1.6 L/100km and is substantially more efficient than the MG MG3 with 4.4 L/100km. The difference is about 2.8 L/100km.

C Class Sedan

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 Mercedes C Class Sedan offers substantially more power – delivering 680 HP compared to 194 HP. That’s roughly 486 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes C Class Sedan is substantially quicker – completing the sprint in 3.4 s, while the MG MG3 takes 8 s. That’s about 4.6 s quicker.

There’s also a difference in torque: the Mercedes C Class Sedan delivers significantly more torque with 1,020 Nm compared to 148 Nm. That’s about 872 Nm more.

MG3

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, MG MG3 is visibly lighter – 1,237 kg compared to 1,695 kg. The difference is around 458 kg.

When it comes to payload, the Mercedes C Class Sedan carries noticeably more – 570 kg compared to 448 kg. That’s a difference of about 122 kg.

Who wins the race in the data check?

The Mercedes C Class Sedan 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 £41,300
C Class Sedan

Mercedes C Class Sedan

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 183 - 680 HP
  • Consumption L/100km : 1.6 - 9 L/100km
  • Electric Range : 11 - 117 km
details

Frequently compared as well

MG MG3
MG ZS
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In the automotive showdown between the MG MG3 and MG ZS, drivers are treated to a compelling choice between practicality and versatility. The MG3 distinguishes itself with its nimble handling and budget-friendly pricing, making it an excellent option for city dwellers. Meanwhile, the MG ZS …
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If you're after cheap thrills and nimble city driving, the MG3 is the plucky choice — inexpensive, quirky and perfect for tight car parks. But for real-world practicality, range and a more modern feel, the MG4's stylish hatch and EV tech make it the smarter buy for daily drivers who want a bit of …
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Mercedes C Class Sedan

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

MG MG3

The MG3 is a cheeky city hatch that pairs bold, youthful styling with sprightly handling for drivers who want personality on a budget. Its cabin is bright and cleverly packaged, offering sensible space and a fun-to-drive character that turns mundane commutes into something a bit more enjoyable.

details
KV-1-1
Left-Back-30°-1
Front-Row-Space-1
Trunk-3

Reviews MG MG3

5 (1 Reviews)
rate
Giorgio catacchio
20 Sept 2025, 00:08:28

I've owned the MG3 Hybrid for a year — I travel a lot, never a dull moment; comes fully loaded as standard, incredible acceleration, etc.

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.

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21C0295_012
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Reviews Mercedes C Class Sedan

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

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Mercedes C Class Sedan

Costs and Consumption
Price
15,400 - 21,400 £
Price
41,300 - 103,400 £
Consumption L/100km
4.4 - 6.1 L/100km
Consumption L/100km
1.6 - 9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
11 - 117 km
Battery Capacity
-
Battery Capacity
19.5 kWh
co2
100 - 137 g/km
co2
41 - 205 g/km
Fuel tank capacity
-
Fuel tank capacity
50 L

Dimensions and Body
Body Type
Hatchback
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
4
Curb weight
1,237 - 1,285 kg
Curb weight
1,695 - 2,195 kg
Trunk capacity
-
Trunk capacity
315 - 455 L
Length
-
Length
4,751 mm
Width
1,797 mm
Width
1,820 - 1,900 mm
Height
-
Height
1,438 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
373 - 448 kg
Payload
480 - 570 kg

Engine and Performance
Engine Type
Petrol, Full Hybrid
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
116 - 194 HP
Power HP
183 - 680 HP
Acceleration 0-100km/h
8 - 10.8 s
Acceleration 0-100km/h
3.4 - 8.6 s
Max Speed
-
Max Speed
235 - 250 km/h
Torque
148 Nm
Torque
250 - 1,020 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
85 - 143 kW
Power kW
135 - 500 kW
Engine capacity
1,490 - 1,495 cm3
Engine capacity
1,496 - 1,999 cm3

General
Model Year
2,025
Model Year
2,024 - 2,025
CO2 Efficiency Class
E, C
CO2 Efficiency Class
E, B, D, G
Brand
MG
Brand
Mercedes-Benz
What drive types are available for the MG MG3?

The MG MG3 is available as Front-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.