The Comparative Analysis :
BMW M3 Cabrio M DKG (08 - 13) vs. Mercedes C 300 Cabriolet 9G-TRONIC (18 - 19)
€ 79,100

€ 52,600

€ 79,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 52,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW M3 Cabrio is a little smaller in every dimension. It's 7.1 cm shorter, 0.6 cm narrower and 1.7 cm lower than the Mercedes C 300 Cabriolet.
BMW M3 Cabrio
Mercedes C 300 Cabriolet
1392
1804
1976
1409
1810
2016
1804 mm
Width
1810 mm
1976 mm
Width Incl. Mirrors
2016 mm
1392 mm
Height
1409 mm
2761
4615
2840
4686
4615 mm
Length
4686 mm
2761 mm
Wheelbase
2840 mm
Vehicle Weight
BMW M3 Cabrio
Mercedes C 300 Cabriolet
1905 kg
Kerb Weight
1735 kg
2280 kg
Gross Vehicle
Weight
Weight
2200 kg

Weight Difference:
170 kg
8.92 %

General
BMW M3 Cabrio
Mercedes C 300 Cabriolet
E93
Generation
A205
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Unleaded (95 RON)

Rear-wheel drive
Drive
Rear-wheel drive

7-speed dual clutch transmission
Transmission
9-speed automatic transmission
Engine
BMW M3 Cabrio
Mercedes C 300 Cabriolet
V8 petrol engine (naturally aspirated engine)
Engine Type
Straight-four petrol engine with turbocharger
BMW S65
Engine Series
Mercedes-Benz M 264
S65-B40
Engine Code
M 264.920

4
Valves
4
8
Cylinders
4
3999 CC
Engine Capacity
1991 CC
414 bhp
at 8300 rpm
Power
254 bhp
at 5800 rpm
BMW M3 Cabrio
414 bhp
254 bhp
Mercedes C 300 Cabriolet
400 NM
at 3900 rpm
Max. Torque
370 NM
at 1800 rpm
BMW M3 Cabrio
400 NM
370 NM
Mercedes C 300 Cabriolet
Performance
BMW M3 Cabrio
Mercedes C 300 Cabriolet
155 mph
Maximum Speed
155 mph
5.1 sec
Acceleration 0 to 62 mph
6.2 sec
62 mph
62
mph
mph
71 m
0.000 sec

BMW M3 Cabrio
62 mph
62
mph
mph
86 m
0.000 sec

Mercedes C 300 Cabriolet
▶ REPLAY
4.6 kg/bhp
Weight-to-Power Ratio
6.83 kg/bhp
BMW M3 Cabrio
4.6 kg/bhp
6.83 kg/bhp
Mercedes C 300 Cabriolet
Fuel Economy / Emissions
BMW M3 Cabrio
Mercedes C 300 Cabriolet
Fuel Economy
23 mpg
combined
41 mpg
BMW M3 Cabrio
23 mpg
41 mpg
Mercedes C 300 Cabriolet
16 mpg
city
30 mpg
No data
motorway
51 mpg
63 L
Fuel Tank Capacity
66 L
318 mi
Range
595 mi
BMW M3 Cabrio
318 mi
595 mi
Mercedes C 300 Cabriolet
Environmental Impact
233 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
130.7 kWh
BMW M3 Cabrio
233 kWh
130.7 kWh
Mercedes C 300 Cabriolet
Euro 4
Emission Standard
Euro 6d-TEMP
293 g/km (NEFZ)
CO2 Emissions
174 g/km (WLTP)
Practical Convenience
BMW M3 Cabrio
Mercedes C 300 Cabriolet
2
Doors
2
4
No. of Seats
4
375 kg
Maximum Payload
465 kg
350 L
Boot Capacity
360 L








No data
Boot Capacity (Seats Down)
No data