The Comparative Analysis :
BMW M3 Convertible (08 - 13) vs. Mercedes C 180 Convertible (16 - 18)
€ 75,300
€ 42,700
€ 75,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 42,700
ⓘ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 2.8 inches shorter, 0.2 inches narrower and 0.7 inches lower than the Mercedes C 180 Convertible.
BMW M3 Cabrio
Mercedes C 180 Convertible
54.8
71
77.8
55.5
71.3
79.4
71 in
Width
71.3 in
77.8 in
Width Incl. Mirrors
79.4 in
54.8 in
Height
55.5 in
108.7
181.7
111.8
184.5
181.7 in
Length
184.5 in
108.7 in
Wheelbase
111.8 in
Vehicle Weight
BMW M3 Cabrio
Mercedes C 180 Convertible
4156 lb
Curb Weight
3527 lb
5027 lb
Gross Vehicle
Weight
Weight
4586 lb
Weight Difference:
628 lb
15.11 %
General
BMW M3 Cabrio
Mercedes C 180 Convertible
E93
Generation
A205
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
6-speed manual transmission
Engine
BMW M3 Cabrio
Mercedes C 180 Convertible
V8 gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine with turbocharger
BMW S65
Engine Series
Mercedes-Benz M 274
S65-B40
Engine Code
M 274.910

4
Valves
4
8
Cylinders
4
4 L / 196 cu in
Displacement
1.6 L / 78 cu in
414 hp
at 8300 rpm
Power
154 hp
at 5300 rpm
BMW M3 Cabrio
414 hp
154 hp
Mercedes C 180 Convertible
295 lb‑ft
at 3900 rpm
Max. Torque
184 lb‑ft
at 1200 rpm
BMW M3 Cabrio
295 lb‑ft
184 lb‑ft
Mercedes C 180 Convertible
Performance
BMW M3 Cabrio
Mercedes C 180 Convertible
155 mph
Maximum Speed
138 mph
5.3 sec
Acceleration 0 to 62 mph
8.9 sec
62 mph
62
mph
mph
243 ft
0.000 sec
BMW M3 Cabrio
62 mph
62
mph
mph
407 ft
0.000 sec
Mercedes C 180 Convertible
▶ REPLAY
10.04 lb/hp
Weight-to-Power Ratio
22.9 lb/hp
BMW M3 Cabrio
10.04 lb/hp
22.9 lb/hp
Mercedes C 180 Convertible
Fuel Economy / Emissions
BMW M3 Cabrio
Mercedes C 180 Convertible
Fuel Economy
18 mpg
combined
39 mpg
BMW M3 Cabrio
18 mpg
39 mpg
Mercedes C 180 Convertible
13 mpg
city
31 mpg
No data
highway
46 mpg
16.6 gal
Fuel Tank Capacity
10.8 gal
303 mi
Range
424 mi
BMW M3 Cabrio
303 mi
424 mi
Mercedes C 180 Convertible
Environmental Impact
244.5 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).
113.6 kWh
BMW M3 Cabrio
244.5 kWh
113.6 kWh
Mercedes C 180 Convertible
Euro 4
Emission Standard
Euro 6b (NEFZ)
497 g/mi (NEFZ)
CO2 Emissions
217 g/mi (NEFZ)
Practical Convenience
BMW M3 Cabrio
Mercedes C 180 Convertible
2
Doors
2
4
No. of Seats
4
871 lb
Maximum Payload
1058 lb
9.9 cu ft
Trunk Volume
10.2 cu ft








No data
Cargo Volume (Seats Down)
No data



















