The Comparative Analysis :
Mercedes C 300 d Convertible 9G-TRONIC (18 - ..) vs. BMW M3 Convertible SMG (04 - 06)
€ 53,600
€ 67,000
€ 53,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 67,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes C 300 d Convertible is considerably bigger in every dimension. It's 7.6 inches longer, 1.2 inches wider and 1.5 inches taller than the BMW M3 Cabrio.
Mercedes C 300 d Convertible
BMW M3 Cabrio
55.5
71.3
79.4
54
70.1
78
71.3 in
Width
70.1 in
79.4 in
Width Incl. Mirrors
78 in
55.5 in
Height
54 in
111.8
184.5
107.5
176.9
184.5 in
Length
176.9 in
111.8 in
Wheelbase
107.5 in
Vehicle Weight
Mercedes C 300 d Convertible
BMW M3 Cabrio
3825 lb
Curb Weight
3814 lb
4883 lb
Gross Vehicle
Weight
Weight
4630 lb
Weight Difference:
11 lb
0.29 %
General
Mercedes C 300 d Convertible
BMW M3 Cabrio
A205
Generation
E46
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
9-speed automatic transmission
Transmission
6-speed automated manual transmission (AMT)
Engine
Mercedes C 300 d Convertible
BMW M3 Cabrio
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
Straight-six gasoline engine (naturally aspirated engine)
Mercedes-Benz OM 654
Engine Series
BMW S54
OM 654.920
Engine Code
S54-B32
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3.2 L / 157 cu in
242 hp
at 5000 rpm
Power
338 hp
at 7900 rpm
Mercedes C 300 d Convertible
242 hp
338 hp
BMW M3 Cabrio
369 lb‑ft
at 1600 rpm
Max. Torque
269 lb‑ft
at 4900 rpm
Mercedes C 300 d Convertible
369 lb‑ft
269 lb‑ft
BMW M3 Cabrio
Performance
Mercedes C 300 d Convertible
BMW M3 Cabrio
155 mph
Maximum Speed
155 mph
6.3 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph
62
mph
mph
289 ft
0.000 sec
Mercedes C 300 d Convertible
62 mph
62
mph
mph
249 ft
0.000 sec
BMW M3 Cabrio
▶ REPLAY
15.81 lb/hp
Weight-to-Power Ratio
11.28 lb/hp
Mercedes C 300 d Convertible
15.81 lb/hp
11.28 lb/hp
BMW M3 Cabrio
Fuel Economy / Emissions
Mercedes C 300 d Convertible
BMW M3 Cabrio
Fuel Economy
43 mpg
combined
17 mpg
Mercedes C 300 d Convertible
43 mpg
17 mpg
BMW M3 Cabrio
37 mpg
city
11 mpg
48 mpg
highway
No data
13.2 gal
Fuel Tank Capacity
16.6 gal
565 mi
Range
288 mi
Mercedes C 300 d Convertible
565 mi
288 mi
BMW M3 Cabrio
Environmental Impact
113.1 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).
257.7 kWh
Mercedes C 300 d Convertible
113.1 kWh
257.7 kWh
BMW M3 Cabrio
Euro 6d
Emission Standard
Euro 4
259 g/mi (WLTP)
CO2 Emissions
528 g/mi (NEFZ)
Practical Convenience
Mercedes C 300 d Convertible
BMW M3 Cabrio
2
Doors
2
4
No. of Seats
4
1058 lb
Maximum Payload
816 lb
10.2 cu ft
Trunk Volume
8.5 cu ft
No data
Cargo Volume (Seats Down)
No data
