The Comparative Analysis :
Mercedes C 300 Convertible 4MATIC 9G-TRONIC (19 - ..) vs. BMW 420d Convertible (15 - 17)
€ 55,800

€ 47,900

€ 55,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 47,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ a little. The Mercedes C 300 Convertible is 1.9 inches longer, 0.6 inches narrower and an inch taller than the BMW 420d Cabrio.
Mercedes C 300 Convertible
BMW 420d Cabrio
55.5
71.3
79.4
54.5
71.9
79.4
71.3 in
Width
71.9 in
79.4 in
Width Incl. Mirrors
79.4 in
55.5 in
Height
54.5 in
111.8
184.5
110.6
182.6
184.5 in
Length
182.6 in
111.8 in
Wheelbase
110.6 in
Vehicle Weight
Mercedes C 300 Convertible
BMW 420d Cabrio
4045 lb
Curb Weight
3913 lb
5071 lb
Gross Vehicle
Weight
Weight
4784 lb

Weight Difference:
132 lb
3.26 %

General
Mercedes C 300 Convertible
BMW 420d Cabrio
A205
Generation
F33
Convertible
Car Body Style
Convertible
Mid-Grade Unleaded
Fuel Type
Diesel

Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive

9-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Mercedes C 300 Convertible
BMW 420d Cabrio
4-cylinder mild hybrid gasoline engine with turbocharger
Engine Type
Straight-four diesel engine with turbocharger
Mercedes-Benz M 274
Engine Series
BMW B47
M 274.920
Engine Code
B47-D20


4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
268 hp
at 5800 rpm
Power
187 hp
at 4000 rpm
Mercedes C 300 Convertible
268 hp
187 hp
BMW 420d Cabrio
273 lb‑ft
at 1800 rpm
Max. Torque
295 lb‑ft
at 1750 rpm
Mercedes C 300 Convertible
273 lb‑ft
295 lb‑ft
BMW 420d Cabrio
Performance
Mercedes C 300 Convertible
BMW 420d Cabrio
155 mph
Maximum Speed
146 mph
6.2 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph
62
mph
mph
282 ft
0.000 sec

Mercedes C 300 Convertible
62 mph
62
mph
mph
371 ft
0.000 sec

BMW 420d Cabrio
▶ REPLAY
15.09 lb/hp
Weight-to-Power Ratio
20.93 lb/hp
Mercedes C 300 Convertible
15.09 lb/hp
20.93 lb/hp
BMW 420d Cabrio
Fuel Economy / Emissions
Mercedes C 300 Convertible
BMW 420d Cabrio
Fuel Economy
35 mpg
combined
49 mpg
Mercedes C 300 Convertible
35 mpg
49 mpg
BMW 420d Cabrio
27 mpg
city
41 mpg
42 mpg
highway
No data
17.4 gal
Fuel Tank Capacity
15.1 gal
603 mi
Range
738 mi
Mercedes C 300 Convertible
603 mi
738 mi
BMW 420d Cabrio
Environmental Impact
128.7 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).
98.8 kWh
Mercedes C 300 Convertible
128.7 kWh
98.8 kWh
BMW 420d Cabrio
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
Emission Standard
Euro 6b (NEFZ)
290 g/mi (WLTP)
CO2 Emissions
204 g/mi (NEFZ)
Practical Convenience
Mercedes C 300 Convertible
BMW 420d Cabrio
2
Doors
2
4
No. of Seats
4
1025 lb
Maximum Payload
871 lb
10.2 cu ft
Trunk Volume
10.5 cu ft









No data
Cargo Volume (Seats Down)
No data