The Comparative Analysis :
Mercedes C 400 Convertible 4MATIC 9G-TRONIC (16 - 18) vs. BMW M3 Convertible M DKG (08 - 13)
€ 60,300

€ 79,100

€ 60,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 79,100
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes C 400 Convertible is a little bigger in every dimension. It's 2.8 inches longer, 0.2 inches wider and 0.7 inches taller than the BMW M3 Cabrio.
Mercedes C 400 Convertible
BMW M3 Cabrio
55.5
71.3
79.4
54.8
71
77.8
71.3 in
Width
71 in
79.4 in
Width Incl. Mirrors
77.8 in
55.5 in
Height
54.8 in
111.8
184.5
108.7
181.7
184.5 in
Length
181.7 in
111.8 in
Wheelbase
108.7 in
Vehicle Weight
Mercedes C 400 Convertible
BMW M3 Cabrio
3979 lb
Curb Weight
4200 lb
5038 lb
Gross Vehicle
Weight
Weight
5027 lb

Weight Difference:
220 lb
5.24 %

General
Mercedes C 400 Convertible
BMW M3 Cabrio
A205
Generation
E93
Convertible
Car Body Style
Convertible
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

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

9-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes C 400 Convertible
BMW M3 Cabrio
V6 gasoline engine with two turbochargers (biturbo)
Engine Type
V8 gasoline engine (naturally aspirated engine)
Mercedes-Benz M 276
Engine Series
BMW S65
M 276.823
Engine Code
S65-B40

4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4 L / 196 cu in
328 hp
at 5250 rpm
Power
414 hp
at 8300 rpm
Mercedes C 400 Convertible
328 hp
414 hp
BMW M3 Cabrio
354 lb‑ft
at 1600 rpm
Max. Torque
295 lb‑ft
at 3900 rpm
Mercedes C 400 Convertible
354 lb‑ft
295 lb‑ft
BMW M3 Cabrio
Performance
Mercedes C 400 Convertible
BMW M3 Cabrio
155 mph
Maximum Speed
155 mph
5.2 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph
62
mph
mph
236 ft
0.000 sec

Mercedes C 400 Convertible
62 mph
62
mph
mph
233 ft
0.000 sec

BMW M3 Cabrio
▶ REPLAY
12.13 lb/hp
Weight-to-Power Ratio
10.14 lb/hp
Mercedes C 400 Convertible
12.13 lb/hp
10.14 lb/hp
BMW M3 Cabrio
Fuel Economy / Emissions
Mercedes C 400 Convertible
BMW M3 Cabrio
Fuel Economy
29 mpg
combined
19 mpg
Mercedes C 400 Convertible
29 mpg
19 mpg
BMW M3 Cabrio
22 mpg
city
14 mpg
37 mpg
highway
No data
17.4 gal
Fuel Tank Capacity
16.6 gal
513 mi
Range
318 mi
Mercedes C 400 Convertible
513 mi
318 mi
BMW M3 Cabrio
Environmental Impact
151.6 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).
233 kWh
Mercedes C 400 Convertible
151.6 kWh
233 kWh
BMW M3 Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 4
291 g/mi (NEFZ)
CO2 Emissions
472 g/mi (NEFZ)
Practical Convenience
Mercedes C 400 Convertible
BMW M3 Cabrio
2
Doors
2
4
No. of Seats
4
1058 lb
Maximum Payload
827 lb
10.2 cu ft
Trunk Volume
9.9 cu ft








No data
Cargo Volume (Seats Down)
No data