Mercedes C class is more dynamic to drive. Mercedes C class engine produces 28 HP more power than BMW 3 series, whereas torque is 60 NM more than BMW 3 series. Thanks to more power Mercedes C class reaches 100 km/h speed 0.9 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
6.1
5.6
Real fuel consumption:
6.9 l/100km
6.3 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification Mercedes C class consumes 0.5 litres more fuel per 100 km than the BMW 3 series, which means that if you drive 15,000 km in a year, the Mercedes C class could require 75 litres more fuel. By comparing actual fuel consumption based on user reports, Mercedes C class consumes 0.6 litres more fuel per 100 km than the BMW 3 series.
Fuel tank capacity:
62 litres
61 litres
Full fuel tank distance:
1010 km in combined cycle
1080 km in combined cycle
1310 km on highway
1380 km on highway
890 km with real consumption
960 km with real consumption
BMW 3 series gets more mileage on one fuel tank.
Engines
Engine production duration:
8 years
9 years
Engine spread:
Installed on at least 2 other car models, including Mercedes E klase, Mercedes Vito
Used also on BMW 1 sērija
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Mercedes C class might be a better choice in this respect.
Dimensions
Length:
4.53 m
4.52 m
Width:
1.73 m
1.82 m
Height:
1.43 m
1.42 m
Mercedes C class is 1 cm longer than the BMW 3 series, 9 cm narrower, while the height of Mercedes C class is 1 cm higher.
Trunk capacity:
no data
460 litres
Trunk max capacity: with rear seats folded down
no data
460 litres
Turning diameter:
10.8 meters
11 meters
The turning circle of the Mercedes C class is 0.2 metres less than that of the BMW 3 series.
Mercedes C class has fewer problems. According to annual technical inspection data BMW 3 series has serious deffects in 10 percent more cases than Mercedes C class, so Mercedes C class quality is probably slightly better