Mercedes C class is more dynamic to drive. Mercedes C class engine produces 55 HP more power than BMW 3 series, whereas torque is 135 NM more than BMW 3 series. Thanks to more power Mercedes C class reaches 100 km/h speed 1.9 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
7.1
5.9
Real fuel consumption:
7.9 l/100km
6.1 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification Mercedes C class consumes 1.2 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 180 litres more fuel. By comparing actual fuel consumption based on user reports, Mercedes C class consumes 1.8 litres more fuel per 100 km than the BMW 3 series.
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
8 years
9 years
Engine spread:
Installed on at least 4 other car models, including Mercedes E klase, Mercedes ML, Mercedes G klase
Used also on BMW 5 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:
4.54 m
4.48 m
Width:
1.73 m
1.74 m
Height:
1.47 m
1.41 m
Mercedes C class is 6 cm longer than the BMW 3 series, 1 cm narrower, while the height of Mercedes C class is 6 cm higher.
Trunk capacity:
no data
435 litres
Turning diameter:
10.8 meters
10 meters
The turning circle of the Mercedes C class is 0.8 metres more than that of the BMW 3 series, which means Mercedes C class can be harder to manoeuvre in tight streets and parking spaces.
Mercedes C class has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for BMW 3 series, so Mercedes C class quality could be a bit better.